This data sheet provides detailed information about ST19WR02
The ST19WRO2 is an 8-bit microcontroller designed for cost-effective secure portable applications. It utilizes advanced CMOS EEPROM technology and includes on-chip User ROM, RAM, and EEPROM with hardware firewall protection to prevent unauthorized access between memory areas.
Key features include a DES accelerator for symmetric algorithms (DES, triple DES), a CRC calculation block compliant with ISO 3309, and a random number generator compliant with FIPS 146-2. The device supports contactless communication based on the ISO 14443 Type B standard.
| User EEPROM Size | 2 Kbytes |
|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V |
| External Clock Frequency | Up to 10 MHz |
| Data Retention | 10 years |
| Erase/Write Cycles Endurance | 500,000 cycles |
| Carrier Frequency | 13.56 MHz |
It is based upon ISO 14443 Type B.
The device supports high speed data transfer up to 424 kbauds.
Yes, it includes security firewalls for memories and a DES accelerator.