ST19NR66 Dual contactless smartcard MCU with 66 Kbytes high density EEPROM, enhanced RF performances and dedicated packages
The ST19NR66 is a serial-access microcontroller designed for cost-effective secure portable applications, manufactured using ST CMOS EEPROM technology. It features an enhanced 8-bit CPU core, 224 Kbytes of User ROM, 6 Kbytes of User RAM, and 66 Kbytes of User EEPROM. The device includes dedicated security features such as an Enhanced DES accelerator and a 1088-bit Modular Arithmetic Processor (MAP) for cryptographic calculations.
| User EEPROM | 66 Kbytes |
|---|---|
| User ROM | 224 Kbytes |
| User RAM | 6 Kbytes |
| Clock frequency | up to 20 MHz |
| Supply voltage | 1.8 V, 3.0V and 5.0V |
| RF carrier frequency | 13.56 MHz |
| RF UART speed | up to 848 Kbits/s |
| RF frame size | up to 256 Bytes |
| ESD protection | greater than 5000V |
The device complies with ISO 14443 type B standards and is compatible with ISO/IEC 7816-3.
The device supports DES, triple DES, RSA, DSA, SHA-1, and AES-128 through hardware accelerators and software libraries.
The CPU clock frequency can reach up to 20 MHz.