HCD-GZR7D/GZR8D/GZR9D
89
Pin No.
Pin Name
I/O
Description
147
CKE
O
DRAM clock enable output
148
DVSS
—
Ground pin for internal digital circuitry
149
RA11
O
DRAM address output bit 11
150 to 155
RA9 to RA4
O
DRAM address output bit 9 to 4
156
DVDD3
—
Power supply pin (+3.3 V) for internal digital circuitry
157
MUTE123
O
Mute signal output for other motor drivers (SL, TRK, FCS)
158
MUTE
O
Mute signal output for spindle motor driver
159
DDC_DA
I/O
HDMI DDC line SDA
160
DVDD18
—
Power supply pin (+1.8 V) for internal digital circuitry
161
DDC_CLK
I/O
HDMI DDC line CLK
162
HTPLG
I
Hot plug detection input
163
AGND3
—
Analog ground pin for HDMI TX
164
EXT_RES
I
External resistor for HDMI TX
165, 166
AVDD3
—
Analog power supply pin (+3.3 V) for HDMI TX
167
EXT_CAP
I
External capacitor for HDMI TX
168
AGND3
—
Analog ground pin for HDMI TX
169
AGND18
—
Analog ground pin for HDMI TX
170
TXCN
O
Negative TX CLK output (Not used in this set)
171
TXCP
O
Positive TX CLK output (Not used in this set)
172
AVDD18
—
Analog power supply pin (+1.8 V) for HDMI TX
173
TX0N
O
Negative TX 0CH output (Not used in this set)
174
TX0P
O
Positive TX 0CH output (Not used in this set)
175
AGND18
—
Analog ground pin for HDMI TX
176
TX1N
O
Negative TX 1CH output (Not used in this set)
177
TX1P
O
Positive TX 1CH output (Not used in this set)
178
AVDD18
—
Analog power supply pin (+1.8 V) for HDMI TX
179
TX2N
O
Negative TX 2CH output (Not used in this set)
180
TX2P
O
Positive TX 2CH output (Not used in this set)
181
AGND18
—
Analog ground pin for HDMI TX
182
R/Cr/Pr
O
Red or CR output
183
B/Cb/Pb
O
Blue or CB output
184
DACVSSA
—
Ground pin for video DAC circuitry
185
Y/G
O
Green or Y output
186
DACVDDA
—
Power supply pin (+3.3 V) for video DAC circuitry
187
CVBS
O
Analog composite output
188
DACVSSB
—
Ground pin for video DAC circuitry
189
C
O
Analog chroma output
190
DACVDDB
—
Power supply pin (+3.3 V) for video DAC circuitry
191
Y
O
Analog Y output
192
DACVSSC
—
Ground pin for video DAC circuitry
193
FS
I
Full scale adjustment input
194
VREF
I
Bandgap reference voltage (Not used in this set)
195
DACVDDC
—
Power supply pin (+3.3 V) for video DAC circuitry
196
VBUS_OE
O
VBUS control output enable output (L: output disable, H: output enable)
197
VBUS_OC
I
VBUS control over current input (L: over, H: non over)
198
SCORE
I
Calculation input of SCORE
199
DAC_SDA
I
SDA input from DIR
200
DAC_SCL
I
SCL input from DIR
201
SPLRCK
I
LRCK input from DIR (Fixed at L in this set)
202
SPDATA
I
Audio data input from DIR (Fixed at L in this set)
203
ACLK
O
Master clock output for audio DAC
204
ABCK
O
Audio bit clock output
205
ALRCK
O
Audio left/right channel clock output
206
ADIN
I
External analog audio data input
207
DVDD3
—
Power supply pin (+3.3 V) for video DAC digital circuitry
208
MIC
I
Karaoke microphone detection signal input (L: mic removed, H: mic exist)
