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| HMS88T1932 HMS88T2564 New 80C52 Based High Security Smart Card IC General Features * TurboCore : High Security 8-bit 80C52 compatible CPU Multiple source vectorized interrupt system with two priority levels Multiple source reset system * High reliable EEPROM for data storage 64KB high reliability EEPROM 1 to 64 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 256KB User ROM : non-visible & scramble ROM code 256B IRAM 6KB XRAM * Integrated Peripherals 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 HMS88T1932 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 detector * Metal shield detector * Internal power-on-reset * Unique chip identification number for each chip * Memory data / address encryption & scrambling * Memory segmentation * Random waitstate generator ROM 48KB EEPROM 4KB XRAM 1KB Instruction Bus External Bus SECURITY SENSORS INTERRUPT CPU (TurboCore) MEU IRAM SFR Bus IO RST CLK UART TIMER0/1 CRC TDES RNG Block Diagram High Security Smart Card IC |
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