7-4
Pin No.
Pin Name
I/O
Function
142
GPIO4
I
LINE IN/OUT selection input
143
GPIO3
I
LCD OPEN Switch input
144
GPIO2
I
Video Jack detection input
145
DVSS
–
Ground pin
146
GPIO1
I
Audio Jack detection input
147
GPIO0
I
Headphone Jack detection input
148
ABCK
O
Audio serial clock
149
ALRCK
O
Audio left/right channel clock
150
DVDD3
–
D+3.3v
151
ACLK
I
Audio DAC master clock
152
MC_DATA
I
nc
153
ASPDIF
O
SPDIF output
154
ASDAT0
O
Audio serial data0(left/right channel)
155
ASDATA1
I/O
nc
156
ASDATA2
I/O
nc
157
/A_MUTE
O
LINE, Headphone audio mute
158
VRST
O
DAC reset control
159
DACVDDC
–
D+3.3v
160
VREF
I
Bandgap reference voltage
161
FS
O
Full scale adjustment
162
YUV0/CIN
O
nc
163
DACVSSC
–
Ground pin
164
VIDEO_C
O
Analog chroma output
165
DACVDDB
–
D+3.3v
166
VIDEO_Y
O
Analog Y output
167
DACVSSB
–
Ground pin
168
CVBS
O
Analog composite output
169
DACVDDA
–
D+3.3v
170
YUV4/G
O
nc
171
DACVSSA
–
Ground pin
Front maicro controller chip select
180
SPMCLK
I
nc
181
SPDATA
I
nc
182
DVDD2
–
D+2.5v
183
SPLRCK
I
nc
184
SPBCK
I
nc
185
DVDD3
–
D+3.3v
186
XTALO
O
Crystal output
187
XTALI
I
Crystal input
188
URST
I
Power on reset input, active high
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