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2.7.13 Serial port 3/4/5/6 connector (COM3/4/5/6)
Quick Reference Guide
Signal
COM_DCD#_3
COM_TXD_3
GND
COM_RTS#_3
COM_RI#_3
COM_DCD#_4
COM_TXD_4
GND
COM_RTS#_4
COM_RI#_4
COM_DCD#_5
COM_TXD_5
GND
COM_RTS#_5
COM_RI#_5
COM_DCD#_6
COM_TXD_6
GND
COM_RTS#_6
COM_RI#_6
LPC-1511 Quick Reference Guide 27
PIN PIN
Signal
1
2
COM_RXD_3
3
4
COM_DTR#_3
5
6
COM_DSR#_3
7
8
COM_CTS#_3
9
10
NC
11
12
COM_RXD_4
13
14
COM_DTR#_4
15
16
COM_DSR#_4
17
18
COM_CTS#_4
19
20
NC
21
22
COM_RXD_5
23
24
COM_DTR#_5
25
26
COM_DSR#_5
27
28
COM_CTS#_5
29
30
NC
31
32
COM_RXD_6
33
34
COM_DTR#_6
35
36
COM_DSR#_6
37
38
COM_CTS#_6
39
40
NC
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