HD64F2149 Datasheet, PDF (485/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Transmitting
station
Serial communication line
Receiving
station A
(ID = 01)
Receiving
station B
(ID = 02)
Receiving
station C
(ID = 03)
Receiving
station D
(ID = 04)
Serial
data
H'01
(MPB = 1)
H'AA
(MPB = 0)
ID transmission cycle:
receiving station
specification
Legend:
MPB: Multiprocessor bit
Data transmission cycle:
data transmission to
receiving station specified
by ID
Figure 15.9 Example of Inter-Processor Communication Using Multiprocessor Format
(Transmission of Data H'AA to Receiving Station A)
Data Transfer Operations
Multiprocessor Serial Data Transmission: Figure 15.10 shows a sample flowchart for
multiprocessor serial data transmission.
The following procedure should be used for multiprocessor serial data transmission.
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