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982
Serial Communications Instructions
Section 3-24
The following programming example shows the instructions used to con-
stantly or periodically execute PMCR(260) to read data through a single
receive operation.
Set
m words
Data that was set will be
transfer if new data is not
successfully received.
Receive
buffer
Protocol
Macro
Execution
Flag
Communica-
tions Port En-
abled Flag
Always ON
Flag
Error
Recv
Error
Recv
Receive Area Not Held
Receive Area Held
Communications sequence
Receive buffer
Cleared
Receive area (starting at
R+1)
Cleared data
(all zeros)
stored.
Communications sequence
Receive buffer
Cleared and
previous
data stored
Receive area (starting at
R+1)
Set data stored if no new
data has been received
Summary of Contents for SYSMAC CS Series
Page 2: ......
Page 4: ...iv ...
Page 30: ...xxx ...
Page 186: ...146 List of Instructions by Function Code Section 2 4 ...
Page 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Page 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Page 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Page 1392: ...1352 ASCII Code Table Appendix A ...
Page 1404: ...1364 Revision History ...