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| PM7345S Datasheet, PDF (25/306 Pages) PMC-Sierra, Inc – SATURN USER-NETWORK INTERFACE FOR ATM PLESIOCHRONOUS DIGITAL HIERARCHY DATACOM | |||
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DATA SHEET
PMC-931011
ISSUE 6
PM7345 S/UNI-PDH
SATURN USER-NETWORK INTERFACE
TCLK
TPOS/TDAT
TNEG/TOHM
RCLK
RPOS/RDAT
RNEG/ROHM
XBOC XFDL Tx 1/2 TTB
Tx Tx O/H Tx Trail
FEAC HDLC Access Buffer
Line
Encode
TRAN
DS3 or E3
Transmit
Framer
SPLT
Transmit ATM
and PLCP
Framer
TXCP
Tx
Cell
Processor
TXFF
Tx
4 Cell
FIFO
Line
Decode
FRMR
DS3 or E3
Receive
Framer
ATMF/SPLR
Receive
ATM and
PCLP Framer
RXCP
Rx
Cell
Processor
RXFF
Rx
4 Cell
FIFO
RBOC RFDL PMON Rx 1/2 TTB
Rx Rx Perf. O/H Rx Trail
FEAC HDLC Monitor Access Buffer
CPPM
PLCP/cell
Perf. Monitor
Microprocessor
I/F
System
I/F
FWDATA[7:0]
FWRB
TSOC
TFIFOFB/FWCLK
RSOC
REOH/LOF
REOC/OOF
RFIFOE/FRCLK
FRDB
FRDATA[7:0]
With DS3/E3 Framer Bypassed
TCLK
TPOS/TDAT
TNEG/TOHM
LINE
RCLK
RPOS/RDAT
RNEG/ROHM
XBOC XFDL Tx 1/2 TTB
Tx Tx O/H Tx Trail
FEAC HDLC Access Buffer
Line
Encode
TRAN
DS3 or E3
Transmit
Framer
PAYLOAD
SPTLIMTING
Transmit ATM
and PLCP
Framer
Line
Decode
FRMR
DS3 or E3
Receive
Framer
ATMF/SPLR
Receive
ATM and
PCLP Framer
TXCP
Tx
Cell
Processor
RXCP
Rx
Cell
Processor
CELL
TXFF
Tx
4 Cell
FIFO
RXFF
Rx
4 Cell
FIFO
System
I/F
DIAGNOSTIC
RBOC RFDL PMON Rx 1/2 TTB
Rx Rx Perf. O/H Rx Trail
FEAC HDLC Monitor Access Buffer
CPPM
PLCP/cell
Perf. Monitor
Microprocessor
I/F
FWDATA[7:0]
FWRB
TSOC
TFIFOFB/FWCLK
RSOC
REOH/LOF
REOC/OOF
RFIFOE/FRCLK
FRDB
FRDATA[7:0]
Loopback Modes
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERSâ INTERNAL USE 11
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