W66910 Datasheet, PDF (72/81 Pages) Winbond – TE Mode ISDN S/T-Controller with Microprocessor Interface

Data Sheet
W66910 PCI ISDN S/T-Controller
7
6
5
4
3
2
1
0
IDLE7 IDLE6 IDLE5 IDLE4 IDLE3 IDLE2 IDLE1 IDLE0
IDLE7-0
This pattern is transmitted when the transmitter is active and transmit FIFO is empty. Valid in extended transparent mode only.
8.3 B2 HDLC controller
TABLE 8.5 REGISTER ADDRESS MAP: B2 CHANNEL HDLC
Offset
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
2E
Access Register Name
R B2_RFIFO
W B2_XFIFO
R/W B2_CMDR
R/W B2_MODE
R_clear B2_EXIR
R/W B2_EXIM
R B2_STAR
R/W B2_ADM1
R/W B2_ADM2
R/W B2_ADR1
R/W B2_ADR2
R B2_RBCL
R B2_RBCH
R/W B2_IDLE
Description
B2 channel receive FIFO
B2 channel transmit FIFO
B2 channel command register
B2 channel mode control
B2 channel extended interrupt
B2 channel extended interrupt mask
B2 channel status register
B2 channel address mask 1
B2 channel address mask 2
B2 channel address 1
B2 channel address 2
B2 channel receive frame byte count low
B2 channel receive frame byte count high
B2 channel transmit idle pattern
TABLE 8.6 REGISTER SUMMARY: B2 CHANNEL HDLC
Offset R/W Name
30 R B2_RFIFO
31 W B2_XFIFO
32 R/W B2_CMDR
33 R/W B2_MODE
34 R_clr B2_EXIR
35 R/W B2_EXIM
36 R B2_STAR
37 R/W B2_ADM1
38 R/W B2_ADM2
7
RACK
MMS
MA17
MA27
6
5
RRST
ITF
RMR
RMR
RDOV
MA16
MA26
RACT
EPCM
RME
RME
CRCE
MA15
MA25
4
3
2
1
XACTB
B2_SW1
RDOV
RDOV
RMB
MA14
MA24
B2_SW0
MA13
MA23
XMS
SW56
XDOW
MA12
MA22
XME
FTS1
XFR
XFR
MA11
MA21
0
XRST
FTS0
XDUN
XDUN
XBZ
MA10
MA20
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Publication Release Date: Feb,2001
Revision 1.0