Introduction
FM1240 is a enhanced secure high capacity dual interface CPU card chip designed by Fudan Microelectronics Group Co. Ltd. It supports both ISO7816 and ISO14443-A protocol. it supports hardware acceleration technology for Java code.
FM1240 is targeting both contact-based and contactless-based smart card market segments like Electronics Wallet, existing Pulic Traffic RF Card, banking card based on PBOC Standard, PSAM card, Java card.

Standard features
•Flip80251 CPU
•internally generated configurabl eCPU clock up to 30MHz

Interface Protocol
•ISO/IEC 7816 contact interface
•Two additional IO ports IO2 and IO3 for ISO/IEC 7816 contack interface
•ISO/IEC 14443-A contactless interface
•Data transfer rates supported:106Kbit,212Kbit,424Kbit

Cryptographic Co-processors
•RAE co-processor ( supports 2048-bit RSA、SM2 and ECC)
•Triple-DES co-processor
•AES co-processor
•SSF33 co-processor
•SM1 co-processor
•SM4 co-processor
•SM7 co-processor
•HASH co-processor ( supports SHA-1,SHA-224,SHA-256 and SM3)
Memory
•ROM:256KB
•EEPROM:80KB
•Data retention time: 20 years
•Endurance: 500,000 cycles tipical
RAM:9288B
•8KB standard RAM usable for CPU
•1KB RAE RAM usable for cryptographic
•280B interface RAM usable for interface

Security feathres
•32bit Random Number Generator in hardware(compliance with AIS-31,FIPS140-2 and NIST SP800-22)
•supports one TRNG
•supports one PRNG
•one hardware watch-dog timer
•enhanced security sesors
•low/high clock frequency sensor
•low/high supply voltage sensor
•low/high temperature sensor
•light sensor
•metal shielding
•memory security(encryption and parity check)for ROM, EEPROM and RAM.