HD6432621 Hitachi, HD6432621 Datasheet - Page 504

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Data Transfer Operations:
460
Figure 13-9 Example of Inter-Processor Communication Using Multiprocessor Format
Multiprocessor serial data transmission
Figure 13-10 shows a sample flowchart for multiprocessor serial data transmission.
The following procedure should be used for multiprocessor serial data transmission.
Serial
data
Legend
MPB: Multiprocessor bit
Transmitting
Receiving
station A
(ID= 01)
station
(Transmission of Data H'AA to Receiving Station A)
ID transmission cycle=
specification
receiving station
H'01
Receiving
station B
(ID= 02)
(MPB= 1)
Serial transmission line
Data transmission cycle=
Data transmission to
receiving station specified by ID
Receiving
H'AA
station C
(ID= 03)
(MPB= 0)
Receiving
station D
(ID= 04)