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SILICON LABORATORIES Ethernet-DK EMBEDDED ETHERNET DEVELOPMENT KIT USER S GUIDE

1. EN wo 8 82424 5 E eal mie mis 4 5 e Zo 1 gt 2 E m o 4 24 Eh z i E 83 u JN 5 HE lee i z E E B j z a aa Ho 5 TTE me mme mne us id 3 5 II 9 PI TT 851 2 E i pj o N 8j m 1 P t RE us 2 een e 2 E eee E eese zu o E N 3 e 2 5 o 5 P6 5 gt AINO S AINO 2 4 gt VREF 255 5 8 24 814 Qnem 224 828 40858858486 VDD Decoupling gt gt 26 0 5 lt SILICON LABORATORIES Ethernet DK 9 AB4 Ethernet Development Board The Embedded Ethernet Development Kit includes the AB4 Ethernet Development Board designed to connect the C8051F120 or C8051F340 C8051F020 C8051F040 or C8051F060 target board to an ethernet network The ethernet controller used is the CP2200 Refer to Figure 33 for the locations of the various I O connectors SW1 SW2 96 pin Expansion I O connector CP2200 Ethernet Controller RJ 45 Ethernet Connector Input Switches Output LEDs Disconnects SW2 from 1 Disconnects SW1 from 1 Disconnects LED1 from P1 Disconnects LED2 from P1 v INO v E Ethernet Develo
2. SILICON LABORATORIES Ethernet DK 5 Software Setup The included CD ROM contains the Silicon Laboratories IDE Keil C51 toolset and documentation including datasheets application notes and an electronic version of this user s guide The instructions below describe how to install the Embedded Ethernet Development Kit software Refer to the readme txt file on the CD ROM for the IDE release notes containing the latest information regarding supported devices revision history and known issues 1 Place the Embedded Ethernet Development Kit CD ROM into the PC s CD ROM drive An installer will automatically launch allowing you to install the IDE software or read documentation by clicking buttons on the Installation Panel If the installer does not automatically start wnen you insert the CD ROM run autorun exe found in the root directory of the CD ROM 2 After the installation dialogue box appears click the Install Development Tools button 3 Follow the installation prompts to install the development tools The following applications will be installed The Silicon Laboratories IDE will be installed by default in the C SiLabs MCU directory e The Embedded Ethernet examples will be installed by default in the C SiLabs MCU Examples C8051F 12x Ethernet directory e The TCP IP Configuration Wizard will be installed by default the C SiLabs MCU TCP IP Config directory e Shortcuts to the applications w
3. Ethernet DK SILICON LABORATORIES EMBEDDED ETHERNET DEVELOPMENT KIT USER S GUIDE 1 Overview The Embedded Ethernet Development Kit Ethernet DK provides all the hardware and software required to develop real world embedded Ethernet applications using the industry proven CMX Micronet protocol stack and high performance Silicon Laboratories microcontrollers The TCP IP protocol stack is developed specifically for embedded processors and is freely distributed in an easy to use library A TCP IP Configuration Wizard is provided to generate a highly customized library optimized for user selected protocols It also generates the framework code required to use the library and a project file that can be managed in the Silicon Laboratories Integrated Development Environment IDE Additional information about the TCP IP library and Configuration Wizard including a detailed API description can be found in application note AN237 TCP IP Library Programmer s Guide The Embedded Ethernet Development Kit hardware includes C8051F120 Target Board AB4 Ethernet Development Board USB Debug Adapter and all necessary cables to debug the MCU and connect it to an Ethernet network The C8051F120 Target Board features the 100 MIPS 128 kB Flash 8 RAM 8051 based C8051F120 MCU The MCU network interface provided by the 4 board consists of the CP2200 Ethernet controller and an RJ 45 connector with integrated magnetics and LEDs The TCP IP
4. ARP 15 Transport Layer TCP 0 UDP 15 Application Layer L BOOTP L DHCP DNS L FTP HTTP L NETFINDER L SMTP L TFTP System Settings 15 Virtual Files Sockets D SYSCLK Addresses T MAC Addresses gt SILICON LABORATORIES Used Space Free Space Settings Destination IP Address 255 255 255 Source Address 10 10 10 Gateway IP Address 255 255 255 Subnet Mask IP Address 255 255 255 Code Size Rev 0 5 255 163 255 30 KB Figure 8 TCP IP Configuration Wizard Address Specification Ethernet DK 9 Save the selected configuration using the File Save As menu 10 Generate a new project with supporting firmware by selecting Generate Project from the File menu see Figure 9 11 When prompted for a folder to save the project browse to an empty directory or create a new directory Note Any files in the selected directory will be overwritten Click the OK button 12 Click the OK button when the Project generated successfully message appears 13 Close the TCP IP Configuration Wizard TCP IP Configuration Wizard New Reset Options Open Settings Save Save As Destination IP Address Select Project Directory 255 255 255 255 Generate Project Exit Source IP Address MPING 10 10 10 163 ARP 15 Transport Layer Gateway IP Address ie 255 255 255 255 15 Applica
5. selecting Debug Stop from the menu or pressing the shortcut key F4 2 Close the current open project using the Project Close Project menu command 3 Open the web server 3 project using the Project Open Project menu command The web server 2 project workspace is located by default in C SiLabs MCU Examples Ethernet HTTP web server 2 directory 4 Build the project This can be done by clicking on the Build Make Project button in the toolbar selecting Project Build Make Project from the menu or pressing the F7 shortcut key 5 Download the project to the target by clicking the Download Code button Lin the toolbar 6 Run the demo by clicking the Go button in the toolbar selecting Debug gt Go from the menu or pressing the shortcut key F5 amp 20 Rev 0 5 lt SILICON LABORATORIES Ethernet DK 6 3 3 Programming the IP Address Now the MCU will be running the new firmware and blinking the green LED P1 6 to indicate that the IP address has not been programmed In this mode the MCU is waiting for the user to initiate the update by connecting to the serial port and pressing any key to start Figure 25 shows the output seen on a UART terminal screen when the MCU is waiting for user input The following instructions show how to program the IP and MAC addresses 1 Connect the serial port on the 8051 120 Target Board to an available COM port on the PC using a serial cable included in kit If the PC does not
