W83977F-A Datasheet, PDF (163/182 Pages) Winbond – WINBOND I/O

W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
14.3.10 GPIO, ACPI, ROM Interface Timing Parameters
SYMBOL
t_WGO
t_SWP
t_SWE
t_PORW
t_POWR
t_RIO
t_RPO
t_RTO
t_RINW
PARAMETER
Write data to GPIO update
SWITCH pulse width
Delay from SWITCH events to PSCTRL , and
from SWITCH Off event to SMI
SMI pulse width (edge mode)
Delay from APCI Reg.1 write to SMI inactive
(level mode)
Delay from RIA,B KCLK, MCLK, PWAKIN1,
PWAKIN2 to PSCTRL
Delay from PHRI pulse to PSCTRL
Delay from PHRI pulse train to PSCTRL
PHRI width (high and low time)
Note : Refer to Microprocessor Interface Timing for Read Timing.
MIN.
16
14
30
-
-
-
0.125
10
MAX.
300(Note 1)
16
90
25
25
25
0.190
-
UNIT
ns
msec
msec
μs
nsec
nsec
sec
sec
ns
-155 -
Publication Release Date: May 2006
Revision 0.60