W6692 Datasheet, PDF (64/104 Pages) Winbond – PCI Bus ISDN S/T-Controller

Preliminary Data Sheet
W6692 PCI ISDN S/T-Controller
ICC Indication Code Change
A change in the received indication code has been detected. The new code can be read from the CIR register. This bit is cleared
by a read of the CIR register.
CODR3-0 Layer 1 Indication Code
Value of the received layer 1 indication code. Note these bits have a buffer size of two.
Note : If S/T layer 1 function is disabled and GCI bus is enabled (GMODE = 1 in GCR register), CIR register is used to receive
layer 1 indication code from U transceiver. In this case, SCC bit is not used and the supported indication codes are :
Indication
Deactivation confirmation
Power up indication
Symbol
DC
PU
Code
1111
0111
Descriptions
Idle code on GCI interface
U transceiver power up
8.1.24 Command/Indication Transmit Register CIX Read/Write
Address 5CH/17H
Value after reset: 0FH
7
6
5
4
3
2
1
0
CODX3 CODX2 CODX1 CODX0
CODX3-0 Layer 1 Command Code
Value of the command code transmitted to layer 1.
A read to this register returns the previous written value.
Note: If S/T layer 1 function is disabled and GCI bus is enabled (GMODE = 1 in GCR register), CIX register is used to issue
layer 1 command code to U transceiver. In this case, the supported command code is:
Command
Symbol Code
Activate request command AR
1000
Descriptions
Activate request command
8.1.25 S/Q Channel Receive Register SQR
Value after reset: XFH
7
6
5
4
3
2
XIND1 XIND0 MSYN SCIE
S1
S2
Read
Address 60H/18H
1
0
S3
S4
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Publication Release Date: Sep 30, 1999
Revision 0.9