hd66100 Renesas Electronics Corporation., hd66100 Datasheet - Page 312

• Manufacturer Part Number: hd66100
• Description: H8/3867 Series
• Manufacturer: Renesas Electronics Corporation.

There is a choice of four data transfer formats. If a multiprocessor format is specified, the parity
bit specification is invalid. See table 10.11 for details.
For details on the clock used in multiprocessor communication, see 10.1.4, Operation in
Synchronous Mode.
• Multiprocessor transmitting
Figure 10.17 shows an example of a flowchart for multiprocessor data transmission. This
procedure should be followed for multiprocessor data transmission after initializing SCI3.
Serial
data
Figure 10.16 Example of Inter-Processor Communication Using Multiprocessor Format
Receiver A
(ID = 01)
Sender
(specifying the receiver)
ID transmission cycle
H'01
(Sending data H'AA to receiver A)
(MPB = 1)
Receiver B
(ID = 02)
Communication line
(sending data to the receiver
Data transmission cycle
specified buy the ID)
Receiver C
(ID = 03)
H'AA
(MPB = 0)
Receiver D
(ID = 04)
MPB: Multiprocessor bit
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