W6692 Datasheet, PDF (83/104 Pages) Winbond – PCI Bus ISDN S/T-Controller

Preliminary Data Sheet
Remainder = RBC12-0 MOD threshold
No of available data = remainder
if remainder ≠ 0 or
No of available data = threshold
if remainder = 0
The remainder equals RBC5-0 if threshold is 64.
W6692 PCI ISDN S/T-Controller
8.2.14 B1_ch Transmit Idle Pattern
B1_IDLE Read/Write Address B4H/2DH
Value after reset: FFH
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
C0/30
C4/31
C8/32
CC/33
D0/34
D4/35
D8/36
DC/37
E0/38
E4/39
E8/3A
EC/3B
F0/3C
B8/2E
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
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Publication Release Date: Sep 30, 1999
Revision 0.9