w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 105
w83977eg
Manufacturer Part Number
w83977eg
Description
Winbond Isa I/o W83977ef W83977eg
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977EG.pdf
(142 pages)
Available stocks
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Quantity
Price
Company:
Part Number:
w83977eg-AW
Manufacturer:
WINBOND
Quantity:
381
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Part Number:
w83977eg-AW
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
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CREC (GP24, Default 0x01)
CRED (GP25, Default 0x01)
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.
Bit 7 - 5: Reserved.
Bit 4 - 3: Select Function.
Bit 2: Int En
Bit 1: Polarity: 1: Invert, 0: No Invert
Bit 0: In/Out: 1: Input, 0: Output
Bit 7 - 5: Reserved.
Bit 4 - 3: Select Function.
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: Select Function.
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
= 00 Select Basic I/O function
= 01 Reserved
= 10 Select 2nd alternate function: Keyboard P15 I/O
= 11 Reserved
= 1
= 0
= 00 Select Basic I/O function
= 01 Reserved
= 10 Select 2nd alternate function: Keyboard P16 I/O
= 11 Reserved
= 1
= 0
= 1 Select alternate function: GATE A20(Connect to KBC P21).
= 0 Select basic I/O function
= 1
= 0
Enable Common IRQ
Disable Common IRQ
Enable Common IRQ
Disable Common IRQ
Enable Common IRQ
Disable Common IRQ
W83977EF-AW/W83977EG-AW
-103-
Publication Release Date: Apr. 2006
Revision 1.2
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