| 摘要 |
PURPOSE:To average a load among processors by presetting a common group address to plural processors of the same function group and sending a sending data while adding the group address of a reception side processor. CONSTITUTION:In sending a data to one processor of B function groups 30-31 from an A function group processor 20, a data transmission circuit 50 sends a data added with a group address of the B function group to a ring common bus 10. The sent data is received by a data reception circuit 40 of the 1st processor 33 of the B function group via the bus 10. When the detected group address and the group address of the processor 33 are coincident and the information of a group reception enable control flag 60 is receptionable, a transmission/ reception control circuit 70 fetches the reception data and sends the confirmation data to the bus 10. It is possible to send a group destination data without individual designation of the reception side processor from the sending side by setting a group address to the processing device group divided by function and adding the group address to the sent data in this way. |
