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1. Data Transfer Format
There are four data transfer formats.
When a multiprocessor format is specified, the parity bit specification is invalid.
For details, see table 22.10.
2. Clock
See the section on asynchronous mode.
Transmitting
Receiving
station A
Serial
data
[Legend] MPB : Multiprocessor bit
Figure 22.10 Example of Inter-Processor Communication Using Multiprocessor Format
3. Data Transfer Operations
a. Multiprocessor Serial Data Transmission
Figure 22.11 shows a sample flowchart for multiprocessor serial data transmission.
The following procedure should be used for multiprocessor serial data transmission.
station
Receiving
(ID=01)
H'01
ID transmission cycle:
receiving station
specification
(Transmission of Data H'AA to Receiving Station A)
Serial communication line
station B
(ID=02)
(MPB=1)
Data transmission cycle:
data transmission to
receiving station
specified by ID
Receiving
station C
(ID=03)
H'AA
(MPB=0)
Rev. 1.0, 02/00, page 435 of 1141
Receiving
station D
(ID=04)
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