User`s manual

365
CHAPTER 16 USING COMMUNICATION DATA MONITORING FUNCTION
16
16.2 Communication Data Monitoring Function Settings
(g) The monitor data area (Default addresses: 2602H to 32FFH /3302H to 3FFFH)
The monitor data are stored in one-word units as shown in the configuration below.
See Page 366, Section 16.3 for an example of the communication data monitoring.
b15
0
b14
000
b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
0
0
OVRFE PE
0
0001
0010
0011
0100
(*1)
*1
DR
(DSR)
CS
(CTS)
CD
(DCD)
DR
(DSR)
CS
(CTS)
CD
(DCD)
DR
(DSR)
CS
(CTS)
CD
(DCD)
DR
(DSR)
CS
(CTS)
CD
(DCD)
DR
(DSR)
CS
(CTS)
CD
(DCD)
ER
(DTR)
RS
(RTS)
*
*
*
*
*
Received data
Whe n receiving data
Transmitted data When transmitting data
When the RS(RTS)/ER(DTR)
signal is changed
When a reception error occurs
When detecting a CD(DCD) to
DR(DSR) signal change
Data classification
(b12 to b15)
0: When receiving data
1: When transmitting data
2: When the RS(RTS)/ER(DTR)
signal is changed
3: When a reception error occurs
4: When detecting a CD(DCD) to
DR(DSR) signal change
Signal condition (b8 to b11)
* System area
FE: Framing error
OVR: Overrun error
PE: Parity error