ST19WR02 is a dual contactless smartcard MCU based on ISO 14443 type B with 2 Kbytes EEPROM, integrated with security firewall, DES accelerator, 2 8-bit timers, ISO 3309 CRC calculation block, FIPS 140-2 compliant random number generator, powered by 2.7 V to 5.5 V, external clock frequency up to 10 MHz
The ST19WRO2 is a dual contactless smartcard microcontroller designed for secure portable applications. It features an enhanced 8-bit CPU with extended addressing modes and includes on-chip memories: User ROM, User RAM, and User EEPROM, all protected by hardware firewalls.
Key specifications include a supply voltage range of 2.7V to 5.5V and an external clock frequency up to 10 MHz. The device supports high-speed data transfer capabilities up to 424 kbauds based on the ISO 14443 Type B standard.
| EEPROM Size | 2 Kbytes |
|---|---|
| User RAM Size | 1 Kbytes |
| Supply Voltage Range | 2.7 V to 5.5 V |
| External Clock Frequency | Up to 10 MHz |
| Data Transfer Capability | Up to 424 Kbauds |
The device offers a data retention of 10 years.
Yes, it has a serial access I/O that is ISO 7816-3 compatible.