| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obtain a microcomputer for which only a small circuit scale is required and for enabling a user to easily correct bugs of ROM data. <P>SOLUTION: The microcomputer is provided with a nonvolatile memory in which a plurality of block areas are stipulated and which has a replacement information area for storing address information specifying a replace block area to be replaced, an address information comparison means for comparing address information of the replaced block area with address information to be accessed by every access to the nonvolatile memory, and an access means for accessing the replaced block area preset in the nonvolatile memory in place of a block area defined to be accessed when both pieces of access information coincide. <P>COPYRIGHT: (C)2003,JPO</p> |
