Product overview
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.
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All features
- Hardware features
- ARM Cortex™-M3 32-bit RISC core
- 8 Kbytes of user RAM
- 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 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 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
- 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
- Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation:
- C compiler
- Simulator
- Emulator
- Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation:
- Hardware features
Circuit Diagram
EDA Symbols, Footprints and 3D Models
STMicroelectronics - ST32F256-M
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