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3.4 Serial Ports
SAGP-845EV offers two high speed NS16C550 compatible
UARTs with Read/Receive 16-byte FIFO serial ports.
•
COM1 10-pin Connector
PIN NO. DESCRIPTION
1 DATA CARRIER DETECT (DCD)
2 RECEIVE DATA (RXD)
3 TRANSMIT DATA (TXD)
4 DATA TERMINAL READY (DTR)
5 GROUND
6 DATA SET READY (DSR)
7 REQUEST TO SEND (RTS)
8 CLEAR TO SEND (CTS)
9 RING INDICATOR (RI)
10 NC
1
6
5
1
0