W83977G-A Nuvoton Technology Corporation of America, W83977G-A Datasheet - Page 163

• Manufacturer Part Number: W83977G-A
• Description: IC I/O CONTROLLER 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83977G-A

• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

14.3.10 GPIO, ACPI, ROM Interface Timing Parameters
Note : Refer to Microprocessor Interface Timing for Read Timing.
t
t
t
t
t
t
t
t
t
SYMBOL
WGO
SWP
SWE
PORW
POWR
RIO
RPO
RTO
RINW
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
Write data to GPIO update
SWITCH pulse width
Delay from SWITCH events to PSCTRL , and
from SWITCH Off event to SMI
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)
SMI pulse width (edge mode)
PARAMETER
-155 -
0.125
Publication Release Date: May 2006
MIN.
16
14
30
10
-
-
-
300(Note 1)
0.190
MAX.
16
90
25
25
25
-
Revision 0.60
msec
msec
UNIT
nsec
nsec
sec
sec
ns
μ s
ns