W83697HFFDC Information Storage Devices, Inc, W83697HFFDC Datasheet - Page 91

• Manufacturer Part Number: W83697HFFDC
• Description: LPC Interface I/o Plus Game/midi Port, Fan Control, Flash ROM I/f
• Manufacturer: Information Storage Devices, Inc

8. ACPI REGISTERS FEATURES
W83697HF supports both ACPI and legacy power managements.
management block generates an SMI interrupt in the legacy mode and an PME interrupt in the ACPI
mode. The new ACPI feature routes SMI /
SMI /
SMI / PME logic routes to PME only when both PME_EN = 1 and SMIPME_OE = 1.
PME
logic routes to SMI only when both PME_EN = 0 and SMIPME_OE = 1. Similarly, the
IRQ events
Global STBY
Device Trap
Device Idle
Timers
Timer
SMI /
PME
Logic
IRQs
PME
- 82 -
State machine
PME_EN
Sleep/Wake
logic output either to SMI
0
1
SMIPME_OE
SMIPME_OE
Publication Release Date: Feb. 2002
The switch logic of the power
WAK_STS
Clock
Control
W83697HF/F
SMI
PME
or to
Revision 0.70
PME
.The