Asynchronous Write Method - Renesas R-IN32 Series User Manual

R-IN32 Series CC-Link Remote device station
9.3.3

Asynchronous Write Method

The written data is transmitted by the next polling from the master.
Asynchronous write
(Byte address 00h)
1: Disable
Data (RWr/RX) write
Send data write complete
Figure 9.6 Asynchronous Write Method
:
Caution When the baud rate is 156Kbps, a maximum of 3.08ms is required for send processing.
During this period, CCS_MWRENL_RCEX.MWRENL does not become enabled.
R18UZ0056EJ0102
Dec. 28, 2018
method
MWRENL
0: Enable
Complete
9. Sample Flowchart for CC-Link Version 1
· Check whether or not write is enabled by reading
CCS_MWRENL_RCEX( MWRENL (MWRENL: send data write
enable information).
· (0: Enable, 1: Disable)
· Collect and write the data to be sent in one communication process .
· Write: Write data in the order of RWr
· After the data is written, write "1" to CCS_M3SDOK_RDRQ
(WPFLG: send data write complete flag).
RX.
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