307013-003 Datasheet, PDF (812/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

Electrical Characteristics
Table 23-21. SPI Timings (Desktop and Mobile Only)
Sym
Parameter
Min
t180 Serial Clock Frequency
17.3
t182 Duty cycle at the host
40
t183
Tco of SPI_MOSI with respect to serial
clock falling edge at the host
-5
t184
Setup of SPI_MISO with respect to serial
clock falling edge at the host
16
t185
Hold of SPI_MISO with respect to serial
clock falling edge at the host
0
t186
Setup of SPI_CS# assertion with respect
to serial clock rising at the host.
30
t187
Hold of SPI_CS# deassertion with respect
to serial clock falling at the host.
30
NOTES:
1. The typical clock frequency driven by the ICH7 is 17.9 MHz.
Max
18.4
60
13
Units Notes Figures
MHz
1
%
23-32
ns
23-32
—
ns
23-32
—
ns
23-32
—
ns
23-32
—
ns
23-32
Table 23-22. (Power Sequencing and Reset Signal Timings (Sheet 1 of 2)
Sym
Parameter
Min
Max Units
t200 VccRTC active to RTCRST# inactive
18
—
ms
t201 V5REF_Sus active to VccSus3_3 active
0
—
ms
t202 VccSus3_3 active to VccSus1_05 active
—
—
—
t203
VccRTC supply active to VccSus supplies
active
0
—
ms
VccSus supplies active to LAN_RST#
t204 ^{inactive, RSMRST# inactive}
(Desktop Only)
10
—
ms
VccSus supplies active to RSMRST#
t205 ^inactive
(Mobile/Ultra Mobile Only)
5
—
ms
VccLAN3_3 active to VccLAN1_05 active
t206
—
—
—
(Mobile Only)
VccSus supplies active to VccLAN supplies
t207 ^active
0
(Mobile Only)
—
ms
VccLAN supplies active to LAN_RST#
t208 ^inactive
(Mobile Only)
10
—
ms
t209 V5REF active to Vcc3_3 active
0
—
ms
t211 Vcc1_5 active to V_CPU_IO active
—
—
—
Notes
1
2
3
Fig
23-18
23-19
23-18
23-19
23-18
23-19
23-18
23-19
23-18
23-20
23-19
23-21
4
23-19
5
23-19
23-19
1
23-18
23-19
6
23-18
23-19
812
Intel ^® ICH7 Family Datasheet