W83877ATF Datasheet, PDF (152/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

W83877ATF
8.2.56 Bit Map Configuration Registers
Table 8-1: Bit Map of Configuration Registers
Power-on
Register Reset Value
D7
D6
D5
CR0
0000 0000
0
0
0
CR1
0000 0000
ABCHG
0
0
CR2
0000 0000
0
0
0
CR3
0011 0000
0
0
EPPVER
CR4
0000 0000
PRTPWD
0
URAPWD
CR5
0000 0000
0
0
0
CR6
0000 0000
0
0
SEL4FDD
CR7
CR8
CR9
0000 0000
0000 0000
0000 1101
FDD D T1
0
PRTMODS2
FDD D T0
0
LOCKREG
FDD C T1
DISFDDWR
EN3MODE
CRA
0000 0000
0
CRB
0000 1100
0
0
Tx4WC
0
Rx4WC
CRC
0010 1000
TURA
TURB
HEFERE
CRD
1010 0011
SIRTX1
SIRTX0
SIRRX1
CR10
CR11
0000 0000
0000 0000
GIO0AD7
G0CADM1
GIO0AD6
G0CADM0
GIO0AD5
0
CR12
CR13
CR14
CR15
CR16
0000 0000
0000 0000
0000 0000
0000 0000
00ss 0s0s¹
GIO1AD7
G1CADM1
GIOP0MD2
GIOP1MD2
0
GIO1AD6
G1CADM0
GIOP0MD1
GIOP1MD1
0
GIO1AD5
0
GIOP0MD0
GIOP1MD0
G1IQSEL
CR17
CR18
0000 0000
0000 0000
0
SHARH
0
SHARG
0
SHARF
CR19
0000 0000
0
0
0
D4
0
0
0
0
URBPWD
0
FIPURDWN
FDD C T0
SWWP
0
0
ENIFCHG
0
SIRRX0
GIO0AD4
0
GIO1AD4
0
GIO0CSH
GIO1CSH
G0IQSEL
PRIRQOD
SHARE
0
D3
PRTMODS1
0
0
0
PRTTRI
ECPFTHR3
FDCPWD
FDD B T1
MEDIA 1
CHIP ID 3
0
IDENT
URIRSEL
HDUPLX
GIO0AD3
0
GIO1AD3
0
GCS0IOR
GCS1IOR
0
DSFDLGRQ
SHARD
0
D2
PRTMODS0
0
0
0
0
ECPFTHR2
0
FDD B T0
MEDIA 0
CHIP ID 2
0
MFM
0
IRMODE2
GIO0AD2
GIO0AD10
GIO1AD2
GIO1AD10
GCS0IOW
GCS1IOW
PNPCVS
DSPRLGRQ
SHARC
0
D1
0
0
0
SUAMIDI
URATRI
ECPFTHR1
FDCTRI
FDD A T1
BOOT 1
CHIP ID 1
0
INVERTZ
RX2INV
IRMODE1
GIO0AD1
GIO0AD9
GIO1AD1
GIO1AD9
GDA0OPI
GDA1OPI
0
DSUALGRQ
SHARB
FASTA
D0
IPD
0
0
SUBMIDI
URBTRI
ECPFTHR0
0
FDD A T0
BOOT 0
CHIP ID 0
0
DRV2EN
TX2INV
IRMODE0
GIO0AD0
GIO0AD8
GIO1AD0
GIO1AD8
GDA0IPI
GDA1IPI
HEFRAS
DSUBLGRQ
SHARA
FASTB
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Publication Release Date: April 1998
Version 0.51