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PM4318-BI

OCTAL E1/T1/J1 LINE INTERFACE DEVICE

PMC-Sierra 

PRELIMINARY

DATASHEET

PMC- 2001578

ISSUE 3

PM4318 OCTLIU

OCTAL E1/T1/J1 LINE INTERFACE DEVICE

CONTENTS

1

FEATURES........................................................................................................................ 1

1.1 EACH RECEIVER SECTION: .............................................................................. 2

1.2 EACH TRANSMITTER SECTION:....................................................................... 2

2

APPLICATIONS................................................................................................................. 4

3

REFERENCES .................................................................................................................. 5

4

APPLICATION EXAMPLES............................................................................................... 7

5

BLOCK DIAGRAM............................................................................................................. 9

6

DESCRIPTION ................................................................................................................ 11

7

PIN DIAGRAM................................................................................................................. 12

8

PIN DESCRIPTION......................................................................................................... 13

9

FUNCTIONAL DESCRIPTION ........................................................................................ 35

9.1 OCTANTS........................................................................................................... 35

9.2 RECEIVE INTERFACE ...................................................................................... 35

1.3 CLOCK AND DATA RECOVERY (CDRC).......................................................... 36

1.4 RECEIVE JITTER ATTENUATOR (RJAT) ......................................................... 38

1.5 T1 INBAND LOOPBACK CODE DETECTOR (IBCD) ....................................... 38

1.6 T1 PULSE DENSITY VIOLATION DETECTOR (PDVD) ................................... 39

1.7 PERFORMANCE MONITOR COUNTERS (PMON).......................................... 39

1.8 PSEUDO RANDOM BINARY SEQUENCE GENERATION AND DETECTION

(PRBS) ............................................................................................................... 39

1.9 T1 INBAND LOOPBACK CODE GENERATOR (XIBC)..................................... 39

1.10 PULSE DENSITY ENFORCER (XPDE)............................................................. 39

1.11 TRANSMIT JITTER ATTENUATOR (TJAT) ....................................................... 40

1.12 LINE TRANSMITTER......................................................................................... 44

1.13 TIMING OPTIONS (TOPS) ................................................................................ 44

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

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