ST33F1M is a smartcard MCU with a 32-bit ARM® SecurCore® SC300™ CPU and 1.25 Mbytes high-density Flash memory. Its major applications include mobile communications (GSM, 3G, and CDMA), Java Card™ applications, multimedia, mobile TV, banking, and transportation.
The ST33F1M is a serial access microcontroller designed for secure mobile applications, incorporating the ARM SecurCore SC300 32-bit RISC core. It features 1280 Kbytes of high-density Flash memory with OTP areas and supports supply voltage ranges of 1.8V, 3V, and 5V. The device is optimized for performance with a CPU clock frequency up to 25 MHz and includes hardware accelerators for cryptographic functions like DES and public key algorithms.
| CPU Core | ARM SecurCore SC300 32-bit RISC core |
|---|---|
| User RAM | 30 Kbytes |
| User Flash memory | 1280 Kbytes |
| OTP area | 256 Bytes |
| Data retention | 10-year |
| Erase/Write cycles | 100,000 |
| Page granularity | 256 Bytes |
| Block granularity | 1 Kbyte |
| Page Erase time | 5 ms |
| Block Erase time | 15 ms |
| Programming performance | 10µs/byte |
| CPU clock frequency | 25 MHz |
| External clock frequency | 1 up to 10 MHz |
| Supply voltage ranges | 1.8V, 3V and 5V |
| ESD protection | greater than 4 kV (HBM) |
| Package | 8-lead plastic small outline |
The ST33F1M uses an ARM SecurCore SC300 32-bit RISC core.
The device supports 1.8V, 3V, and 5V supply voltage ranges.
Yes, it has an optional Serial Peripheral Interface (SPI) Slave interface.