W83977F Datasheet, PDF (165/181 Pages) Winbond – PLUG & PLAY 1.0A COMPLIANT

W83977F/ W83977AF
11.3.10 GPIO, ACPI, ROM Interface Timing Parameters
PRELIMINARY
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
t_WGO
t_SWP
t_SWE
Write data to GPIO update
300(Note 1)
ns
SWITCH pulse width
16
msec
Delay from SWITCH events to PSCTRL , and from
14
SWITCH Off event to SMI
16
msec
t_PORW
SMI pulse width (edge mode)
30
90
µs
t_POWR
Delay from APCI Reg.1 write to SMI inactive
(level mode)
-
25
nsec
t_RIO
Delay from RIA,B KCLK, MCLK, PWAKIN1,
-
25
nsec
PWAKIN2 to PSCTRL
t_RPO
Delay from PHRI pulse to PSCTRL
-
25
sec
t_RTO
Delay from PHRI pulse train to PSCTRL
0.125
0.190
sec
t_RINW
PHRI width (high and low time)
10
-
ns
Note : Refer to Microprocessor Interface Timing for Read Timing.
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Publication Release Date: March 1998
Revision 0.58