| 摘要 |
Data in RAM 4 indicated by the top address is read, the read contents are written into the next address, and the operation is repeated to the end address, then the RAM value at the end address is compared with the RAM value at the top address only once and if the RAM values are the same, all the RAM is determined to be normal. The data comparison processing may be only one comparison with the end address data. ROM 201 is checked in a distributed manner in the wait time of main processing Mn rather than checked in initial processing In. |
