3.10 Serial Port Connectors
The 3302670 offers one NS16C550 compatible UARTs with
Read/Receive 16-byte FIFO serial ports and two internal 10-pin
headers.
z
CN5: COM1 Connector (5x2 Header)
PIN Description PIN Description
1
DCD0
2
DSR0
3
RXDD0
4
RTS0
5
TXDD0
6
CTS0
7
DTR0
8
RI0
9
GND
10
N/C
DCD0
1
RXDD0
3
TX DD0
5
DT R0
7
2
DSR0
4
RTS0
6
CTS0
8
RI0
G ND
9
10 N/C
z
CN4: COM2 Connector (5x2 Header)
PIN Description PIN Description
1
DCD1
2
DSR1
3
RXDD1
4
RTS1
5
TXDD1
6
CTS1
7
DTR1
8
RI1
9
GND
10
N/C
DCD1
1
RXDD1
3
TX DD1
5
DT R1
7
2
DSR1
4
RTS1
6
CTS1
8
RI1
G ND
9
10 N/C
14
Summary of Contents for 3302670
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