SH7706 Datasheet, PDF (451/749 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7700 Series

Section 14 Serial Communication Interface (SCI)
Figure 14.12 shows an example of communication among processors using the multiprocessor
format.
Transmitting
station
Receiving
station A
(ID = 01)
Serial communications circuit
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 transmit cycle =
specifies receiving station
Data transmit cycle =
data transmission to
receiving station specified
by ID
MPB: Multiprocessor bit
Example: Sending data H'AA to receiving processor A
Figure 14.12 Communication Among Processors Using Multiprocessor Format
Communication Formats: Four formats are available. Parity-bit settings are ignored when the
multiprocessor format is selected. For details see table 14.10.
Clock: See the description in the asynchronous mode section.
Rev. 5.00 May 29, 2006 page 403 of 698
REJ09B0146-0500