PM7344 S/UNI-MPH
DATA SHEET
PMC-950449
ISSUE 6
MULTI-PHY USER NETWORK INTERFACE
CONTENTS
1
2
3
4
5
6
7
8
9
FEATURES.............................................................................................. 1
APPLICATIONS....................................................................................... 6
REFERENCES......................................................................................... 7
APPLICATION EXAMPLES ................................................................... 10
BLOCK DIAGRAM................................................................................. 14
DESCRIPTION ...................................................................................... 15
PIN DIAGRAM ....................................................................................... 17
PIN DESCRIPTION................................................................................ 18
FUNCTIONAL DESCRIPTION............................................................... 40
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
DIGITAL RECEIVE INTERFACE (DRIF) ..................................... 40
PULSE DENSITY VIOLATION DETECTOR (PDVD) .................. 43
T1/E1 FRAMER (FRMR)............................................................. 44
ALARM INTEGRATOR (ALMI).................................................... 44
T1 INBAND LOOPBACK CODE DETECTOR (IBCD)................. 45
PERFORMANCE MONITOR COUNTERS (PMON) ................... 45
T1 BIT ORIENTED CODE DETECTOR (RBOC) ........................ 46
HDLC RECEIVER (RFDL)........................................................... 46
T1/E1 FRAMING INSERTIONS (TRAN) ..................................... 47
9.10 T1 INBAND LOOPBACK CODE GENERATOR (XIBC) .............. 47
9.11 T1 PULSE DENSITY ENFORCER (XPDE)................................. 47
9.12 T1 BIT ORIENTED CODE GENERATOR (XBOC)...................... 48
9.13 T1 HDLC TRANSMITTER (T1 XFDL) ......................................... 48
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
i
PMC [ PMC-SIERRA, INC ]
