307013-003 Datasheet, PDF (92/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Intel^® ICH7 Pin States
Table 3-5.
Power Plane for Input Signals for Desktop Only Configurations (Sheet 3 of 3)
Signal Name
Power Well Driver During Reset
S1
S3_COLD1 S4/S5
WAKE#
Suspend
External Pull-up
Driven
Driven
Driven
SPI_MISO
Suspend
External Pull-up
Driven
Driven
Driven
SPI_ARB
Suspend
Internal Pull-down
Low
Low
Low
NOTES:
1.
In S3_HOT, signal states are platform implementation specific, as some external components
and interfaces may be powered when the ICH7 is in the S3_HOT state.
2.
These signals can be configured as outputs in GPIO mode.
Table 3-6. Power Plane for Input Signals for Mobile/Ultra Mobile Only Configurations
(Sheet 1 of 3)
Signal Name
Power
Well
Driver During Reset C3/C4
S1
S3_COLD1 S4/S5
A20GATE
ACZ_BIT_CLK
(AC ‘97 mode)
(Mobile Only)
ACZ_SDIN[2:0]
(AC ‘97 mode)
(Mobile Only)
ACZ_SDIN[2:0]
(Intel^® High
Definition Audio
Mode)
BM_BUSY# /
GPIO0¹
BATLOW#
CLK14
CLK48
DDREQ
DMI_CLKP
DMI_CLKN
EE_DIN
(Mobile Only)
FERR#
PERp[6:1],
PERn[6:1]
(Mobile Only)
DMI[3:0]RXP,
DMI[3:0]RXN
IDEIRQ
INTRUDER#
INTVRMEN
(Mobile Only)
Core
Core
External
Microcontroller
AC ’97 Codec
Static Static
Low
Driven
Low
Low
Suspend
AC ’97 Codec
Driven
Low
Low
Suspend
Intel^® High Definition
Audio Codec
Driven
Low
Low
Core
Suspend
Core
Core
Core
Core
Graphics Component
[(G)MCH]
Power Supply
Clock Generator
Clock Generator
IDE Device
Driven
High
High
High
Running Running
Running Running
Driven Static
Clock Generator
Running Running
Low
High
Low
Low
Low
Low
LAN
Core
EEPROM Component
Processor
Driven
Static
Driven
Static
Note 2
Low
Core
PCI Express* Device Driven Driven Driven
Core
Core
RTC
RTC
(G)MCH
Driven
IDE
External Switch
External Pull-up or Pull-
down
Driven
Driven
Driven
Driven
Static
Driven
Driven
Low
Low
Driven
Driven
Low
Low
Low
Low
Low
High
Low
Low
Low
Low
Note 2
Low
Driven
Low
Low
Driven
Driven
92
Intel ^® ICH7 Family Datasheet