STANDARD PRODUCT
PM4351 COMET
DATA SHEET
PMC-1970624
ISSUE 10
COMBINED E1/T1 TRANSCEIVER
5
BLOCK DIAGRAM
RLPS
Receive
LIU
XLPG
Transmit
LIU
D[7:0]
A[8:0]
MPIF
Micro-
RDB
Processor
Interface
WRB
CSB
ALE
CDRC
Clock and
Data
CSD
Clock Synthesis
and Distribution
TJAT
Transmit
Recovery
RSTB
INTB
Digital Jitter
Attenuator
TOPS
Timing Options
TDO
TDI
JTAG
Test Access
Port
RJAT
Receive
Digital Jitter
Attenuator
TCK
TMS
XIBC
Inband
Loopback
Code
XPDE
TRSTB
Pulse
Density
Enforcer
T1-XBAS/
E1-TRAN
BasicTransmitter:
Frame Generation,
Alarm Insertion,
Signaling Insertion,
Trunk Conditioning
Generator
PDVD
Pulse
Density
Violation
Detector
IBCD
Inband
PMON
Performance
Monitor
PRGD
XBOC
Bit Oriented
Code
TPSC
Per-DS0
Serial
Loopback
Code
1/2 Pattern
Generator/
Detector
Counters
Detector
Generator
Controller
FRMR
Frame
Alignment,
Alarm
Extraction
RBOC
Bit Oriented
Code
FRAM
Framing
RAM
ALMI
Alarm
Integrator
Detector
TDPR#3
HDLC
Transmitter
RDLC#3
HDLC
Receiver
TDPR#2
HDLC
Transmitter
RX-
ELST
Elastic
Store
RDLC#2
HDLC
Receiver
TX-
ELST
Elastic
Store
TDPR#1
HDLC
Transmitter
RDLC#1
HDLC
Receiver
BTIF
PRGD
RPSC
Per-DS0
Serial
BRIF
Backplane
Receive
E1/T1-
SIGX
Signaling
Backplane
Transmit
Interface
1/2 Pattern
Generator /
Detector
Controller
Interface
Extractor
PROPRIETARY AND CONFIDENTIAL
13
PMC [ PMC-SIERRA, INC ]
