W83977AF Information Storage Devices, Inc, W83977AF Datasheet - Page 152
W83977AF
Manufacturer Part Number
W83977AF
Description
W83877TF Plus Kbc, Cir, RTC
Manufacturer
Information Storage Devices, Inc
Datasheet
1.W83977AF.pdf
(181 pages)
- Current page: 152 of 181
- Download datasheet (3Mb)
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.
CRF1 (Reserved)
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
Bit 2-0 : Reserved
= 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
= 1 Debounce Filter Enabled
= 0 Debounce Filter Bypassed
Enable Common IRQ
Disable Common IRQ
Enable Common IRQ
Disable Common IRQ
- 140 -
W83977F/ W83977AF
Publication Release Date: March 1998
PRELIMINARY
Revision 0.58
Related parts for W83977AF
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
H/w Monitor: 3 Temp.(thermal Diode), 6 Vol., 2 PWM Fan Control
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
Hardware Monitor With Speech Synthesizer And Asf Functions
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
LPC Interface I/o Plus Kbc, Game Port, Midi Port
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
W83627F Plus Smart Card Reader Interface, Vid Control, GP I/o
Manufacturer:
Information Storage Devices, Inc
Part Number:
Description:
LPC Interface I/o Plus Game/midi Port, Fan Control, Flash ROM I/f
Manufacturer:
Information Storage Devices, Inc
Datasheet:
Part Number:
Description:
Programmable Speech Synthesizer With 133 Int/ext Event Triggers
Manufacturer:
Information Storage Devices, Inc
Datasheet: