STANDARD PRODUCT
PMC-Sierra, Inc.
PM6344 EQUAD
PMC-951013
ISSUE 5
QUADRUPLE E1 FRAMER
i
CONTENTS
1
FEATURES ........................................................................................................................1
2
APPLICATIONS .................................................................................................................4
3
REFERENCES ..................................................................................................................5
4
APPLICATION EXAMPLES ...............................................................................................7
5
BLOCK DIAGRAM.............................................................................................................8
6
PIN DIAGRAM .................................................................................................................11
7
PIN DESCRIPTION .........................................................................................................12
8
FUNCTIONAL DESCRIPTION ........................................................................................29
8.1
DIGITAL RECEIVE INTERFACE (DRIF).............................................................29
8.2
CLOCK AND DATA RECOVERY (CDRC)...........................................................29
8.3
FRAMER (FRMR)...............................................................................................31
8.4
PERFORMANCE MONITOR COUNTERS (PMON)...........................................38
8.5
HDLC RECEIVER (RFDL)..................................................................................38
8.6
ELASTIC STORE (ELST) ...................................................................................39
8.7
SIGNALING EXTRACTOR (SIGX) .....................................................................39
8.8
BACKPLANE RECEIVE INTERFACE (BRIF).....................................................40
8.9
TRANSMITTER (TRAN).....................................................................................40
8.10
TRANSMIT PER-CHANNEL SERIAL CONTROLLER (PCSC)..........................41
8.11
HDLC TRANSMITTER (XFDL)...........................................................................41
8.12
DIGITAL JITTER ATTENUATOR (DJAT) .............................................................42
8.13
TIMING OPTIONS (TOPS).................................................................................46
8.14
DIGITAL E1 TRANSMIT INTERFACE (DTIF) .....................................................46
8.15
BACKPLANE TRANSMIT INTERFACE (BTIF)...................................................47