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7. Library includes a built in driver for the CP2200 and has a custom driver interface with auto generated templates to allow drivers for any Ethernet controller to be written The Silicon Labs IDE supports full speed non intrusive MCU debugging and is bundled with an evaluation version of the Keil C51 Toolchain allowing immediate application code evaluation in C Projects with up to 4 kB of object code and unlimited library code can be developed using the included toolset Numerous application code examples are included in the development kit and a walkthrough of an embedded web server demo is included in Section 6 on page 8 C8051FX20 TB www silabs com IC Hee We Ire oo 0 1000000000000 ORS 000000000000 6 00200 00000 00 0 0 67 6 0 6 6 9 e 9 9 H COCOCOCOCOCOCO O X Figure 1 8051 120 Target Board 4 Ethernet Development Board Rev 0 5 6 06 Copyright 2006 by Silicon Laboratories Ethernet DK Ethernet DK 2 Kit Contents The Embedded Ethernet Development Kit contains the following items C8051F 120 Target Board AB4 Ethernet Development Board CAT5e Ethernet Cable Silicon Laboratories Evaluation Kit IDE and Product Information CD ROM CD content includes the following e Silicon Laboratories Integrated Development Environment IDE e Keil C51 Evaluation Toolcha
8. P1 1 C 4 P1 0 A 5 P2 7 B 5 P2 6 C 5 P2 5 A 6 P2 4 B 6 P2 3 C 6 P2 2 A 7 P2 1 B 7 P2 0 C 7 P3 7 A 8 P3 6 B 8 P3 5 C 8 P3 4 A 9 P3 3 B 9 P3 2 9 P3 1 A 10 P3 0 B 10 0 7 10 P0 6 A 11 0 5 11 0 4 11 P0 3 A 12 0 2 12 1 12 0 13 P7 7 B 13 P7 6 13 7 5 14 7 4 14 7 3 14 7 2 15 P7 1 B 15 P7 0 C 15 P6 7 A 16 P6 6 B 16 P6 5 C 16 P6 4 A 17 P6 3 B 17 P6 2 C 17 P6 1 A 18 P6 0 B 18 P5 7 C 18 P5 6 A 19 P5 5 B 19 P5 4 C 19 P5 3 A 20 P5 2 B 20 P5 1 C 20 P5 0 A 21 P4 7 B 21 P4 6 C 21 P4 5 A 22 P4 4 B 22 P4 3 C 22 P4 2 A 23 P4 1 B 23 P4 0 C 23 TMS A 24 TCK B 24 TDI C 24 TDO A 25 25 DGND Digital Gnd C 25 VUNREG A 26 AGND Analog Gnd B 26 DAC1 C 26 DACO A 27 CP1 B 27 CP1 C 27 28 28 VREF 28 VREFD A 29 VREFO B 29 VREF1 C 29 AINO 7 A 30 AINO 6 B 30 AINO 5 C 30 AINO 4 A 31 AINO 3 B 31 AINO 2 C 31 AINO 1 A 32 AINO O B 32 AGND Analog Gnd C 32 AV 3 3 VDC Analog 28 Rev 0 5 gt SILICON LABORATORIES Ethernet DK 9 2 AB4 Board Schematic OND 68 2 2 N3349 4 za 10 Act GAg 04 04 ASL aava 335 X ASL
9. Running the Demo in the Silicon Labs IDE S Rev 0 5 11 SILICON LABORATORIES Ethernet DK 6 1 3 Testing Connectivity Using PING After pressing GO the MCU will be executing the TCP IP stack firmware The LEDs on the RJ 45 Ethernet connector should light up if the MCU is connected to a network Once the network router detects the presence of the embedded system it will be accessible from any PC connected to the same network This usually takes a few seconds but can take over 30 seconds depending on the size of the network The delay is minimized if the embedded system is connected directly to a PC using a crossover cable The PING utility is available on all PCs and allows the user to check if the MCU is responding to network requests The instructions below show how to ping the embedded system 1 Using the Windows Start menu select Start Run 2 When the Run dialog appears type in cmd A black terminal window should appear 3 At the prompt type ping followed by a space and the IP address of the embedded system as shown in Figure 12 Press the Enter key when finished 4 If the PC is able to communicate with the embedded system then ping will report the number of milliseconds it took to receive a reply from the embedded system Otherwise it will report Request timed out Microsoft Windows XP Version 5 1 2600 C WINDOWS System32 cmd exe n x Copyright 1985 2001 Microsoft Corp M gt ping 10 10
10. have a COM port a USB to UART bridge such as the CP210x Evaluation Kit available at www silabs com can be used as a virtual COM port 2 Open a UART terminal on the PC and configure it for 9600 Baud 8 N 1 communication Press any key to continue Press any key to continue Press any key to continue Press any key to continue Press any key to continue Figure 25 Waiting for User Input 3 Once connected you should see the text in Figure 25 appear on the screen Press any key 4 The MCU will prompt you to specify and verify an IP address Figure 26 shows an example of successful programming of the IP address Press any key to continue Press key to continue Enter the IP address eg 10 10 10 163 gt 10 10 10 163 Is 10 10 10 163 correct y IP address successfully programmed Figure 26 Successful Programming of IP Address 5 If programming is successful the green LED on the C8051F 120 Target Board will stop blinking and the web server will start You should now be able to ping the embedded web server or access it from a web browser Note Once programmed the MCU will not prompt for the IP address until the next firmware download To force an IP address update hold the SW2 P3 7 switch the C8051F 120 Target Board down and reset MCU lt 0 5 21 SILICON LABORATORIES Ethernet DK 6 4 Stage 4 Adding Web Server Content In the first three stages of the demo we learned how
11. octet the spacebar right arrow key or can be pressed to advance to the next field Obtain an IP address automatically Use the following IP address IP address 10 10 10 80 Subnet mask 255 255 256 0 Default gateway EET 5m e Click OK after the static IP address and subnet mask have been configured The PC will now be able to access the embedded system using a crossover cable SILICON LABORATORIES Ethernet DK 4 2 Selecting an IP Address for the Embedded System For a PC to recognize an embedded system on a network its IP address and subnet mask need to be configured Below are a few guidelines to follow when choosing an IP address for the embedded system Figure 6 shows an example of a compatible PC and embedded system IP address combination 1 Find the IP address and Subnet mask for the PC If a Default Gateway is specified then save this address for later use If you are using a crossover cable you may choose any IP address for your PC as long as the Subnet mask allows it to recognize the embedded system 2 The IP address chosen for the embedded system must match the PC s IP address in all bit locations where the Subnet mask is a 1 in order for the PC to recognize the embedded system Otherwise the PC will send it s request outside the local network 3 Do not duplicate IP addresses or select a broadcast address An IP address is considered a broadcast address if all bits whi
12. zero ohm resistor on the F12x Target Board m Updated the supported protocols in the Appendix m Updated screenshots for Version 3 1 of the TCP IP Configuration Wizard Revision 0 4 to Revision 0 5 m Removed Section 10 USB Debug Adapter See USB Debug Adapter User s Guide amp 32 Rev 0 5 e SILICON LABORATORIES Ethernet DK NOTES gt SILICON LABORATORIES Rev 0 5 33 Ethernet DK CONTACT INFORMATION Silicon Laboratories Inc 4635 Boston Lane Austin TX 78735 Email MCUinfo silabs com Internet www silabs com The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice Silicon Laboratories assumes no responsibility for errors and omissions and disclaims responsibility for any consequences resulting from the use of information included herein Additionally Silicon Laboratories assumes no responsibility for the functioning of undescribed features or parameters Silicon Laboratories reserves the right to make changes without further notice Silicon Laboratories makes no warranty rep resentation or guarantee regarding the suitability of its products for any particular purpose nor does Silicon Laboratories assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation conse quential or incidental damages Silicon Labora
