List Of Special Data Registers (Com Communication) - Panasonic FP0H User Manual

10.4 List of Special Data Registers
Only special data registers related to communication by COM0 port of the main control unit
and by COM port of a communication cassette are listed below.
Register No. Name
DT90009 Communication error flag
Communication error code
DT90059
COM0 port / COM1 port
COM0
DT90123
SEND / RECV done code
COM1
DT90124
SEND / RECV done code
COM2
DT90125
SEND / RECV done code
Forced I/O active unit
DT90126
number
DT90127
Reserved for system
to DT90139

10.4 List of Special Data Registers (COM Communication)

Description
The content of error is stored during the use of COM2
port.
ON(1): Error; OFF(0): Normal
bit no. 15
COM2 overflow error
COM2 parity error
COM2 framing error
COM2 overrun error
An error code is stored in the case of communication
error.
ON(1): Error; OFF(0): Normal
bit no. 15
COM1
overflow error
COM1 parity error
COM1 framing error
COM1 overrun error
COM0 overflow error
COM0 parity error
COM0 framing error
COM0 overrun error
An error code is stored when an error occurs during the
execution of a SEND / RECV instruction.
Used by the system.
-
(COM Communication)
8 7
0 0 0 0 0 0 0 0 0 0 0 0
8 7
0 0 0 0 0 0 0 0
R W
0
●
0
●
●
●
●
●
10-19