J5:USB (USB2): For connection to external –4-pin USB Type
1 Connector
Pin #
SignalName
1
VCC
2
USB2-
3
USB2+
4
GND
5
GGND
6
GGND
USB J11: MIC_IN – 5-pin RCA Phone Jack device
Pin #
SignalName
1
GND
2
AUD MIC
3
GND
4
GND
5
REF
J13: Line-out – 5-pin Phone Jack
Pin #
SignalName
1
GND
2
LOUT L
3
NC
4
NC
5
LOUT R
J9: COM1 - 9-pin Dsub Connector
Pin
#
SignalName Pin
#
SignalName
1
DCD1
2
RXD1
3
TXD1
4
DTR1
5
GND
6
DSR1
7
RTS1
8
CTS1
9
RI1