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W83977EF-AW Datasheet(PDF) 85 Page - Winbond |
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W83977EF-AW Datasheet(HTML) 85 Page - Winbond |
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85 / 142 page  W83977EF-AW/W83977EG-AW Publication Release Date: Apr. 2006 -83- Revision 1.2 11. ACPI REGISTERS FEATURES W83977EF/EG supports both ACPI and legacy power managements. The switch logic of the power management block generates an SMI# interrupt in the legacy mode and an SCI# interrupt in the ACPI mode. The new ACPI feature routes SMI#/SCI# logic output either to SMI# or toSCI#. The SMI#/SCI# logic routes to SMI# only when both SCI_EN = 0 and SMISCI_OE = 1.Similarly, the SMI#/SCI# logicroutes to SCI# only when both SCI_EN = 1 and SMISCI_OE = 1. Device Idle Timers Device Trap Timer Sleep/Wake State machine WAK_STS Clock Control SCI# SMI# Global STBY IRQs Logic IRQ events SCI_EN SMISCI_OE SCI# SMI# / 0 1 SMISCI_OE |
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