HD64F2638F20J Datasheet, PDF (537/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Section 13 Serial Communication Interface (SCI)
Transmitting
station
Serial transmission 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
Data transmission cycle =
Data transmission to
receiving station specified by ID
Legend:
MPB: Multiprocessor bit
Figure 13-9 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 13-10 shows a sample flowchart for multiprocessor serial data transmission.
The following procedure should be used for multiprocessor serial data transmission.
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 487 of 1458