HD6413007F20 Datasheet, PDF (497/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

13. Serial Communication Interface
Transmitting
processor
Receiving
processor A
(ID = 01)
Serial communication line
Receiving
processor B
(ID = 02)
Receiving
processor C
(ID = 03)
Receiving
processor D
(ID = 04)
Serial data
H'01
(MPB = 1)
H'AA
(MPB = 0)
ID-sending cycle:
receiving processor address
Data-sending cycle:
data sent to receiving processor
specified by ID
Legend:
MPB : Multiprocessor bit
Figure 13.9 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 13.10 shows a sample flowchart for
transmitting multiprocessor serial data and indicates the procedure to follow.
Rev.5.00 Sep. 12, 2007 Page 467 of 764
REJ09B0396-0500