w83l517g Winbond Electronics Corp America, w83l517g Datasheet - Page 123

• Manufacturer Part Number: w83l517g
• Description: Winbond Lpc I/o For Notebook W83l517d/ W83l517d-f
• Manufacturer: Winbond Electronics Corp America

CRF3 (PLED mode register. Default 0x00)
Bit 7 ~ 3 : Reserved .
Bit 2: select WDTO count mode.
Bit 1 ~ 0: select PLED mode
CRF4 (Default 0x00)
Watch Dog Timer Time-out value. Writing a non-zero value to this register causes the counter to load
the value to Watch Dog Counter and start counting down. Reading this register returns current value
in Watch Dog Counter instead of Watch Dog Timer Time-out value.
Bit 7 - 0:
CRF5 (Default 0x00)
Bit 7 ~ 6 : Reserved .
Bit 5: Force Watch Dog Timer Time-out, Write only*
Bit 4: Watch Dog Timer Status, R/W
Bit 3 -0: These bits select IRQ resource for Watch Dog. Setting of 2 selects SMI.
= 0
= 1
= 00
= 01
= 10
= 11
= 0x00 Time-out Disable
= 0x01 Time-out occurs after 1 second/minute
= 0x02 Time-out occurs after 2 second/minutes
= 0x03 Time-out occurs after 3 second/minutes
................................................
= 0xFF Time-out occurs after 255 second/minutes
= 1 Force Watch Dog Timer time-out event; this bit is self-clearing.
= 1 Watch Dog Timer time-out occurred.
= 0 Watch Dog Timer counting
second
minute
Power LED pin is tri-stated.
Power LED pin is droved low.
Power LED pin is a 1Hz toggle pulse with 50 duty cycle.
Power LED pin is a 1/4Hz toggle pulse with 50 duty cycle.
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W83L517D/W83L517D-F
Publication Release Date: May 23, 2005
Revision 1.0