Integrated circuit card

Details Integrated circuit card Integrated circuit card

1989-08-22

1992-06-30

Trafton, David

Registers

Coded record sensors

Testing

235441, 235493, G06K 700

Patent

active

051265419

ABSTRACT:
An IC card including a processor, a first memory for storing therein a system program which runs on the processor and which is associated with a basic operation of the IC card, a second memory for storing therein an application program which runs on the processor and which corresponds to a usage of the IC card, a third memory for storing therein data processed by the processor, an input/output unit for effecting input and output operations of programs and data, a program stop section for stopping the program being executed on the processor at a specified address and a data output section for supplying the input/output unit with either one of a content of a register in the processor and a content of an area at an address of at least one of the first, second, and third memories when the program running on the processor is stopped.

REFERENCES:
patent: 4939353 (1990-07-01), Iijima

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