QG82945GSE S LB2R Intel, QG82945GSE S LB2R Datasheet - Page 402

• Manufacturer Part Number: QG82945GSE S LB2R
• Description: GRAPHICS AND MEM CNTRL HUB; No. of Pins: 998; Package / Case: FCBGA; Interface Type: PCI, SATA, USB
• Manufacturer: Intel

11.3
Table 51.
402
Host Interface Signal Groups
(a)
(b)
(c)
(d)
(e)
Signal
Group
AGTL+
Input/Outputs
AGTL+
Common Clock Outputs
CMOS Output
AGTL+
Asynchronous Input
Analog Host I/F Ref & Comp.
Signals
Signal Groups
The signal description includes the type of buffer used for the particular signal:
Signal Groups for Mobile Intel 945GM/GME/PM, 943/940GML and Intel 945GT
Express Chipset (Sheet 1 of 4)
AGTL+
Analog
DDR2
DMI
HVCMOS
LVDS
PCI Express* GFX/
Serial DVO
Ref
SSTL-1.8
Signal Type
Advanced GTL+ interface signal
Analog signal interface
DDR2 system memory (1.8 V CMOS buffers)
Direct Media Interface
Low voltage differential signal interface
PCI Express Graphics/Serial DVO interface signals. These signals are
compatible with current PCI Express* Base Specification signaling
environment AC specifications. The buffers are not 3.3 V tolerant.
Voltage reference signal
3.3-V tolerant high voltage CMOS buffers
1.8-V tolerant stub series termination logic
HADS#, HBNR#, HBREQ0#,HDBSY#,
HDRDY#, HDINV[3:0]#, HA[31:3]#,
HADSTB[1:0]#,
HD[63:0]#,HDSTBP[3:0]#,
HDSTBN[3:0]#, HHIT#, HHITM#,
HREQ[4:0]#, THERMTRIP#,
HBPRI#, HCPURST#, HDEFER#, HTRDY#,
HRS[2:0]#, HDPWR#
HCPUSLP#
HLOCK#
HVREF, HXSWING, HYSWING, HXRCOMP,
HXSCOMP, HYRCOMP, HYSCOMP
Signals
Electrical Characteristics
CMOS Type
Buffer with Vtt
Notes
Datasheet