ST ST32F320 handbook
Contents
1. ky ST32F320 Smartcard MCU with 32 bit ARM Cortex M3 CPU and 320 Kbyte high density Flash memory Features Hardware features m ARM Cortex M3 32 bit RISC core m 8 Kbytes of user RAM m 320 Kbytes of user Flash memory with OTP area 10 year data retention 100 000 Erase Write cycles per page Page granularity of 128 Bytes Block granularity 1 Kbyte 128 Bytes of OTP for user Page Erase time 3 ms Block Erase 1 Kbyte in 15 ms Programming performance up to 10us 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 20 MHz External clock multiplier 2x 3x and 4x m Current consumption compatible with GSM and ETSI specifications Power saving Standby state m Contact assignment compatible ISO 7816 2 ESD protection greater than 4 kV HBM November 2009 Data brief Micromodule Security features Monitoring of environmental parameters Protection against faults ISO 3309 CRC calculation block True random number generator Unique serial number on each die Hardware data encryption standard DES accelerator Software features m Flash loader m Flash drivers2. Development environment Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation m C compiler m Simulator m Emulator Applications ST32F320 major applications include m Mobile communications GSM 3G and CDMA m Java Card applications Doc ID 16480 Rev 2 1 4 For further information contact your local STMicroelectronics sales office www st com Description ST32F320 1 Description 1 1 Hardware description The ST32F320 is a serial access microcontroller designed for secure mobile applications that incorporates the most recent generation of ARM processors for embedded systems Its Cortex M3 32 bit RISC core operating at a 20 MHz frequency brings great performance and excellent code compacity to the application thanks to the Thumb 2 instruction set The high speed embedded Flash 320 Kbyte memory introduces more flexibility to the system The ST32F320 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 Standard 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 ST32F family operates in the 25 to 85 C temperature range and 1 8V 3V and 5V sup
3. 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 ENVIRONMENTAL 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 2009 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 16480 Rev 2 ky
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5. ply voltage ranges A comprehensive range of power saving modes enables the design of efficient low power applications Figure 1 S1T32F320 block diagram Flash DES RAM memory STROM Accelerator ST ROM Firewall I i ug tf tt tf g Clock 2 Cortex X CRC Gene A M3 meme rator Ters talor Si i Module Core CLK RESE Vcc VO Ai12577 2 4 Doc ID 16480 Rev 2 ky ST32F320 Revision history 1 2 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 e AROMed Flash Loader with very high speed software downloading capabilities Revision history Table 1 Document revision history Date Revision Changes 20 Nov 2008 1 Initial release 05 Nov 2009 2 Updated first page and disclaimer Doc ID 16480 Rev 2 3 4 ST32F320 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
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ST ST32F320 handbook