13. 10 163_ Figure 12 Pinging the Embedded System 6 1 4 Accessing the Embedded System using a Web Browser Once the ping utility is able to receive a reply from the embedded system the embedded system is now ready to be accessed from a web browser The instructions below show how to access the embedded HTTP web server 1 Open an instance of your favorite web browser 2 Type in the IP address of the embedded system and press Enter A web page stored inside the MCU should be displayed on the screen as shown in Figure 13 Hello World Microsoft Internet Explorer CJ a3 File Edit View Favorites Tools Help ay Address http 10 10 10 163 Hello World This page is served from a C8051F12x and uses the Silicon Laboratories TCP IP stack d My Computer Figure 13 Embedded Web Server amp 12 Rev 0 5 s SILICON LABORATORIES Ethernet DK 6 2 Stage 2 Basic Web Server with DHCP and Netfinder Capability In the first stage of the demo we learned how to generate firmware for an embedded web server using the TCP IP Configuration Wizard and access the embedded server from a web browser In this stage we will learn how to generate a web server that uses automatic network configuration DHCP to automatically obtain an IP address from the network We will also find the embedded web server on the network using the Netfinder utility 6 2 1 Generating the Embedded Web Server Firmware We will n
14. 804 3Hl N33M138 NOIIN31NOO 1N3A3Nd 01 INIL N3AID ANY 1Y N3AING 38 GINOHS SNid 3Hl 30 AINO SNid 140d 01 03103NNOO 51 915 0904 ONY 0013 03 0204 803 310N Ltd sd sd 59 Old 158 2 0d t zd ANI vvd Ctd wed 101 ld Ved 2 5 D Orci 0904 0213 0v03 0004 3NVN TWNOIS ENIN 1S0H LMS zan ev 9v ta va 4 VY Nid 96 lm dOd ON 29 Rev 0 5 LABORATORIES SILICON Ethernet DK 10 Silicon Laboratories IDE Integrated Development Environment The Silicon Laboratories IDE integrates a source code editor source level debugger and in system Flash programmer The use of third party compilers and assemblers is also supported This development kit includes the Keil Software A51 macro assembler BL51 linker and evaluation version of the C51 compiler These tools can be used from within the Silicon Laboratories IDE 10 1 System Requirements The Silicon Laboratories IDE requirements Pentium class host PC running Microsoft Windows 2000 or later One available USB port m 64 RAM and 40 MB free HD space recommended 10 2 Assembler and Linker A full version Keil A51 macro assembler and BL51 banking linker are included with the development
15. S Ethernet DK Save the selected configuration using the File Save As menu Generate a new project with supporting firmware by selecting Generate Project from the File menu see Figure 9 Note Any files in the selected directory will be overwritten Click the OK button Click the OK button when the Project generated successfully message appears Close the TCP IP Configuration Wizard TCP IP Configuration Wizard New Reset Options Open Save Device Name Save As Netfinder Device Name Select Project Directory Generate Project Tex Description Exit Enter Text Description M ARP 15 Transport Layer Definition of Event 1 ee Time Powered v 15 Application Layer BOOTP Definition of Event 2 DHCP Time on Network DNS O SMTP O TFTP System Settings 15 Virtual Files Code Size 09 Sockets D SYSCLK Used Space 37 T IP 91 KB T MAC Addresses J Free Space Settings Figure 15 TCP IP Configuration Wizard Project Generation When prompted for a folder to save the project browse to an empty directory or create a new directory 14 Rev 0 5 SILICON LABORATORIES Ethernet DK 6 2 2 Programming the MCU We will now build the project created by the TCP IP Configuration Wizard and download the firmware to the MCU using the Silicon Laboratories IDE 1 Download the project to the target by clicking t
16. S Ethernet DK APPENDIX SUPPORTED PROTOCOLS Link Physical Layer Ethernet IEEE802 3 Widely installed local area network link physical layer Internet Layer IP Internet Protocol IP specifies the format of packets and manages the addressing of all devices on the network IP is included in all builds of the TCP IP stack PING Packet Internet Groper PING is a basic network program which verifies that a particular IP address exists and can respond to requests PING is included in all builds of the TCP IP stack ARP Address Resolution Protocol ARP converts higher level IP addresses to lower level MAC addresses It is not available with SLIP or PPP Transport Layer TCP Transmission Control Protocol TCP is a connection oriented transport protocol It offers a reliable full duplex data stream that may be written to and read from by devices on the network UDP User Datagram Protocol UDP is a connection free best effort transport protocol It formats data into units called datagrams and sends them across the network however it provides no guarantee that the data will arrive A UDP checksum is performed on the data to allow the receiving node the ability to detect data errors Application Layer DHCP Dynamic Host Configuration Protocol Used to obtain a dynamic IP address from a DHCP server BOOTP Bootstrap Protocol Older protocol used to obtain a dynamic IP address FTP File Transfer Protocol F
17. TP transfers a complete file from one network device to another FTP requires the TCP transport layer The FTP module in the TCP IP stack configures the device to operate as an FTP server only It cannot act as an FTP client HTTP HyperText Transfer Protocol HTTP sends and requests files typically HTML files across a network It is commonly used to transfer files across the World Wide Web HTTP requires the TCP transport layer The HTTP module in the TCP IP stack configures the device to operate as an HTTP server only It cannot act as an HTTP client or browser SMTP Simple Mail Transfer Protocol SMTP sends and receives e mails It requires the TCP transport layer The SMTP module in the TCP IP stack can only act as an SMTP client An SMTP server must be available on the network to forward emails from the Ethernet DK to the specified e mail address TFTP Trivial File Transfer Protocol TFTP is a simplified version of FTP It requires the UDP transport layer The TFTP module in the TCP IP stack can only act as a TFTP client It cannot act as a TFTP server DNS Domain Name Service Allows domain name e g www silabs com to be resolved into an equivalent IP address Netfinder Allows an embedded system to be identified on a network amp e 9 Rev 0 5 31 SILICON LABORATORIES Ethernet DK DOCUMENT CHANGE LIST Revision 0 3 to Revision 0 4 m Added Netfinder Example m Added note that R1 should be shorted with a
