LG GSA-4167B User Manual
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69
Power Supply/GND Pin List
Pin Name
Pin No.
I/O
Function
VDD
28,41,72,
PW
DSP core power supply (1.5V)
130,146
VCCR
2,53
PW
SDRAM power supply (3.3V)
VCCRQ
8,26
SDRAM I/O power supply (3.3V)
VDDAA
159
PW
1.5V system analog power supply (1.5V) WPLL1,2
189,193,197
1.5V system analog power supply (1.5V) PRML A/D Data PLL
VCCA
99
PW
Analog power supply (3.3V):AUDIO / ADIP
108
Analog power supply (3.3V):PLL multiplication
139
Analog power supply (3.3V):LVDS
166
Analog power supply (3.3V):WPLL1,2
185
Analog power supply (3.3V):Servo A/D D/A
186
Analog power supply (3.3V):PRML A/D Data PLL
VCC
199
PW
Digital power supply (3.3V):PRML A/D Data PLL
VCCIO
7,32,52,
PW
DSP I/O power supply (3.3V)
58,75,88,
133,148,200
VSS
27,42,73,
GND
DSP core GND
131,145
VSSR
1,54
GND
SDRAM GND
VSSRQ
11,22
GND
SDRAM I/O GND
VSSA
104
GND
Analog GND:AUDIO / ADIP
105
Analog GND:PLL multiplication
144
Analog GND:LVDS
167
Analog GND:WPLL1,2
168
Analog GND:Servo A/D D/A
187,191,195
Analog GND:PRML A/D Data PLL
VSSAA
158
GND
1.5V system analog GND:WPLL1,2
VSSIO
6,31,51,
GND
DSP I/O GND
57,74,87,
Connected SDRAM I/O GND through 6,31pin
132,147,201