PM7344 S/UNI-MPH
DATA SHEET
PMC-950449
ISSUE 6
MULTI-PHY USER NETWORK INTERFACE
Registers 044H, 144H, 244H and 344H: E1-TRAN Configuration
Bit
Type
Function
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
AMI
SIGEN
DLEN
GENCRC
FDIS
FEBEDIS
Reserved
Reserved
0
1
1
0
0
0
0
0
These registers configure the TRAN block when E1 format is enabled
Reserved:
The reserved bit must be programmed to logic 0 for correct operation.
AMI:
The AMI bit enables AMI line coding when set to logic 1; when it is set to logic
0, the HDB3 line coding is enabled.
SIGEN, DLEN:
The SIGEN and DLEN bits select the signalling data source for Time Slot 16
(TS16) as follows:
SIGEN DLEN
MODE
0
0
0
1
TS16 insertion disabled. TS16 is set to all ones.
TS16 insertion enabled. TS16 data is taken directly
from the TDLSIG input or from the HDLC transmitter.
1
1
0
1
Reserved.
TS16 insertion disabled. TS16 is set to all ones.
When channel associated signalling (CAS) is enabled, the format of the input
BTSIG stream is selected by the DLEN bit. A logic 1 in the DLEN bit position
selects the PMC compatible format in which the BTSIG stream contains the
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
152
PMC [ PMC-SIERRA, INC ]
