82801BA Datasheet, PDF (456/498 Pages) Intel Corporation – Intel 82801BA I/O Controller Hub 2 (ICH2) and Intel 82801BAM I/O Controller Hub 2 Mobile

Electrical Characteristics
Table 16-19. Power Management Timings
Sym
Parameter
Min
t181
VccSus active to SLP_S3#, SLP_S5#,
SUS_STAT# and PCIRST# active
t182
t183
RSMRST# inactive to SUSCLK running,
SLP_S3#, SLP_S5# inactive
t184 Vcc active to STPCLK#, CPUSLP#, inactive,
(ICH2) and processor Frequency Strap signals high
t184
(ICH2-M)
Vcc active to STPCLK#, CPUSLP#,
STP_CPU#, STP_PCI#, SLP_S1, C3_STAT#
inactive, and CPU Frequency Strap signals high
t185
PWROK and VRMPWRGD active to
SUS_STAT# inactive and processor Frequency 32
Straps latched to Strap Values
t186
Processor Reset Complete to Frequency Strap
signals unlatched from Strap Values
7
t187 STPCLK# active to Stop Grant cycle
N/A
t188
(ICH2)
Stop Grant cycle to CPUSLP# active
60
t188a
(ICH2-M)
Stop Grant cycle to C3_STAT# active
0
t188b
(ICH2-M)
C3_STAT# active to CPUSLP# active
2.8
t189
(ICH2)
S1 Wake Event to CPUSLP# inactive
1
t190 CPUSLP# inactive to STPCLK# inactive
204
t192
(ICH2)
CPUSLP# active to SUS_STAT# active
2
t192a
(ICH2-M)
CPUSLP# active to STP_CPU# active
16
t192b
(ICH2-M)
STP_CPU# active to SUS_STAT# active
2
t193
(ICH2)
SUS_STAT# active to PCIRST# active
9
t193a
(ICH2-M)
SUS_STAT# active to STP_PCI# active
2
t193b
(ICH2-M)
STP_PCI# active to SLP_S1# active
2
t193c
(ICH2-M)
SLP_S1# active to PCIRST# active, STP_PCI#
inactive, SLP_S1# inactive, and STP_CPU#
inactive
5
t194 PCIRST# active to SLP_S3# active
1
Max Units
50
ns
Notes
110
ms 7
50
ns
50
ns
34 RTCCLK 1
9
CLK66 2
N/A
3
63 PCICLK 4
6 PCICLK
4
us
25 PCICLK 4
237
us
4 RTCCLK 1
PCICLK
4
4 RTCCLK
1
15 RTCCLK 1
4 RTCCLK
1
4 RTCCLK
1
7 RTCCLK
1
2 RTCCLK 1
Fig
16-21,
16-22
16-21,
16-22
16-21,
16-25
16-20
16-22
16-21,
16-22
16-21,
16-22
16-23,
16-24
16-25,
16-26
16-25,
16-25
16-23,
16-26,
16-28
16-23,
16-26,
16-28
16-23
16-23,
16-25
16-25
16-23,
16-26,
16-28
16-23,
16-26,
16-25
16-23,
16-26,
16-23,
16-26,
16-23,
16-26,
16-25,
16-26
16-16
82801BA ICH2 and 82801BAM ICH2-M Datasheet