W83977F Datasheet, PDF (129/181 Pages) Winbond – PLUG & PLAY 1.0A COMPLIANT

10. CONFIGURATION REGISTER
W83977F/ W83977AF
PRELIMINARY
10.1 Chip (Global) Control Register
CR00 (only available in comply PnP mode)
Bit 7-0 : IORDPRA9 - IORDPRA2 --> Set RD_DATA Port A9-A2
CR01 (only available in comply PnP mode)
Bit7-0 : SISO 7-0 --> Serial Isolation
CR02 (Default 0x00)
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.
CR03 (only available in comply PnP mode)
Bit 7-0 : WAKCSN7 - WAKCSN0 --> Wake CSN
CR04 (only available in comply PnP mode)
Bit 7-0 : RSODAT7 - RSODAT 0 --> Resource Data
CR05 (only available in comply PnP mode)
Bit 7-1 : Reserved
Bit 0 : RSOSTAT -- > resource status bit
CR06 (only available in comply PnP mode)
Bit 7-0 : CSN7 -CSN0 --> Card Select Number 7 - 0
CR07
Bit 7-0 : LDNB7 - LDNB0 --> Logical Device Number Bit 7 - 0
CR20
Bit 7-0 : DEVIDB7 - DEBIDB0 -- > Device ID Bit 7 - Bit 0 = 0x97 (read only).
CR21
Bit 7-0 : DEVREVB7 - DEBREVB0 -- > Device Rev Bit 7 - Bit 0 = 0x71 (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
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Publication Release Date: March 1998
Revision 0.58