大量供应芯片MR31Z052

MR31Z052  

ST31-K330A platform secure dual interface MCU with enhanced security and 52 Kbytes of EEPROM (MIFARE® supported)

Features 

Hardware features 

 ARM® SecurCore® SC000™ 32-bit RISC core 

 245 Kbytes of User ROM 

 8 Kbytes of User RAM 

 52 Kbytes of User EEPROM 

 CPU clock frequency up to 28 MHz 

 Power-sing Standby state 

 Contact assignment compatible with ISO/IEC 7816-3 standards

  Asynchronous receiver transmitter (IART) for high speed serial data support (ISO/IEC 7816-3 T=0/T=1 and EMV compliant) 

 ESD protection greater than 5 kV (HBM)

Contactless features

  Complies with ISO/IEC 14443 Type A, B and B’, and PayPass® standards 

 13.56 MHz carrier frequency 

 RFUART (RF universal asynchronous receiver transmitter) up to 848 Kbps 

 Very High Bit Rate (VHBR): Tx = 6.8 Mbps and Rx = 1.7 Mbps 

 Simultaneous mode (Contact and Contactless) 

 4-Kbyte RF frame buffer in dedicated RFUART RAM 

 MIFARE Plus® and MIFARE® DESFire® EV1 HW and SW implementation

  MIFARE® Classic ailable as part of MIFARE Plus® 

Security features 

 Three-key Triple DES accelerator

  AES accelerator 

 NESCRYPT coprocessor for public key cryptography algorithm 

 Protection against multiple attacks