| 摘要 |
<p>A micro controller having a first memory (16) in which the main programs installed during manufacture are stored, a second memory (18) in which user programs made by the user after manufacture are stored, a CPU (6) which controls writing programs to and reading programs from the first and second memories and a check section (8, 10) which checks the code of the user program to see if it is suitable when it writes programs to and when it reads stored programs from the second memory, and enabling preventing damage, read out and damage of program and data is disclosed. <IMAGE></p> |
