Hitachi H8/3035 Series Hardware Manual page 340

Single-chip microcomputer
Table of Contents
Transmitting
processor
Receiving
processor A
(ID = 01)
Serial data
Legend
MPB: Multiprocessor bit
Figure 11-9 Example of Communication among Processors using Multiprocessor Format
(Sending Data H'AA to Receiving Processor A)
Transmitting and Receiving Data
Transmitting Multiprocessor Serial Data: Figure 11-10 shows a sample flowchart for
transmitting multiprocessor serial data and indicates the procedure to follow.
326
Serial communication line
Receiving
processor B
(ID = 02)
H'01
(MPB = 1)
ID-sending cycle: receiving
processor address
Receiving
Receiving
processor C
processor D
(ID = 03)
(ID = 04)
H'AA
(MPB = 0)
Data-sending cycle:
data sent to receiving
processor specified by ID
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H8/3035H8/3034H8/3033

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