Toshiba S20LP User Manual
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6
F
3
B
0
3
5
6
(5) Status (B)
The status during the execution of a SEND or RECV instruction and after that instruction
terminates is stored in the register shown at B. When TermSTS = 0BH, the detailed
information (S20LP-station error information) will be loaded into the registers indicated at
location B + 1.
The following figure shows the structure of the status information (register B) and following
tables (TermSTS (Part1 and Part2) and detailed information) show the detailed information
(register B +1).
B
Status
B+1
Detailed information
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
B
0
TermSTS
(Note 6) The user program must set bits C and D to 0 before first activating a SEND/RECV
instruction. Failure to do so will cause the SEND/RECV instruction to not complete. Also,
do not write to the status during instruction execution. This will cause the SEND/RECV
instruction to not complete.
abn
0: Normal complete
1: Error complete
busy 0: Initial state
1: Transmission port busy
status
0: Initial state
1: While send requesting
2: Send complete and while waiting
response
3: Complete
Only on an error 0: Error occurred at local station.
1: Error occurred at remote station.