1 lpc 17 series connector mapping – Avalue LPC-1705 User Manual
Page 14
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LPC-17 Series
14 LPC-17 Series Quick Reference Guide
2.1 LPC 17 Series connector mapping
2.1.1 Serial Port 1 connector (COM1)
In RS-232 Mode
Signal
PIN PIN
Signal
DCD1
1
2
RxD1
TxD1
3
4
DTR1
GND
5
6
DSR1
RTS1
7
8
CTS1
RI1
9
NC
In RS-422 Mode
Signal
PIN PIN
Signal
TxD1-
1
2
RxD1+
TxD1+
3
4
RxD1-
GND
5
6
NC
NC
7
8
NC
NC
9
NC
In RS-485 Mode
Signal
PIN PIN
Signal
DATA1-
1
2
NC
DATA1+
3
4
NC
GND
5
6
NC
NC
7
8
NC
NC
9
NC
-
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