PM6341 E1XC
DATA SHEET
PMC-910419
ISSUE 8
E1 FRAMER/TRANSCEIVER
Figure 18
- Receive composite multiframe output (BRXSMFP=1 and
BRXCMFP=1):
BRCLK
BRFPI
BRFPO
BRPCM
C1
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
2 3 4 5 6 7 8
Undefined
Undefined
Undefined
Undefined
A B C D
A B C D
BRSIG
Timeslot 31
Timeslot 0
Timeslot 31
Timeslot 0
If the ROHM bit is logic 1, the BRFPO signal marks the overhead by becoming
high during timeslots 0 and 16.
Figure 19
- Receive overhead output (ROHM=1):
BRCLK
BRFPI
BRFPO
BRPCM
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
Undefined
Undefined
Undefined
A B C D
A B C D
A B C D
BRSIG
Timeslot 31
Timeslot 0
Timeslot 1
Timeslot 16
Timeslot 17
Figure 20
- Receive Line Data Interface
RCLKO
RFP
RPCM/
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
RDPCM
Timeslot 31
Timeslot 0
Timeslot 1
Timeslot 31
Timeslot 0
The Receive Options register is programmed to SRCMFP=0 and SRPCM=X. (If
SRCMFP=1, the RFP output only pulses on the frame boundary indicating the
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
194
PMC [ PMC-SIERRA, INC ]
