hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 419
hd64338023s
Manufacturer Part Number
hd64338023s
Description
Renesas 8-bit Single-chip Microcomputer Super Low Power Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.HD64338023S.pdf
(697 pages)
- Current page: 419 of 697
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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 section 10.3.2, Operation in
Asynchronous 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.
Figure 10.16 Example of Inter-Processor Communication Using Multiprocessor Format
Serial
data
Receiver A
(ID = 01)
Sender
(specifying the receiver)
ID transmission cycle
(Sending Data H'AA to Receiver A)
H'01
(MPB = 1)
Receiver B
(ID = 02)
Communication line
(sending data to the receiver
Data transmission cycle
Receiver C
specified by the ID)
(ID = 03)
Section 10 Serial Communication Interface
H'AA
Rev. 7.00 Mar 10, 2005 page 377 of 652
(MPB = 0)
Receiver D
(ID = 04)
MPB: Multiprocessor bit
REJ09B0042-0700
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