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LG GWA-4164B Service Manual page 67

Dvd/cd rewritable drive
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Pin
Pin Name
Number
201
NCE
202
TX
P16
203
NEJECT
204
TRYLOAD
P26
205
SDATA
206
SCLOCK
207
DASPST
TRCDATA0
208
MSTPOL
TRCDATA1
209
VSS
210
OSCI
211
OSCO
212
VDD3
P17
213
TRCDATA2
EXTRIG1
214
TRCCLK
P20
215
TRCST
P21
216
NRST
I/O
Connection
Target
O
FLASH
I/O
-
I/O
Mecha
I/O
Mecha
I/O
-
I/O
-
I/O
-
I/O
-
GND
GND
I
Xtal
O
Xtal
Power supply Power supply
I/O
-
I/O
-
I/O
-
I
Reset IC
Description
Flash ROM chip enable signal
IEC958-compliant digital output, debugging serial TX
General-purpose I/O
Tray eject signal (SODC external interrupt)
Tray eject signal (SODC external interrupt)
General-purpose I/O
Debugger data, DRC monitor 0
Debugger clock, DRC monitor 1
DASP setting
Trace data 0
MASTER pin polarity switch
Trace data 1
Digital Vss
Oscilator input (16.9344MHz)
Oscilator output
I/O pad V
(3.3V)
DD
General-purpose I/O
Trace data 2
External interrupt
Trace clock
General-purpose I/O
Trace status
General-purpose I/O
Reset input (power on reset)
71

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