HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 670

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 14 Serial Communication Interface (SCI)
Clock
See section 14.3.2, Operation in Asynchronous Mode.
Data Transfer Operations
Multiprocessor serial data transmission: Figure 14.10 shows a sample flowchart for
multiprocessor serial data transmission.
The following procedure should be used for multiprocessor serial data transmission.
Rev.6.00 Sep. 27, 2007 Page 640 of 1268
REJ09B0220-0600
Figure 14.9 Example of Inter-Processor Communication Using Multiprocessor Format
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 communication 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)