18. ay experi Dedicated channel bandwidth Good for achieving ence packet delays under heavy network traffic This consistent data throughput measurements effect is greatly reduced if using a switched network An existing network with wall outlet or a router switch is No additional hardware required required PC does not require any additional IP address configura PC must be configured with a static IP address in tion order to recognize embedded system Standard cable is included in development kit Crossover cable must be purchased separately Embedded Ethernet Ethernet Router Development Kit 4 F120TB ABA hernet Ethernet Connector Ethernet Cable Connector Figure 4 Embedded Ethernet Network Connection Standard Cable Embedded Ethernet Development Kit F120TB AB4 Ethernet Crossover Cable Ethernet Ethernet Connector Connector Figure 5 Embedded Ethernet Network Connection Crossover Cable 4 Rev 0 5 s SILICON LABORATORIES Ethernet DK 4 1 Network Setup Procedure If using a standard cable 1 Connect the 4 Ethernet Development Board to an Ethernet wall outlet or to a router switch using standard Ethernet cable 2 Connect a PC to the same Ethernet network using a standard Ethernet cable If using a crossover cable 1 Connect the 4 Ethernet Development Board directly to a PC using an Ethernet crossover cable 2 C
19. ch are 0 in the Subnet mask 1 in the IP address Broadcast addresses with additional 1s such as 10 10 255 255 Figure 6 can be broadcast to nodes outside the local network 4 The address 255 255 255 255 is known as the Ethernet broadcast address and is used when the Subnet mask for the network is not known Any packet transmitted to this address will reach all nodes on the local network but cannot go further than the nearest router 4 3 IP Address Selection Example The example in Figure 6 shows the IP address and subnet mask of the PC we want to connect to the embedded system Since the first 24 bits of the subnet mask are 1 the first 24 bits of the embedded web server s IP address shown in bold must match the PC s IP address Only the least significant 8 bits may vary making the valid range of IP addresses for the embedded web server 10 10 10 0 to 10 10 10 254 with the exception of 10 10 10 80 since this address is already taken by the PC 10 10 10 255 is reserved because it is the broadcast address for this network PC IP Address 10 10 10 80 decimal 0000 1010 0000 1010 0000 1010 0101 0000 binary PC Subnet Mask 255 255 255 0 decimal 1111 1111 1111 1111 1111 1111 0000 0000 Embedded Web Server IP Address 10 10 10 163 decimal 0000 1010 0000 1010 0000 1010 1010 0011 Figure 6 Address Selection Example 6 Rev 0 5 S
20. dd Groups to Project sys A semble Compile File Ctri F7 Build Make Project Alt M F7 ili Rebuild Project Ctrl Shift F7 New Project Open Project Save Project Save Project As Figure 10 Opening a Project in the Silicon Labs IDE If you would like to view the source code double click on main c on the left hand side of the screen Source code modification is not required to run this demo Build the project This can be done by clicking on the Build Make Project button in the toolbar selecting Project gt Build Make Project from the menu or pressing the F7 shortcut key Click the Connect button in the toolbar or select Debug Connect from the menu Note If you receive the error message Communication could not be established with the specified serial adapter open the Connection Options Dialog by selecting Options Connection Options from the menu Verify that the USB Debug Adapter is selected and that the debug interface is set to JTAG Download the project to the target by clicking the Download Code button l in the toolbar Run the demo by clicking the Go button in the toolbar see Figure 11 selecting Debug Go from the menu pressing the shortcut key F5 Silicon Laboratories IDE Edit View Project Debug Tools Options Window Help mais 55504 xi ga TCPIP_Project Header Files mn_defs h mn emsh Figure 11
21. e yellow area and pressing the Web Browser quick launch button as shown in Figure 23 gu Netfinder v1 0 Show MAC Address Show Time Powered v Show Time on Network Sort By Unsorted Zi OK Cancel Configure Bootloader Figure 23 Web Browser Quick Launch Button In Static IP Address Mode amp 18 Rev 0 5 s SILICON LABORATORIES Ethernet DK 9 The default web browser should launch and display the home page served by the embedded web server The same result can be achieved by typing the IP address of the embedded web server into the address bar of a web browser Figure 24 shows a screenshot of the uWeb v2 0 home page i File Edit View Favorites Tools Help Address http 10 10 10 163 Hello World This page is served from a C8051F12x and uses the Silicon Laboratories TCP IP stack Done My Computer Figure 24 Hello World Web Page s Rev 0 5 SILICON LARO RATORIES 19 Ethernet DK 6 3 Stage 3 Configuring MAC and IP Addresses over the Serial Port In the first two stages of the demo we learned how to generate firmware for an embedded web server using the TCP IP Configuration Wizard and access the embedded server from a web browser In this stage we will learn how to dynamically configure the IP address over the serial port 6 3 1 Configuring the Target Board Jumpers for UART communication To enable UART communication on
22. es the full version of the Keil C51 compiler to build the project A HEX file containing the firmware object code is available for users who do not have the full version of the Keil C51 compiler See Section 6 on page 8 for additional information about the HTTP examples 7 2 SMTP Mail Client The SMTP Mail Client example shows how to send an e mail from the embedded system When run the example will send two e mails to the SMTP server specified by SMTP ADDR in mn userconst h This address should be set to the address of the SMTP server on the network Ask your network administrator for the IP address of the SMTP server on your network Once the e mails are received by the mail server they are forwarded to e mail addresses specified by to in main c The messages can be received by the PC by opening a mail program such as Outlook One e mail will be text based and the other will have a text file attachment The SMTP example is located by default in the C SiLabs MCU Examples C8051F 12x Ethernet SMTP directory The example can be opened by opening the project file SMTP wsp in the Silicon Laboratories IDE 7 3 TCP Echo Client Server The TCP Echo Client Server example shows how to send and receive data using a low level TCP socket The same example file can configure the MCU as a client or server based on the value of SERVER MODE in main c Set SERVER MODE to 1 for server or 0 for client In client mode
