JG82855GMESL7VN Datasheet, PDF (49/213 Pages) Intel Corporation – Intel® 855GM/855GME Chipset Graphics and Memory Controller Hub (GMCH)

Signal Descriptions
R
Signal Name
PSWING
HLVREF
VCCHL
DVO
DVORCOMP
GVREF
VCCDVO
GPIO
VCCGPIO
DAC
REFSET
VCCADAC
VSSADAC
LVDS
LIBG
VCCDLVDS
VCCTXLVDS
VCCALVDS
VSSALVDS
Clocks
VCCAHPLL
VCCAGPLL
VCCADPLLA
VCCADPLLB
Core
VCC
VSS
Type
Analog
Ref
Analog
Power
Description
RCOMP reference voltage: This is connected to the RCOMP buffer differential
amplifier and is used to calibrate the buffers.
Input buffer VREF: Input buffer differential amplifier to determine a high versus low
input voltage.
Power supply for Hub interface buffers
Analog
Analog
Ref Analog
Power
Compensation for DVO: This signal is used to calibrate the DVO I/O buffers.
Input buffer VREF: Input buffer differential amplifier to determine a high versus low
input voltage.
Power supply for DVO.
Power
Power supply for GPIO buffers
Ref
Analog
Power
Power
Resistor Set: Set point resistor for the internal color palette DAC.
Power supply for the DAC
Ground supply for the DAC
Analog
Power
Power
Power
Power
LVDS reference current: signal connected to reference resistor.
Digital power supply.
Data/Clk Tx power supply.
Analog power supply.
Ground supply for LVDS.
Power
Power
Power
Power
Power supply for the Host PLL.
Power supply for the Hub/DVO PLL.
Power supply for the display PLL A.
Power supply for the display PLL B.
Power
Power
Power supply for the core.
Ground supply for the chip.
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Datasheet
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