Home

ST ST32F256-M handbook

1. yy ST32F256 M M2M MCU with 32 bit ARM Cortex M3 CPU and 256 Kbyte high density Flash memory Features Hardware features m ARM Cortex M3 32 bit RISC core m 8 Kbytes of user RAM m 256 Kbytes of user Flash memory with OTP area 10 year data retention at 105 C or 15 years at 85 C 500 000 Erase Write cycles per page 50 million Erase Write cycles per 64 Kbyte sector Page granularity of 128 Bytes Block granularity 1 Kbyte 128 Bytes of OTP for user Page Erase time 4 ms Block Erase 1 Kbyte in 20 ms Programming performance up to 10ys byte Flash Erase Write Protection software programmable on 64 Kbyte sectors m Asynchronous Receiver Transmitter supporting ISO 7816 3 T 0 and T 1 protocols Two 16 bit timers with interrupt capability 1 8V 3V and 5V supply voltage ranges External clock frequency from 1 up to 7 5 MHz High performance provided by CPU clock frequency up to 15 MHz External clock multiplier 2x 3x and 4x Current consumption compatible with GSM and ETSI specifications Power saving Standby state Contact assignment compatible ISO 7816 2 ESD protection greater than 4 kV HBM 8 pin DFN 6 x 5 mm ECOPACK package July 2010 Data brief Qe DFN8 Security features Monitoring of environmental parameters Protection against faults ISO 3309 CRC calculation block True random number generator Unique serial numbe
2. NVIRONMENTAL DAMAGE ST PRODUCTS WHICH ARE NOT SPECIFIED AS AUTOMOTIVE GRADE MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER S OWN RISK Resale of ST products with provisions different from the statements and or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever any liability of ST ST and the ST logo are trademarks or registered trademarks of ST in various countries Information in this document supersedes and replaces all information previously supplied The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners 2010 STMicroelectronics All rights reserved STMicroelectronics group of companies Australia Belgium Brazil Canada China Czech Republic Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Philippines Singapore Spain Sweden Switzerland United Kingdom United States of America www st com 4 4 Doc ID 16598 Rev 3 ky
3. dard DES accelerator can be used to the user to optimize the application performance A software library is provided for Advanced Encryption Standard AES implementation The ST32F256 M operates in the 40 to 105 C temperature range and 1 8 V 3 V and 5 V supply voltage ranges A comprehensive range of power saving modes enables the design of efficient low power applications Figure 1 ST32F256 M block diagram Flash DES RAM memory STROM Accelerator ST ROM Firewall Internal Bus Clock 2 Cortex x CRC Gene ay M3 Module rator ro 7 CPU ART Module Core CLK VO Ai12577 Doc ID 16598 Rev 3 ky ST32F256 M Revision history 1 2 1 3 Package features Package qualification for M2M applications Moisture Sensitivity Level test according to IPC JEDEC J STD 20 MSL1 with 260 C peak temperature Temperature Humidity Bias test according to JEDEC JESD22 A101 85 C 85 RH 1000 hours e Autoclave test according to JEDEC JESD22 A102 121 C 100 RH 205 kPa 96 hours e Vibration test according to JEDEC JESD22 B103 service condition 1 20 2000 Hz 20 g peak acceleration Mechanical Shock test according to JEDEC JESD22 B104 service condition B 1500 g acceleration for 0 5 ms pulse duration Temperature cycling test according to JEDEC JESD22 A104 65 150 C 500 cycles In order to meet environmental requirements ST offers these devices in diff
4. erent grades of ECOPACK packages depending on their level of environmental compliance ECOPACK specifications grade definitions and product status are available at www st com ECOPACK is an ST trademark Software development tools description Dedicated Cortex M3 software development tools are provided by ARM and Keil This includes the Instruction Set Simulator ISS and C compiler The documentation is available on the ARM and Keil web sites Moreover STMicroelectronics provides e A time accurate hardare emulator controlled by the Keil debugger and the ST development environment Acomplete product simulator based on Keil s ISS simulator for the Cortex M3 CPU A ROMed Flash Loader with very high speed software downloading capabilities Revision history Table 1 Document revision history Date Revision Changes 02 Nov 2009 1 Initial release 23 Feb 2010 2 Updated Page Erase and Block Erase times 07 Jul 2010 3 Updated Features on page 1 Doc ID 16598 Rev 3 3 4 ST32F256 M Please Read Carefully Information in this document is provided solely in connection with ST products STMicroelectronics NV and its subsidiaries ST reserve the right to make changes corrections modifications or improvements to this document and the products and services described herein at any time without notice All ST products are sold pursuant to ST s terms and conditions of sale Purchase
5. r on each die Hardware data encryption standard DES accelerator Software features m Flash loader m Flash drivers Development environment m Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation C compiler Simulator Emulator Description The ST32F256 M is designed for machine to machine M2M applications Its Cortex M3 32 bit RISC core operating at a 15 MHz frequency provides great performance and excellent code compacity Doc ID 16598 Rev 3 1 4 For further information contact your local STMicroelectronics sales office www st com Functional description ST32F256 M 1 1 2 4 Functional description Hardware description The ST32F256 M is a serial access microcontroller designed for machine to machine M2M applications that incorporates the most recent generation of ARM processors for embedded systems Its Cortex M3 32 bit RISC core operating at a 15 MHz frequency brings great performance and excellent code compacity to the application thanks to the Thumb 2 instruction set The high speed embedded Flash 256 Kbyte memory introduces more flexibility to the system The ST32F256 M also offers a serial communication interface fully compatible with the ISO 7816 3 standard T 0 T 1 for smartcard applications Two general purpose 16 bit timers are available A hardware Data Encryption Stan
6. rs are solely responsible for the choice selection and use of the ST products and services described herein and ST assumes no liability whatsoever relating to the choice selection or use of the ST products and services described herein No license express or implied by estoppel or otherwise to any intellectual property rights is granted under this document If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein UNLESS OTHERWISE SET FORTH IN ST S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE ST PRODUCTS ARE NOT RECOMMENDED AUTHORIZED OR WARRANTED FOR USE IN MILITARY AIR CRAFT SPACE LIFE SAVING OR LIFE SUSTAINING APPLICATIONS NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY DEATH OR SEVERE PROPERTY OR E

ST ST32F256-M handbook

Contents

Download Pdf Manuals

Related Search

Related Contents