23. et DHCP and C8051F 12x Ethernet BOOTP folders respectively These servers dynamically obtain their IP address information from a DHCP or BOOTP server 24 Rev 0 5 S SILICON LABORATORIES Ethernet DK 8 C8051F120 Target Board The Embedded Ethernet Development Kit includes a target board with a C8051F120 device pre installed for evaluation and software development Numerous input output I O connections are provided to facilitate prototyping using the target board Refer to Figure 31 for the locations of the various I O connectors For further details see the C8051F 12x Development Kit User s Guide located on the kit CD or installed by default in the C SiLabs MCU Documentation Users Guides directory P1 Power connector accepts input from 7 to 15 VDC unregulated power adapter J1 Connects SW2 to P3 7 pin J3 Connects LED D3 to P1 6 pin J4 JTAG connector for Debug Adapter interface J5 DB 9 connector for UARTO RS232 interface J6 Connector for UARTO TX P0 0 J8 Connector for UARTO RTS P4 0 J9 Connector for UARTO RX P0 1 J10 Connector for UARTO CTS 4 1 J11 Analog loopback connector J12 J19 Port 0 7 connectors J20 Analog I O terminal block J22 VREF connector J23 VDD Monitor Disable J24 96 pin Expansion connector R1 Current Limiting Resistor For 96 pin Interface Note R1 should be shorted with a zero ohm resistor if the F120TB is providing power to the Port 5 Port 6 Port 3 P
24. he Download Code button Run the demo by clicking the Go button in the toolbar see Figure 11 selecting Debug gt Go from the menu or From the Windows Start menu start the Silicon Laboratories IDE The shortcut will be under the Start Silicon Laboratories menu Alternatively the Silicon Labs IDE be started by double clicking IDE exe located by default in the C SiLabs MCU directory After the splash screen disappears open the generated project using the Project 5 Open Project menu command Browse to the directory where the TCP IP project was generated Select TCPIP Project wsp and click the Open button Note An example project is available by default in the C Silabs MCU Examples C8051F 12x Ethernet HTTP web server 2 directory This project is identical to the one generated in the previous steps Project Debug Tools Options Window Help Add Files to Project ip oo 45 a5 ET E 7 Add Groups to Project Assemble Compile File Alt A Ctrl F7 Build Make Project Alt M F7 ili Rebuild Project Ctrl Shift F7 x New Project Save Project Save Project As Figure 16 Opening a Project in the Silicon Labs IDE If you would like to view the source code double click on main c on the left hand side of the screen Source code modification is not required to run this demo Build the project This can be done by clicking on the Build Make Project button in the
25. he device by clicking inside the yellow area and pressing the Assign IP button as shown in Figure 21 2 v1 0 Show Address Show Time Powered Show Time on Network Sort By Unsorted M OK Cancel Assign Quick Launch Web Browser Hyperterminal Bootloader Figure 21 Static IP Address Mode s Rev 0 5 17 SILICON LABORATORIES Ethernet DK 6 Enter the IP address subnet mask and default gateway if known into the Assign IP Address dialog and press OK See Appendix A for information on how to configure the PC with a static IP address and how to select a static IP address for the CP2201EB A windows command line window should appear ping the device at its new address then close Programming is successful when the progress bar stops and gives the message Success Device Programmed as shown in Figure 22 Show Time Powered Show Time on Network Sort By Unsorted Bi M Show MAC Address Cancel Assign IP Address IP Address Configure Cancel Subnet Mask Assign IP Default Gateway Search Reload Timer Close this window ong Success Device Programmed Quick Launch Web Browser Hyperterminal Bootloader Figure 22 Assign IP Address Dialog 7 Close the Assign IP Address dialog then press Search to refresh the Netfinder screen 8 Select the device by clicking inside th
26. he method in Section 6 3 3 on page 21 4 Type in the IP address of the embedded system in a web browser and press Enter The uWeb server executing on the MCU should be displayed on the screen as shown in Figure 30 s http 10 10 10 163 8 co uWeb Menu 1 View Cu LED CONTROL J The LED is ON runieaort TEMPERATURE SENSOR CALIBRATION This server is running on 8051 120 and uses CMX Micronet x T SYSTEMS SILICON LABORATORIES 5228 Done Local intranet Figure 30 uWeb Embedded Web Server amp S Rev 0 5 23 SILICON LABORATORIES Ethernet DK 7 Example Source Code The Embedded Ethernet Development Kit includes example source code libraries and register definition files for all MCU devices These examples are installed by default in the C SiLabs MCU Examples directory during IDE installation Inside this directory an Ethernet folder is included within each device family directory supported by the TCP IP Configuration Wizard Each of the examples is described below T 1 HTTP Web Server Three HTTP Web Server examples are included by default in the C SiLabs MCU Examples C8051F12x Ethernet HTTP directory These are the same examples used in the Embedded Ethernet Demo The first two examples web server 1 and web server 2 are under 4 kB and can be compiled using the evaluation version of the Keil C51 compiler The uWeb server example is larger than 4 kB and requir
27. i Port 5 Port 6 Port 3 LEO Port 4 Port 7 Port 1 Pin 2 222051219 2 200 423 woven 0 8051 120 J21 J1 Target Board Pin 2 Pin 2 J4 dn 2 Ethernet Development Board CP2200 Prototyping JTAG USB Debug Adapter Ethernet C8051F120 Development lt Board Target Board USB Port AC DC Adapter Figure 3 Embedded Ethernet Development Kit Debug Connections lt Rev 0 5 3 SILICON LABORATORIES Ethernet DK 4 Network Setup The Embedded Ethernet Development Kit can be connected to an Ethernet network using a standard Ethernet cable see Figure 4 or directly to a PC using a crossover cable see Figure 5 Table 1 describes the benefits of using each of the connection methods A standard Ethernet cable is included in the kit and crossover cables are available for order from the Silicon Laboratories website at www silabs com Table 1 Ethernet Cable Comparison Standard Cable Crossover Cable Remote access to embedded system Distance from PC to embedded system is limited by the length of the cable Multiple embedded systems may be networked and Only a single embedded system may be accessed accessed from the same or multiple PC s from a single PC Shared communication medium System m
