HD64F3039F18 Datasheet, PDF (394/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Section 11 Serial Communication Interface
Communication Formats
Four formats are available. Parity-bit settings are ignored when a multiprocessor format is
selected. For details see table 11.11.
Clock
See the description of asynchronous mode.
Transmitting
processor
Receiving
processor A
(ID = 01)
Serial communication line
Receiving
processor B
(ID = 02)
Receiving
processor C
(ID = 03)
Receiving
processor D
(ID = 04)
Serial data
H'01
(MPB = 1)
H'AA
(MPB = 0)
ID-sending cycle: receiving
processor address
Legend:
MPB: Multiprocessor bit
Data-sending cycle:
data sent to receiving
processor specified by ID
Figure 11.9 Example of Communication among Processors using Multiprocessor Format
(Sending Data H'AA to Receiving Processor A)
Rev.3.00 Mar. 26, 2007 Page 370 of 682
REJ09B0353-0300