HMS88T1932 Datasheet, PDF (2/2 Pages) List of Unclassifed Manufacturers – New 80C52 Based High Security Smart Card IC

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
HMS88T1932
ROM
48KB
EEPROM
4KB
Instruction Bus
XRAM
1KB
External Bus
SECURITY
SENSORS
INTERRUPT
CPU
(TurboCore)
MEU
SFR Bus
IO
RST
UART
TIMER0/1
CRC
TDES
CLK
IRAM
RNG
Block Diagram
High Security Smart Card IC