ST21Y036 is a smart card MCU launched by ST company, which is mainly used in mobile communications and Java applications. The chip has 8/16-bit CPU core, 16Mbytes linear addressable memory, 128Kbytes user ROM, 4Kbytes user RAM, 36Kbytes user EEPROM, 64Bytes user OTP area and other features.
The ST21Y036 is an enhanced 8/16-bit CPU core designed specifically for cost-effective secure mobile applications. It features 36 Kbytes of User EEPROM, 4Kbytes of User RAM, and 128 Kbytes of User ROM. The device includes a hardware DES accelerator and supports ISO 7816-3 T=0 and T=1 protocols via an Asynchronous Receiver Transmitter.
| EEPROM Capacity | 36 Kbytes |
|---|---|
| User ROM Size | 128 Kbytes |
| User RAM Size | 4Kbytes |
| CPU Clock Frequency | up to 22 MHz |
| External Clock Range | 1 up to 7.5 MHz |
| Supply Voltage Ranges | 1.8V, 3V and 5V |
It supports ISO 7816-3 T=0 and T=1 protocols.
Yes, the product architecture includes a DES accelerator.