28. ill be placed in the Start Programs menu amp e 9 Rev 0 5 7 SILICON LABORATORIES Ethernet DK 6 Embedded Ethernet Tutorial Now that the Embedded Ethernet Development Kit hardware has been set up the software installed and the embedded system connected to a network it is time to download firmware into the MCU and test its network connectivity The Embedded Ethernet Tutorial consists of four stages of increasing functionality and will allow the user to quickly learn how to use the development kit hardware and software 6 1 Stage 1 Basic Web Server In the first demo stage we will generate a Hello World web server with a single static web page using the TCP IP Configuration Wizard We will learn how to PING the embedded web server and view the page in a web browser 6 1 1 Generating a Project using the TCP IP Configuration Wizard The instructions below show how to generate a new project using the TCP IP Configuration Wizard 1 EJ TCP IP Configuration Wizard File Help T Link Physical Layer Ethernet O PPP O PAP 0 SLIP 15 Internet Layer IP PING ARP 15 Transport Layer TCP 0 UDP 15 Application Layer L BOOTP O DHCP L DNS 0 NETFINDER O SMTP O TFTP System Settings 1 Virtual Files 09 Sockets D SYSCLK T IP Addresses T MAC Addresses From the Windows Start menu start the TCP IP Configuration Wizard The shortcut will be under the Start Silicon Laboratories me
29. in assembler linker and C compiler with 4 kB object code generation and unlimited library code usage e Source code examples and register definition files e Documentation e TCP IP Configuration Wizard e Embedded Ethernet Development Kit User s Guide this document Universal 100 240 V 50 60 Hz AC to DC Power Adapter USB Debug Adapter USB to JTAG C2 Debug Interface USB Cable Serial Cable 2 Rev 0 5 S SILICON LABORATORIES Ethernet DK 3 Hardware Setup The following instructions illustrate how to setup the hardware included with the kit 1 Connect the AB4 Ethernet Development Board to the C8051F120 Target Board at J24 Figure 2 Apply slight pressure to ensure the mating 96 pin connectors are firmly connected 2 Using the ribbon cable connect the USB Debug Adapter to the C8051F120 Target Board at the JTAG header 3 Connect one end of the provided USB cable to any available USB port on the PC 4 Connect the other end of the USB cable into the USB connector on the USB Debug Adapter 5 Connect the ac dc Power Adapter to the C8051F120 Target Board at P1 This connection should power both boards Power is indicated by the PWR LED Note The F120TB places a 2 resistor in series with the power supply net powering the AB4 Board We recom mend replacing this resistor with a 0 Q resistor to prevent large voltage drops possibly triggering a Vpp Monitor reset when current demand increases eis piii ii
30. kit and are installed during IDE installation The complete assembler and linker reference manual A51 pdf can be found on line under the Help menu the IDE or in the SiLabs WCU hip directory 10 3 Evaluation C51 C Compiler An evaluation version of the Keil C51 C compiler is included with the development kit and is installed during IDE installation The evaluation version of the C51 compiler is the same as the full professional version except code size is limited to 4 and the floating point library is not included The TCP IP Library object code does not count against the 4 kB code size limit The C51 compiler reference manual C51 pdf can be found under the Help menu in the IDE or in the SiLabs MCU hIp directory 10 4 Using the Keil Software 8051 Tools with the Silicon Laboratories IDE The default configuration of the Keil 8051 tools when using the Silicon Laboratories IDE project manager enables object extensions debug record generation and uses the OMF 51 format This is required for source level debugging The Silicon Labs IDE also allows the Keil 8051 tools to be called directly from the command line using a batch file Refer to Application Note AN104 Integrating Keil 8051 Tools Into the Silicon Labs IDE in the SiLabs MCU Documentation Appnotes directory on the CD ROM for additional information on using the Keil 8051 tools with the Silicon Laboratories IDE amp 30 Rev 0 5 e 9 SILICON LABORATORIE
31. nu Alternatively the Configuration Wizard can be started by double clicking TCPIP Config exe located by default in the C SiLabs MCU TCP IP Config directory In the Communications Adapter section of the left window check CP2200 In the Device section of the left window verify that C8051F12x is selected In the Protocol Settings section of the left window make sure Ethernet is selected then check HTTP The lower level protocols required to run HTTP e g TCP will automatically be enabled see Figure 7 Settings Size of HTTP buffer bytes 512 Number of post functions 1 Size of URI buffer bytes 52 Size of HTTP POST request buffer bytes 52 Code Size Used Space 30 KB Free Space pe Figure 7 TCP IP Configuration Wizard Protocol Selection amp Rev 0 5 s SILICON LABORATORIES Ethernet DK 5 In the System Settings section of the left window select IP Addresses 6 In the right window set the Source IP Address to the IP address of the embedded system 7 lf the Gateway IP Address and Subnet mask of the network are known then fill in the addresses on the right window see Figure 8 8 If using the CP2200 the MAC address field is ignored The CP2200 Ethernet Controller contains a unique factory programmed MAC address stored in Flash memory 2 TCP IP Configuration Wizard Ts Link Physical Layer Ethernet O PPP SLIP 15 Internet Layer M PING
32. o step 5 3 Select the embedded system by clicking anywhere inside the green area After the black border appears press the Web Browser Quick Launch Button Netfinder v1 0 Show MAC Address v Show Time Powered v Show Time on Network Sort By Unsorted Configure Assign Search a lt Hyperterminal Bootloader Figure 19 Web Browser Quick Launch Button 16 Rev 0 5 s SILICON LABORATORIES Ethernet DK 4 The default web browser should launch and display the home page served by the embedded web server The same result can be achieved by typing the IP address of the embedded web server into the address bar of a web browser Figure 20 shows a screenshot of the home page Now go directly to Section 6 3 Stage 3 Configuring MAC and IP Addresses over the Serial Port on page 20 Hello World Microsoft Internet Explorer max File Edit View Favorites Tools Help ay i Address http 10 10 10 163 Go Hello World This page is served from a C8051F12x and uses the Silicon Laboratories TCP IP stack My Computer Figure 20 Hello World Web Page 5 If the network does not have a DHCP server then the embedded system will search for approximately 35 seconds before going into static IP address mode After going into static IP address mode Netfinder will display information about the device in a window with a yellow background Select t
