ST

Key Features

• Hardware featuresEnhanced 8/16-bit ST23 CPU core with 16 Mbytes linear addressable memory390 Kbytes of User ROM6 Kbytes of User RAM2 Kbytes of NESCRYPT RAM80 Kbytes of User EEPROM including 128 bytes of User OTP area:30-year data retention at 25° C500,000 erase/write cycles at 25° C1 to 64 bytes Erase or Program in 1.5 msOperating temperature: –25° to +85° C (certain restrictions apply)Enhanced NESCRYPT crypto-processor for public key cryptographyHardware security enhanced DES acceleratorThree 8-bit timers with watchdog and interrupt capability3 V and 5 V supply voltage rangesExternal clock frequency up to 10 MHzHigh performance provided by:CPU clock frequency up to 29 MHzPower-saving Standby stateContact assignment compatible with ISO/IEC 7816-3 standardsAsynchronous receiver transmitter (IART) for high speed serial data support (ISO/IEC 7816-3 and EMV™ compliant)ESD protection greater then 6 kV (HBM) for contact pads and 4 kV for contactless pads
• Contactless featuresComplies with ISO/IEC 14443 type B standards13.56 MHz carrier frequencyRF frame up to 512 bytesRFUART (RF universal asynchronous receiver transmitter) up to 848 Kbps0.5 Kbytes dedicated RFUART RAMBPSK - NRZ load modulation (card-to-reader)8 to 14% amplitude modulation reception (reader to card) as minimum rangeEnhanced RF performance provided by CPU clock frequency up to 29 MHz coupled with clock frequency divider
• Security featuresActive shieldMonitoring of environmental parametersProtection mechanisms against faultsAIS-31 class P2 compliant true random number generator (TRNG)ISO 3309 CRC calculation blockMemory protection unit (MPU)Unique serial number on each die
• Development environmentInterface with RF readers supported through a library of embedded software functions compatible with ISO/IEC 14443 standards.Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation:C compiler, simulator and emulator