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ST31G480/ ST31G384 /ST31G320 /ST31G256
Secure dual interface microcontroller with enhanced security and up to 480 Kbytes of Flash memory
Features
Hardware features
x ARM® SecurCore® SC000™ 32-bit RISC core
x 12 Kbytes of User RAM
x Up to 480 Kbytes of secure User high-density Flash memory including 128 bytes of User OTP area:
– 30-year data retention
– 500 000 Erase/Write cycle endurance
x Operating temperature: –25 °C to +85 ° C
x Three 16-bit timers with interrupt x Watchdog timer
x 21. V to 5.5 V supply voltages
x ternal clock frequency up to 10 MHz
x CPU clock frequency up to 28 MHz
x Power-sing Standby state
x Contact assignment compatible with ISO/IEC 7816-3 standards
x Asynchronous receiver transmitter (IART) with RAM buffer for high speed serial data support (ISO/IEC 7816-3 T=0/T=1 and EMV® compliant) x ESD protection greater than 6 kV (HBM)
x CCEAL6+ and EMVCo certification target
Contactless features
x Complies with ISO/IEC 14443 Type A, B and B’, PayPass™ and ISO/IEC 18092 passive mode standards
x Two tuning capacitor values: 20 pF and 68 pF
x Automatic CPU frequency adaptation for optimum power consumption
x Automatic RF communication type detection
x 13.56 MHz carrier frequency
x RFUART (RF universal asynchronous receiver transmitter) up to 848 Kbps
x Very high bitrate (ASK VHBR) up to 3.4 Mbps in reception and 6.8 Mbps in transmission
x Simultaneous mode (contact and contactless)
x 4-Kbyte RF frame buffer in dedicated RFUART RAM
x MIFARE Plus® and MIFARE® DESFire® EV1 hardware and software implementation
x MIFARE® Classic ailable as part of MIFARE Plus®
Security features
x Active shield
x Monitoring of environmental parameters
x Three-key Triple DES accelerator
x AES accelerator
x AIS-31 Class PTG2 compliant true random number generator (TRNG)
x NESCRYPT coprocessor for public key cryptography algorithm
x ISO/IEC 13239 CRC calculation block
x Unique serial number on each die
x Protection against multiple attacks