33. onfigure the PC to have a static IP address The steps below show how to configure a Windows PC to use a static IP address Open the Network Connections Folder This is accessible from the control panel or from the start menu by right clicking on My Network Places and selecting Properties b Right click on the Local Area Connection and select Properties c Select Internet Protocol TCP IP and click Properties Optionally if the Show icon in notification area when connected is checked right clicking the system tray icon will provide a quick shortcut to the LAN properties dialog and can be used as an indicator that the network is functioning properly Intemet Protocol TCP IP Popes Description Transmission Control Protocol Intemet Protocol The default wide area network protocol that provides communication across diverse interconnected networks Show icon in notification area when connected d Select Use the following IP address and specify an IP address and subnet mask for the PC For a subnet mask of 255 255 255 0 the embedded system s IP address must match the first three octets of the PC s IP address for the PC to recognize the embedded system See Section 4 2 for additional information about choosing the embedded system s IP address Note When entering an IP or subnet address into the dialog box the cursor will automatically advance to the next field for a three digit octet If entering a one or two digit
34. ontent is added to the project in the form of file arrays unsigned character arrays initialized to the binary representation of the file The HTML2C utility reads any file HTML images executable binary files etc and generates two files original filename h and original_filename c that can be added to the project HTML2C can be accessed several ways including m Drag and drop Web server content dropped on HTML2C will initiate a conversion m File Open command from GUI HTML2C has a graphical user interface to start conversions m BatchFile The update bat batch file in the VFILE folder can be used to automate the conversion process If additional content is added to the server the batch file can be updated as shown in Figure 28 update bat Notepad _ File Edit Format View Help html2c exe index html html2c exe second page html html2c exe image jpg Figure 28 Automating the Conversion Using a Batch File 22 Rev 0 5 s SILICON LABORATORIES Ethernet DK 6 4 3 Re Building the Project and Viewing Results Once the file arrays are updated it is time to re build the project and view the results 1 Re build the project This can be done by clicking on the Build Make Project button in the toolbar selecting Project Build Make Project from the menu or pressing the F7 shortcut key 2 Download the project to the target by clicking the Download Code button Lin the toolbar 3 Run the se
35. ort 4 Port 7 Port 1 J10J8 J6 J9 A Port 0 1 Port 2 J3 Pin 1 Pin 1 423 P3 7 RESET Pin 2 Pin 1 Figure 31 C8051F120 Target Board amp S Rev 0 5 25 SILICON LABORATORIES Ethernet DK 8 1 8051 120 Target Board Schematic n g 99990909 s TTL e ees STS yay 4 x p 8 i ask 8 zS is E a 83 Bae 8 o 2 50 3 0 80 8 5 4 35 g BOB sl s 5 8 8 a 8 8 2 5 OVW I 8 8 8 5 o 3 m 6 LED 03 02 dc 2 AP fes 1 i 5 S us Pe m Pi E 1 p24 P2 5 7 P2 7 419540 XTAL2 350
36. ow use the TCP IP Configuration Wizard to generate a project with DHCP and Netfinder capability 1 From the Windows Start menu start the TCP IP Configuration Wizard The shortcut will be under the Start Silicon Laboratories menu Alternatively the Configuration Wizard can be started by double clicking TCPIP_Config exe located by default in the C SiLabs MCU TCP IP Config directory 2 In the Communications Adapter section of the left window check CP2200 3 In the Device section of the left window verify that C8051F12x is selected 4 In the Protocol Settings section of the left window make sure Ethernet is selected then check DHCH HTTP and NETFINDER The lower level protocols TCP and UDP will automatically be enabled as shown in Figure 14 2 TCP IP Configuration Wizard File Help T Link Physical Layer Settings Ethemet Device Name PAP Netfinder Device Name O SUP Ts Internet Layer IP PING Enter Text Description ARP T Transport Layer Definition of Event 1 TCP Time Powered UDP 15 Application Layer BOOTP Definition of Event 2 DHCP Time on Network DNS SMTP O TFTP i System Settings 15 virtual Files Code Size 09 Sockets SYSCLK Used Space 37 KB Addresses 91 KB T Addresses 3 Free Space Text Description Figure 14 TCP IP Configuration Wizard Protocol Selection S Rev 0 5 13 SILICON LABORATORIE
37. pment Board Figure 33 4 Ethernet Development Board The Ethernet development board is compatible with multiple MCU development boards that contain a 96 pin connector Table 2 maps select signals on the 4 board to the corresponding MCU port pin s Table 2 Board Signals 4 Signal Name F020 F040 amp F120 F060 F340 SW1 2 0 4 1 2 0 1 1 SW2 P2 1 P4 2 P2 1 P1 2 LED1 P2 2 P4 3 P2 2 P1 3 LED2 P2 3 P4 4 P2 3 1 4 2 4 0 3 2 4 0 3 P0 3 RST P4 5 P4 5 P1 0 A15 CS P5 7 P5 7 P2 7 lt gt SILICON LARD RATORIES 0 5 27 Ethernet DK 9 1 Expansion I O Connector J1 The 96 pin expansion I O connector J1 is used to connect the Ethernet Development Board to the 8051 120 Target Board J1 provides access to many C8051F120 signal pins Pins for 3 V digital ground analog ground and the unregulated power supply VUNREG are also available The VUNREG pin is connected directly to the unregulated V pin of the P1 power connector on the C8051F120 Target Board See Table 3 for a complete list of pins available at J1 Table 3 J1 Pin Descriptions Pin Description Pin Description Pin Description A 1 3 VD2 3 3 VDC B 1 DGND Digital Gnd C 1 XTAL1 A 2 MONEN B 2 P1 7 C 2 P1 6 A 3 P1 5 B 3 P1 4 C 3 P1 3 A 4 P1 2 B 4
38. rver by clicking the Go button in the toolbar selecting Debug gt Go from the menu or pressing the shortcut key F5 4 View the embedded web server from a web browser using the same methods learned in stage 1 or stage 2 5 The updated web page stored inside the MCU should be displayed on the screen as shown in Figure 29 amp Hello World Microsoft Internet Explorer BAX File Edit View Favorites Tools Help http 10 10 10 163 E co Hello World This web page has been modified Done My Computer Figure 29 Embedded Web Server with Modified Content 6 4 4 Viewing the uWeb Embedded Web Server The Hello World server used in the demo up to this point contains a single static web page Another example server included as HEX file in the Examples C8051F12x Ethernet HTTP uWeb folder is the uWeb server This embedded web server contains multiple HTML pages images a Java temperature display applet and CGI script capabilities allowing the detection and control of an LED state This server demonstrates some of the capabilities of the Silicon Laboratories TCP IP stack The following instructions can be used to download the uWeb server 1 While connected to the C8051F 120 Target Board select Debug Download Object Code from the menu 2 Browse to the Examples C8051F12x Ethernet HTTP uWeb folder Select the uWeb F120 3 hex and click Download 3 Program the IP address using t
