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COM1/2/3/4 definition:
Position symbol: COM2 COM3 COM4 (2*5Pin,2.54mm)
pin position symbol drawing
pin
definition
pin
definition
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
10
NC
COM1
interface
2.7 USB pin definition:
Position symbol: F_USB2 F_USB3 (2*5Pin,2.54mm)
pin position symbol drawing
pin
definition
pin
definition
1
VCC+5V
2
VCC+5V
3
DATA0-
4
DATA1-
5
DATA0+
6
DATA1+
7
GND
8
GND
9
NC
10
GND
2.8 Audio interface and pin definition:
Position symbol: F_AUDIO1 (2*5Pin,2.54mm)
pin position symbol drawing
pin
definition
pin
definition
1
MIC-L
2
GND
3
MIC-R
4
NC
5
LINE OUT-R
6
MIC_JD
7
FAUDIO_JD
8
NC
9
LINE OUT-L
10
LINE_JD
2.9 Speaker(Power Amplifier) pin definition:
Position symbol: JAMP1 (1*4Pin,2.0mm)
pin position symbol drawing
pin
definition
1
L+
2
L-
3
R-
4
R+
Summary of Contents for EM218
Page 5: ...5 2 COM...