W83977G-A Nuvoton Technology Corporation of America, W83977G-A Datasheet - Page 145

• Manufacturer Part Number: W83977G-A
• Description: IC I/O CONTROLLER 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83977G-A

• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CRE0 (GP10, Default 0x01)
CRE1 (GP11, Default 0x01)
CRE2 (GP12, Default 0x01)
Bit 7-5 : Reserved.
Bit 4 : IRQ Filter Select
Bit 3 : Select Function.
Bit 2 : Reserved.
Bit 1 : Polarity.
= 1 Invert.
= 0 No Invert.
Bit 0 : In/Out selection.
= 1 Input.
= 0 Output.
Bit 7-5 : Reserved.
Bit 4 : IRQ Filter Select
Bit 3 : Select Function.
Bit 2 : Reserved.
Bit 1 : Polarity.
Bit 0 : In/Out selection.
= 0 Output.
Bit 7-5 : Reserved
Bit 4-3 : Select Function.
Bit 2 : Reserved.
Bit 1 : Polarity : 1 : Invert, 0 : No Invert
Bit 0 : In/Out : 1 : Input, 0 : Output
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
= 0 Debounce Filter Bypassed
= 1 Debounce Filter Enabled
= 1 Select Alternate Function : Interrupt Steering.
= 0 Select Basic I/O Function.
= 1 Debounce Filter Enabled
= 0 Debounce Filter Bypassed
= 1 Select Alternate Function : Interrupt Steering.
= 0 Select Basic I/O Function.
= 1 Invert.
= 0 No Invert.
= 1 Input.
= 00 Select Basic I/O function.
= 01 Select 1st alternate function : Watching Dog Timer Output.
= 10 Reserved
= 11 Reserved
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Publication Release Date: May 2006
Revision 0.60