39. the C8051F120 Target Board jumpers J6 and J9 must be shorted See Figure 31 for the location of J6 and J9 6 3 2 Modifying the Firmware to Enable the Serial Port The simple web server firmware generated by the TCP IP Configuration Wizard does not support configuring the IP address over the serial port In order to configure the MCU using the serial port the firmware must be modified The web server 3 project in the examples folder has been created to demonstrate an example of configuration using the serial port The following list outlines the functionality that has been added to web server 3 VDD Monitor is enabled as a reset source because firmware needs to write erase Flash memory UART 1 Initialization routine uses Timer 1 for baud rate generation UARTI is assigned to P0 0 and 1 the Crossbar The stdio h header file is included to allow use of string formatting functions such as printf The ipconfig routine is used to configure the MAC address The global jp address 4 variables is added in the Scratchpad area of Flash to store the programmed Address The Scratchpad area is used to store the variable because it can be erased and re written without interfering with program code m The global first time variable is stored in Flash to keep track of whether the IP address has been programmed The following instructions show how to load the web server 3 project 1 Halt the MCU by clicking the Stop button in the toolbar
40. the embedded system sends a string to a TCP Echo server then waits for the string to be received Once the string is received from the server the embedded system repeats the process The TCP Echo server application SVR exe should be started on the PC prior to running code on the embedded system In server mode the embedded system waits for strings to be sent from the PC client application TCP_CLI exe and echoes them back to the PC The C8051F120 Echo server should be started prior to starting the PC application The PC client application is started with the following syntax CLI 10 10 10 163 where 10 10 10 163 is the IP Address of the embedded echo server The TCP Echo Client Server example is located by default in the C SiLabs MCU Examples C8051F12x Ethernet TCP directory The example be opened by opening the project file TCP wsp in the Silicon Laboratories IDE 7 4 UDP Echo Client Server The UDP Echo Client Server example shows how to send and receive data using low level UDP socket This example is identical to the TCP example except data is sent in UDP packets The UDP Echo Client Server example is located by default in the C SiLabs MCU Examples C8051F 12x Ethernet UDP directory The example can be opened by opening the project file UDP wsp in the Silicon Laboratories IDE 7 5 DHCP BOOTP Examples Two web server examples using DHCP and BOOTP are provided in the C8051F12x Ethern
41. tion Layer BOOTP Subnet Mask IP Address 0 DHCP 255 255 255 O DNS NETFINDER O SMTP O TFTP System Settings T Virtual Files Code Size Sockets SYSCLK Used Space 30 KB raiP Addresses 98 T MAC Addresses RF Free Space Figure 9 TCP IP Configuration Wizard Project Generation 10 Rev 0 5 gt SILICON LABORATORIES Ethernet DK 6 1 2 Programming the MCU We will now build the project created by the TCP IP Configuration Wizard and download the firmware to the MCU using the Silicon Laboratories IDE 1 w gt From the Windows Start menu start the Silicon Laboratories IDE The shortcut will be under the Start Silicon Laboratories menu Alternatively the Silicon Labs IDE can be started by double clicking IDE exe located by default the C SiLabs MCU directory After the splash screen disappears open the generated project using the Project 5 Open Project menu command Browse to the directory where the TCP IP project was generated Select TCPIP Project wsp and click the Open button Note An example project is available by default in the C Silabs MCU Examples C8051F 12x Ethernet HTTP web server 1 directory This project is identical to the one generated in the previous steps Silicon Laboratories IDE File Edit View Project Debug Tools Options Window Help y Add Files to Project A
42. to make an embedded web server find it on the network using Netfinder and program its IP over the serial port In this stage we will learn how to change the HTML content on the server and see an example of an embedded temperature sensing web server uWeb that graphs temperature and controls an LED 6 4 1 Modifying the Source HTML Content The following instructions show how to modify the HTML content in the web server You may use the example in stage 1 or the example in stage 2 as a starting point We will start by modifying the main web page index html 1 In the VFILE subdirectory of the main project folder open index html in a text editor e g Notepad Any of the projects generated earlier can be used for this stage of the demo 2 Modify the HTML source to make the web page noticeably different This can include changing the background color or the text Figure 27 shows the text changed to This web page has been modified Save the HTML source file when done 9 index html Notepad ole File Edit Format View Help html la lt head gt lt title gt Hello world lt title gt lt head gt lt body pagel i text white link yellow vlink red alink blue gt lt hi gt Hello World lt hi gt lt br gt lt br gt lt B gt This web page has been modified lt B gt lt html gt Figure 27 Modifying the HTML Source 6 4 2 Updating the File Arrays using HTML2C All web server c
43. toolbar selecting Project Build Make Project from the menu or pressing the F7 shortcut key Click the Connect button in the toolbar or select Debug Connect from the menu Note If you receive the error message Communication could not be established with the specified serial adapter open the Connection Options Dialog by selecting Options Connection Options from the menu Verify that the USB Debug Adapter is selected and that the debug interface is set to JTAG 4 in the toolbar pressing the shortcut key F5 Silicon Laboratories IDE Eile Edit View Project Debug Tools Options Window Help 2 masc e RRP sem xl El 8 TCPIP Project Header Files mn defs h mn emsh Figure 17 Running the Demo in the Silicon Labs IDE S Rev 0 5 15 SILICON LABORATORIES Ethernet DK 6 2 3 Finding the Embedded System We will now search for embedded systems on the network 1 Press the Search button as shown in Figure 18 to begin searching for devices kei Netfinder v1 0 Show MAC Address v Show Left Column Show Right Column Sort By Unsorted ml Configure Assign IP Quick Launch Web Browser Hyperterminal Bootloader Figure 18 Search Button 2 The Embedded System should appear inside a box with a green background If it appears inside a box with a yellow background then a DHCP server was not found Please skip directly t
44. tories products are not designed intended or authorized for use in applications intended to support or sustain life or for any other application in which the failure of the Silicon Laboratories product could create a situation where per sonal injury or death may occur Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized ap plication Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders 34 Rev 0 5 SILICON LABORATORIES

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