w66910 Winbond Electronics Corp America, w66910 Datasheet - Page 55

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

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 slave mode 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:
8.1.25 S/Q Channel Receive Register
Value after reset: XXH
XIND1 XINTIN1 Data
This bit reflects the current level of XINTIN1 pin.
XIND0 XINTIN0 Data
This bit reflects the current level of XINTIN0 pin.
MSYN Multiframe Synchronization
When this bit is "1", a multiframe synchronization is achived, i.e the S/T receiver has synchronized to the received F
patterns.
SCIE S Channel Change Interrupt Enable
The SCIE bit written in the SQX register is read from this bit.
S1-4 Received S Bits
These are the S bits received in NT to TE direction in frames 1, 6, 11 and 16. S1 is in frame 1, S2 is in frame 6 etc. This four bits
are double buffered.
8.1.26 S/Q Channel Transmit Register
Value after reset: 0FH
XIND1
7
7
Command
Activate request command
XIND0
6
6
MSYN
5
5
Symbol
AR
SCIE
4
4
CODX3
Code
1000
S1
3
3
SQR
SQX
CODX2
Descriptions
Activate request command
S2
2
2
-55 -
CODX1
Read
S3
Read/Write
1
1
CODX0
W66910 PCI ISDN S/T-Controller
S4
0
0
Address 18H
Publication Release Date:
Address 19H
Data Sheet
Revision 1.0
A
and M bit
Feb,2001