W83977G Winbond Electronics Corp America, W83977G Datasheet - Page 128

• Manufacturer Part Number: W83977G
• Description: W83877TF plus KBC, CIR, RTC, Pb-free
• Manufacturer: Winbond Electronics Corp America

13. CONFIGURATION REGISTER
13.1 Chip (Global) Control Register
CR00 (only available in comply PnP mode)
CR01 (only available in comply PnP mode)
CR02 (Default 0x00)
CR03 (only available in comply PnP mode)
CR04 (only available in comply PnP mode)
CR05 (only available in comply PnP mode)
CR06 (only available in comply PnP mode)
CR07
CR20
CR21
CR22 (Default 0xff)
Bit 7-0 : IORDPRA9 - IORDPRA2 --> Set RD_DATA Port A9-A2
Bit7-0 : SISO 7-0 --> Serial Isolation
Bit 7-3 : Reserved.
Bit 2: RSTCSN --> Reset CSN to 0. Only available in comply PnP mode.
Bit 1: RTUWAIT -- > Return to Wait for Key state. Only available in comply PnP mode.
Bit 0 : SWRST --> Soft Reset.
Bit 7-0 : WAKCSN7 - WAKCSN0 --> Wake CSN
Bit 7-0 : RSODAT7 - RSODAT 0 --> Resource Data
Bit 7-1 : Reserved
Bit 0 : RSOSTAT -- > resource status bit
Bit 7-0 : CSN7 -CSN0 --> Card Select Number 7 - 0
Bit 7-0 : LDNB7 - LDNB0 --> Logical Device Number Bit 7 - 0
Bit 7-0 : DEVIDB7 - DEBIDB0 -- > Device ID Bit 7 - Bit 0 = 0x97 (read only).
Bit 7-0 : DEVREVB7 - DEBREVB0 -- > Device Rev Bit 7 - Bit 0 = 0x71 (read only).
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 : IRPWD
= 0 Power down
= 1 No Power down
Bit 1 : Reserved.
Bit 0 : FDCPWD
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
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