w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 86
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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12. CONFIGURATION REGISTER
12.1 Chip (Global) Control Register
CR02 (Default 0x00)
CR07
CR20
CR21
CR22 (Default 0xff)
CR23 (Default 0xFE)
Bit 7 - 1: Reserved.
Bit 0: SWRST --> Soft Reset.
Bit 7 - 0: LDNB7 - LDNB0 --> Logical Device Number Bit 7 - 0
Bit 7 - 0: DEVIDB7 - DEBIDB0 --> Device ID Bit 7 - Bit 0 = 0x52 (read only).
Bit 7 - 0: DEVREVB7 - DEBREVB0 --> Device Rev Bit 7 - Bit 0 = 0xFx (read only).
Bit 7 - 6: Reserved.
Bit 5: URBPWD
Bit 4: URAPWD
Bit 3: PRTPWD
Bit 2, 1: Reserved.
Bit 0: FDCPWD
Bit 7 - 1: Reserved.
Bit 0: IPD (Immediate Power Down). When set to 1, it will put the whole chip into power down
= 0 Power down
= 1 No Power down
= 0 Power down
= 1 No Power down
= 0 Power down
= 1 No Power down
= 0 Power down
= 1 No Power down
mode immediately.
W83977EF-AW/W83977EG-AW
-84-
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