W83977EG-AW Datasheet, PDF (86/142 Pages) Nuvotem Talema – These products are not designed for use in life support appliances

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