13
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 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
•
COM2 10-pin Connector
PIN 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
10
1
6
5
10
Содержание PSB Form Factor Board SAGP-845EV
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