HMS88T1932
HMS88T2564
New 80C52 Based High Security Smart Card IC
General Features
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TurboCore : High Security 8-bit 80C52 compatible CPU
Multiple source vectorized interrupt system with two priority levels
Multiple source reset system
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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
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1MHz to 6MHz operating clock frequency range for program execution from ROM
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Integrated On-Chip Memory
256KB User ROM : non-visible & scramble ROM code
256B IRAM
6KB XRAM
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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
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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
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Data encryption according to T-DES standard
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ROM code not visible due to implantation
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Low/High supply voltage detector
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Low/High clock frequency detector
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Metal shield detector
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Internal power-on-reset
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Unique chip identification number for each chip
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Memory data / address encryption & scrambling
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Memory segmentation
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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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