HMS88T4804 Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – New 80C52 Based High Security Smart Card IC

HMS88T4804
HMS88T4804
New 80C52 Based High Security Smart Card IC
General Features
• TurboCore : High Security 8-bit 80C52 compatible CPU
9 Multiple source vectorized interrupt system with two priority levels
9 Multiple source reset system
• High reliable EEPROM for data storage
9 4KB high reliability EEPROM
9 1 to 32 bytes per a page
9 64 bytes security area (OTP : One Time Programmable)
9 Bytewise EEPROM programming and read access
9 EEPROM endurance: 300,000 cycles at 25℃
9 EEPROM data retention: min. 10 years
9 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 48KB User ROM : non-visible & scramble ROM code
9 256B IRAM
9 1KB XRAM
• Integrated Peripherals
9 Interrupt module for I/O interface and peripherals
9 UART supporting ISO standard protocols T = 0 and T = 1
9 True random number generator in hardware
9 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