2.0 Circuit Description
2.4 Receiver
Bt8370/8375/8376
Fully Integrated T1/E1 Framer and Line Interface
2.4 Receiver
The Digital Receiver (RCVR) monitors T1/E1 overhead data and decodes
positive and negative rail NRZ data from the RLIU into single rail NRZ data
processed by the RSB. The RCVR, illustrated in Figure 2-11, is made up of the
following elements: Zero Code Suppression (RZCS) Decoder, In-Band Loopback
Code Detector, Error Counters, Error Monitor, Alarm Monitor, Test Pattern
Receiver, Receive Framer, External Receive Data Link, and Receive Data Links.
Figure 2-11. RCVR Diagram
MPU
Registers
(1)
DLINK1
DLINK2
MOP
External DLINK
PRBS/Inband LB
Sa-Byte
MOP/BOP
RPDV Monitor
RPOS
RZCS
Decoder
RNRZ
RNEG
Error Monitor
Error Counters
Alarm Monitor
Receive Framer
Receiver Timebase
To RSB
Line Framer
Loopback Loopback
RCKO
NOTE(S):
(1)
DLINK2 not available in Bt8376 device.
2-14
Conexant
N8370DSE
CONEXANT [ CONEXANT SYSTEMS, INC ]
