Microcomputer allowing external monitoring of internal resources

Details Microcomputer allowing external monitoring of internal resources Microcomputer allowing external monitoring of internal resources

1995-06-07

1999-02-16

Lall, Parshotam S.

G06F 1134

Patent

active

058729615

ABSTRACT:
A microcomputer having a function for monitoring internal resources closed within the microcomputer without preventing an execution of the microcomputer. An address of a register within the microcomputer is determined in advance from the outside of the microcomputer, and at a coincident timing with the register address outputted onto an internal register address bus, data on an internal data bus are taken in and are outputted to the outside of the microcomputer via a serial interface. The information of the internal resources closed within the microcomputer can be obtained without stopping the execution of the microcomputer to enable avoiding of a runaway or trouble of a machine to be controlled by the microcomputer and to enable developing at a real time similar to an execution time.

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