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ATI 690 Series User Manual
3.6 Additional USB Port Headers
3.7 Serial Port Header
This COM1 header supports a serial port module.
Pin
Pin Assignment
Pin
Pin Assignment
1
VCC
2
VCC
3
Data 0-
4
Data 1-
5
Data 0+
6
Data 1+
7
Ground
8
Ground
10
NC
FUSB1 FUSB2
,
1
2
9
10
Pin
Pin Assignment
Pin
Pin Assignment
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
CTS
8
RTS
9
RI