LG GWA-4164B Service Manual page 67

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)
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