Transmitting
processor
Serial communication line
Receiving
Receiving
Receiving
Receiving
processor A
processor B
processor C
processor D
(ID = 01)
(ID = 02)
(ID = 03)
(ID = 04)
Serial data
H'01
H'AA
(MPB = 1)
(MPB = 0)
ID-sending cycle:
receiving processor address
Data-sending cycle:
data sent to receiving
processor specified by ID
MPB: Multiprocessor bit
Figure 12.9 Example of Communication among Processors using Multiprocessor Format
(Sending Data H'AA to Receiving Processor A)
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