Patent ID: 6715068
Filing Date: 2004-03-30
Classification: G06F

Abstract:
A multi-microcomputer system comprising a master microcomputer and a slave microcomputer, the multi-microcomputer system comprising:in a master circuit having the master microcomputer therein, a socket for installing an update memory loaded with an update operating program, the master microcomputer comprising: a master processing unit for judging whether or not the update operating program for the slave microcomputer is stored in the update memory when the update memory is installed in the socket and for transferring the update operating program to a slave circuit having the slave microcomputer therein in the case where the memory has been judged to store the update operating program, the slave microcomputer comprising: a program memory for storing a current operating program; and a slave processing unit for updating the current operating program with the update operating program when the update operating program is transferred.