W83627EHF_0611 Datasheet, PDF (140/144 Pages) Winbond – WINBOND LPC I/O

W83627EHF/EF, W83627EHG/EG
** What’s the definition of last state when AC power failure?
1) Last state is “ON”
VCC is falling to 2.6V and SUSB# keeps VIH 2.0V
VCC
SUSB#
2) Last state is “OFF”
VCC is falling to 2.6V and SUSB# keeps VIL 0.8V
VCC
SUSB#
To prevent that VCC goes down faster than VSB in various ATX Power Supply.
W83627EHF/EF,W83627EHG/EG add the “user define mode” option for AC power loss pre-state.
BIOS can set the pre-state that is “On” or “Off” state, because the status of AC power resume
depends on it.
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