Interface pinouts and interrupts
Serial interface 1
1
5
6
9
Pin
Signal
name
Meaning
1
DCD
Data Carrier Detect
2
RxD
Receive
Data
3
TxD
Transmit
Data
4
DTR
Data Terminal Ready
5
Signal
Ground
Ground
6
DSR
Data Set Ready
7
RTS
Request to Send
8
CTS
Clear to Send
9
Ri
Ring
Indicator
A26361-D858-Z120-6-7619
53
Interface pinouts and interrupts
Serial interface 2 (optional)
1
2
9
10
Pin
Signal
name
Meaning
1
DCD
Data Carrier Detect
2
TxD
Transmit
Data
3
Signal
Ground
Ground
4
RTS
Request to Send
5
Ri
Ring
Indicator
6
RxD
Receive
Data
7
DTR
Data Terminal Ready
8
DSR
Data Set Ready
9
CTS
Clear to Send
10
Not
connected
free
PS/2 mouse port (optional)
1
4
2
3
5
6
Pin Meaning
1 Mouse
data
2 not
used
3
0 V
4
+5 V
5 Mouse
clock
6 not
used
54
A26361-D858-Z120-6-7619