w66910 Winbond Electronics Corp America, w66910 Datasheet - Page 44

• Manufacturer Part Number: w66910
• Description: Te Mode Isdn S/t-controller With Microprocessor Interface
• Manufacturer: Winbond Electronics Corp America

8.1.1 D_ch receive FIFO
The D_RFIFO has a length of 128 bytes.
After a D_RMR interrupt, exactly 64 bytes are available.
After a D_RME interrupt, the number of bytes available equals RBC5-0 bits in the D_RBCL register.
8.1.2 D_ch transmit FIFO
The D_XFIFO has a length of 128 bytes.
After an D_XFR interrupt, up to 64 bytes of data can be written into this FIFO for transmission. At the first time, up to 128 bytes
of data can be written.
Offset R/W
1A
1C
1D
3D
4A
1B
1E
3E
4B
16
17
18
19
1F
40
41
42
43
44
45
46
47
48
49
R
R/W
R
R/W
R/W
R
R/W
R_clr MO0I
R/W
R/W
R/W
R/W
R
R/W
R_clr MO1I
R/W
R
R/W
R
R/W
R
R/W
R_clr GCI_EXIR
R/W
Name
CIR
CIX
SQR
SQX
PCTL
MO0R
MO0X
MO0C
GCR
XDATA1
XDATA2
MO1R
MO1X
MO1C
IC1R
IC1X
IC2R
IC2X
CI1R
CI1X
GCI_EXIM
SCC
XIND1
OE5
MAC0
IO7
IC1_7
IC1_7
IC2_7
IC2_7
7
0
0
0
0
0
0
0
1
ICC
XIND0
OE4
MAC1
IO6
IC1_6
IC1_6
IC2_6
IC2_6
D_RFIFO
D_XFIFO
6
0
0
0
0
0
0
0
1
MSYN
OE3
GACT
IO5
IC1_5
IC1_5
IC2_5
IC2_5
CI1R_6
CI1X_6
5
0
0
0
0
0
1
-44 -
Read Address 00H
Write Address 01H
SCIE
SCIE
OE2
TLP
IO4
IC1_4
IC1_4
IC2_4
IC2_4
CI1R_5
CI1X_5
MO1C
MO1C
4
0
0
0
CODR3
CODX3
S1
Q1
OE1
MDR0
MRIE0
GRLP
IO3
MDR1
MRIE1
IC1_3
IC1_3
IC2_3
IC2_3
CI1R_4
CI1X_4
MO0C
3
0
W66910 PCI ISDN S/T-Controller
CODR2 CODR1
CODX2 CODX1
S2
Q2
OE0
MER0
MRC0
SPU
IO2
IO10
MER1
MRC1
IC1_2
IC1_2
IC2_2
IC2_2
CI1R_3 CI1R_2
CI1X_3 CI1X_2
IC1
IC1
Publication Release Date:
2
S3
Q3
0
MDA0
MXIE0
PD
IO1
IO9
MDA1
MXIE1
IC1_1
IC1_1
IC2_1
IC2_1
IC2
IC2
1
CODR0
CODX0
S4
Q4
PXC
MAB0
MXC0
GMODE
IO0
IO8
MAB1
MXC1
IC1_0
IC1_0
IC2_0
IC2_0
CI1R_1
CI1X_1
CI1
CI1
Data Sheet
0
Revision 1.0
Feb,2001