Datasheet

Electrical Characteristics
R
174 Datasheet
Signal
Group
Signal Type Signals Notes
Hub Interface Signal Groups
(l) CMOS
HI Inputs/Outputs
HL[10:0], HLSTB, HLSTB#
(m) Analog/Ref
HI Miscellaneous
HLRCOMP, PSWING, HLVREF
DDR SDRAM Interface Signal Groups
(n) SSTL_2
DDR Input/Outputs
SDQ[63:0], SDQS[7:0]
(o) SSTL_2
DDR Outputs
SCS[3:0]#, SMA[12:0], SBA[1:0], SRAS#, SCAS#, SWE#,
SCKE[3:0], SMAB[5,4,2,1], SDM[7:0]
(p) Analog/Ref
DDR Miscellaneous
SMVREF_0, SMVSWINGH, SMVSWINGL, SMRCOMP
Clocks, Reset, and Miscellaneous Signal Groups
(q) CMOS
Inputs
RSTIN#(3.3V), PWROK, EXTTS_0
(r) CMOS
Outputs
AGPBUSY#,PANELVDDEN, PANELBKLTEN,
PANELBKLTCTL, LCLKCTLA, LCLKCTLB, HSYNC,
VSYNC
(q),(r) CMOS DDC/I
2
C
Input/Outputs
DDCADATA, DDCPDATA, DDCACLK, DDCPCLK
(t) CMOS
Clock Inputs
GCLKIN
(u) CMOS
Clock Outputs
SCK[5:0], SCK[5:0]#
(w) 1.5 V
Clock Inputs
DPMS
(x) DVO
Clock Outputs
DVOCCLK, DVOCCLK#, DVOBCLK, DVOBCLK#
(z) CMOS
Low Voltage Differential
Inputs
BCLK, BCLK#
(a1) LVTTL
Inputs
DREFCLK, DREFSSCLK
(b1) LVDS
Clock Outputs
ICLKAP, ICLKAM, ICLKBP, ICLKBM
I/O Buffer Supply Voltages/Grounds (Intel 855GME GMCH Only)
(n1) 1.35 V
Core
VCC
(p1) 1.35 V
Hub Interface
VCCHL
(s1) 1.35 V
PLL
VCCAGPLL, VCCAHPLL, VCCADPLLA, VCCADPLLB