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307013-003 Datasheet, PDF (811/848 Pages) Intel Corporation – Intel I/O Controller Hub 7
Electrical Characteristics
Table 23-18. AC ’97 / Intel® High Definition Audio Timing
Sym
Parameter
Min Max Units Notes Figures
t140
ACZ_SDIN[2:0] Setup to Falling Edge of
ACZ_BIT_CLK
10 —
ns
1
23-30
t141
ACZ_SDIN[2:0] Hold from Falling Edge of
ACZ_BIT_CLK
10 —
ns
1
23-30
t142
ACZ_SYNC, ACZ_SDOUT valid delay from rising
edge of ACZ_BIT_CLK
—
15
ns
1
23-30
t143
Time duration for which ACZ_SDOUT is valid
before ACZ_BIT_CLK edge.
7
—
ns
2
23-31
t144
Time duration for which ACZ_SDOUT is valid
after ACZ_BIT_CLK edge.
7
—
ns
2
23-31
t145
Setup time for ACZ_SDIN[2:0] at rising edge of
ACZ_BIT_CLK
15
—
ns
2
23-31
t146
Hold time for ACZ_SDIN[2:0] at rising edge of
ACZ_BIT_CLK
0
—
ns
2
23-31
NOTES:
1. Audio link operating in AC ‘97 mode. (Desktop and Mobile Only)
2. Audio link operating in Intel High Definition Audio mode.
Table 23-19. LPC Timing
Sym
Parameter
t150 LAD[3:0] Valid Delay from PCICLK Rising
t151
LAD[3:0] Output Enable Delay from PCICLK
Rising
t152 LAD[3:0] Float Delay from PCICLK Rising
t153 LAD[3:0] Setup Time to PCICLK Rising
t154 LAD[3:0] Hold Time from PCICLK Rising
t155 LDRQ[1:0]# Setup Time to PCICLK Rising
t156 LDRQ[1:0]# Hold Time from PCICLK Rising
t157 LFRAME# Valid Delay from PCICLK Rising
Min
2
Max
11
2
—
—
28
7
—
0
—
12
—
0
—
2
12
Units
ns
ns
ns
ns
ns
ns
ns
ns
Notes Figures
23-2
23-6
23-4
23-3
23-3
23-3
23-3
23-2
Table 23-20. Miscellaneous Timings
Sym
Parameter
t160 SERIRQ Setup Time to PCICLK Rising
t161 SERIRQ Hold Time from PCICLK Rising
t162
RI#, EXTSMI#, GPIO, USB Resume Pulse
Width
t163 SPKR Valid Delay from OSC Rising
t164 SERR# Active to NMI Active
t165 IGNNE# Inactive from FERR# Inactive
1
Min
7
0
Max
—
—
Units
ns
ns
Notes Figures
23-3
23-3
2
— RTCCLK
23-5
— 200
ns
— 200
ns
— 230
ns
23-2
Intel ® ICH7 Family Datasheet
811