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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

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