
Chapter 2 Specification of Communication port for CPU module
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Status Register, Control register, Transmitting counter, Receiving counter
The status register, the control register, the transmitting counter, and the receiving counter for ASR communication are
assigned to the special internal output WRF600 or later.
Table 2.9 Special internal output for ASR function
No. Name Set condition Reset condition
WRF600 ASR port 1 Status register Set by system Clear system or user
WRF601 Control register Set by user Clear by user
WRF602 Transmitting counter Set by system Clear by user
WRF603 Receiving counter Set by system Clear by user
WRF604 ASR port 2 Status register Set by system Clear by system or user
WRF605 Control register Set by user Clear by user
WRF606 Transmitting counter Set by system Clear by user
WRF607 Receiving counter Set by system Clear by user
WRF608 ASR port 3 Status register Set by system Clear by system or user
WRF609 Control register Set by user Clear by user
WRF60A Transmitting counter Set by system Clear by user
WRF60B Receiving counter Set by system Clear by user
WRF60C ASR port 4 Status register Set by system Clear by system or user
WRF60D Control register Set by user Clear by user
WRF60E Transmitting counter Set by system Clear by user
WRF60F Receiving counter Set by system Clear by user
WRF610 ASR port 5 Status register Set by system Clear by system or user
WRF611 Control register Set by user Clear by user
WRF612 Transmitting counter Set by system Clear by user
WRF613 Receiving counter Set by system Clear by user
WRF614 ASR port 6 Status register Set by system Clear by system or user
WRF615 Control register Set by user Clear by user
WRF616 Transmitting counter Set by system Clear by user
WRF617 Receiving counter Set by system Clear by user
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