W83977A Winbond Electronics Corp America, W83977A Datasheet - Page 124
W83977A
Manufacturer Part Number
W83977A
Description
Winbond I/O
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977A.pdf
(160 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
W83977AG-A
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
Company:
Part Number:
W83977ATF-AW
Manufacturer:
Winbond
Quantity:
8
Company:
Part Number:
W83977ATF-AW
Manufacturer:
MIT
Quantity:
1 000
Company:
Part Number:
W83977ATG-AW
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
- Current page: 124 of 160
- Download datasheet (556Kb)
CREE
CRF0 (Default 0x00)
Debounce Filter Enable or Disable for General Purpose I/O Combined Interrupt. The Debounce Filter
can reject a pulse with 1ms width or less.
CRF1 (Reserved)
CRF2 (Default 0x00)
Watch Dog
the value to
Interrupt or Keyboard Interrupt happen will also cause to reload the non-zero value to
Counter and count down. Read this register can not access
can access the current value in
CRF3 (WDT_CTRL0, Default 0x00)
Bit 7 - 3: Reserved.
Bit 2: Int En
Bit 1: Polarity: 1: Invert, 0: No Invert
Bit 0: In/Out: 1: Input, 0: Output
Bit 7 - 4: Reserved
Bit 3: GP Common IRQ Filter Select
Bit 2 - 0: Reserved
Bit 7 - 0:
Watch Dog
Bit 7 - 4: Reserved
Bit 3: When Time-out occurs, Enable or Disable Power LED with 1 Hz and 50% duty cycle output.
Bit 2: Mouse interrupt reset Enable or Disable
Bit 1: Keyboard interrupt reset Enable or Disable
Bit 0: Reserved.
(GP26, Default 0x01)
= 1
= 0
= 1 Debounce Filter Enabled
= 0 Debounce Filter Bypassed
= 0x00 Time-out Disable
= 0x01 Time-out occurs after 1 minute
= 0x02 Time-out occurs after 2 minutes
= 0x03 Time-out occurs after 3 minutes
................................................
= 0xFF Time-out occurs after 255 minutes
= 1 Enable
= 0 Disable
= 1
= 0
= 1
= 0
Timer Time-out value. Writing a non-zero value to this register causes the counter to load
Watch Dog
Watch Dog
Watch Dog
Watch Dog
Watch Dog
Timer Control Register #0
Enable Common IRQ
Disable Common IRQ
Counter and start to count down. If the Bit2 and Bit 1 are set, any Mouse
Timer is reset upon a Mouse interrupt
Timer is not affected by Mouse interrupt
Timer is reset upon a Keyboard interrupt
Timer is not affected by Keyboard interrupt
Watch Dog
-113-
Counter.
Watch Dog
Publication Release Date: March 1998
Timer Time-out value, but
W83977TF
PRELIMINARY
Revision 0.62
Watch Dog
Related parts for W83977A
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 Springdale Series Chipset P4 Springdale Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel P4 845 Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Via P4/kt Series Chipset
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Clock Generator For Intel 915/925 Chipsets
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond H/w Monitoring Ic
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Lpc I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond Smbus Gpi/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Winbond I/o
Manufacturer:
Winbond Electronics Corp America
Datasheet:
Part Number:
Description:
Pa-risc Embedded Controller
Manufacturer:
Winbond Electronics Corp America
Datasheet: