| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide communication control means having a high degree of freedom, allowing the addition of the latest information without giving influences to the other communication when traffic jam is caused by an unbalanced amount of up-link and down-link communication data. <P>SOLUTION: This on-vehicle electronic control device comprises a microprocessor 110a connected with a host station serial/parallel converter 117, first storage means 300 having a combination control circuit 120a connected with a sub-station serial/parallel converter 127 connected serially to the host station serial/parallel converter 117 for storing transmission from a host station 117 to a sub-station 127, distribution storage means 313 for transferring to a device memory command data stored in the first storage means 300 if showing a writing/setting command, reply packet generating means 317 for generating up-link replay information for the microprocessor 110a, second storage means 320 for reading the replay information stored in sequence in a first-in and first- out manner while passing by traffic jam, and reply packet organizing means 338 for replying the added latest information. <P>COPYRIGHT: (C)2004,JPO</p> |
