HMS88T4804

www.DataSheet4U.com HMS88T4804 HMS88T4804 New 80C52 Based High Security Smart Card IC General Features TurboCore : High Security 8-bit 80C52 compatible CPU 9 9 Multiple source vectorized interrupt system with two priority levels Multiple source reset system High reliable EEPROM for data storage 9 9 9 9 9 9 9 4KB high reliability EEPROM 1 to 32 bytes per a page 64 bytes security area (OTP : One Time Programmable) Bytewise EEPROM programming and read access EEPROM endurance: 300,000 cycles at 25℃ EEPROM data retention: min. 10 years EEPROM management library (EML) with intelligent write algorithm 1MHz to 6MHz operating clock frequency range for program execution from ROM Integrated On-Chip Memory 9 9 9 48KB User ROM : non-visible & scramble ROM code 256B IRAM 1KB XRAM Integrated Peripherals 9 9 9 9 Interrupt module for I/O interface and peripherals UART supporting ISO standard protocols T = 0 and T = 1 True random number generator in hardware CRC module : 16 bit checksum according to ISO3309 2.7V to 5.5V extended operating voltage range Power saving IDLE mode Low power SLEEP mode Pad configuration according to ISO/IEC 7816: VDD, VSS, CLK, RST and I/O1 Serial interface according to ISO/IEC 7816-3 Meets GSM 11.11 and 11.12 Specifications High Security Smart Card IC HMS88T4804 Security Features Data encryption according to T-DES standard ROM code not visible due to implantation Low/High supply voltage detector Low/High clock frequency de...