ST32F32A数据手册ST中文资料规格书

描述 Description

The ST32F32A 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 ST32F32A 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 ST32F32A operates in the –25 to +85°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.
In order to meet environmental requirements, ST offers these devices in different 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.

特性 Features

• Hardware features
• ARM® Cortex™-M3 32-bit RISC core
• 8 Kbytes of user RAM
• 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 10μs/byte
• Flash Erase / Write Protection software programmable on 64 Kbyte sectors
• 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)
• 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)
• 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
• Flash loader
• Flash drivers
• Development environment