w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 102
w83977eg
Manufacturer Part Number
w83977eg
Description
Winbond Isa I/o W83977ef W83977eg
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977EG.pdf
(142 pages)
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Part Number:
w83977eg-AW
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WINBOND
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w83977eg-AW
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
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CRE5 (GP15, Default 0x01)
CRE6 (GP16, Default 0x01)
CRE7 (GP17, Default 0x01)
Bit 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
Bit 7 - 6:
Bit 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
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
= 01 Address decoder is 2-Byte boundary.
= 10 Address decoder is 4-Byte boundary.
= 11 Address decoder is 8-Byte boundary.
= 00 Select Basic I/O function.
= 01 Select 1st alternate function: General Purpose Address Decoder(Active Low when
= 10 Select 2nd alternate function: Keyboard Inhibit(P17).
= 11 Reserved
= 00 Address decoder is 1-Byte boundary.
= 01 Address decoder is 2-Byte boundary.
= 10 Address decoder is 4-Byte boundary.
= 11 Address decoder is 8-Byte boundary.
= 00 Select Basic I/O function.
= 01 General Purpose Write Strobe(Active Low when Bit 1 = 0).
= 10 8042 P12.
= 11 Reserved
= 00 Select Basic I/O function.
= 01 Select 1st alternate function: Watch Dog Timer Output.
= 1x Reserved
Bit 1 = 0, Decode two byte address).
W83977EF-AW/W83977EG-AW
-100-
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