| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve the performance of a microcomputer equipped with a serial transfer function. SOLUTION: This device is provided with a CPU part 04, SCU part 03, the other circuit parts commonly connected with an inside bus, and SCU outside control part 05 which controls the SCU part 03 by detecting each transfer request signal 10 from the outside part, accepting one of them, outputting a request acceptance signal 15 for recognizing the request acceptance at the outside part to the outside part, setting a serial transfer condition corresponding to each request acceptance signal 15 through an inside bus 20 in an operation node register 031, activating the transfer of the SCU part 03, judging the completion of transfer, and outputting a request response signal 11 indicating that the SCU part 03 is processing transfer to the outside part.</p> |
