VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Datasheet
STS-48c Packet/ATM Over SONET/SDH Device
With Integrated Mux/Demux and Clock and Data Recovery
VSC9142
Features
• Dual Mode STS-48c/STM-16c to Packet/
ATM Framing Device for User Network
• Programmable Packet/Cell Filtering and Dis-
carding Functionalities
Interface and Network Node Interface Appli-
cations
• Industry Compliant Drop Side Packet/Cell
Interface for Single-PHY Applications
• Integrated 2.5 Gbps Clock and Data Recov-
ery and Serial Clock and Data Output with
Power-Down Feature
• 4-bit OIF Compliant Line Interface to be used-
for STS-192 applications
• +1.8V and +3.3V Power Supplies
• Selectable Reference Clock Frequencies and
Sources for Transmit and Receive datapaths
• Compliant with SONET and SDH Require-
ments as Stated in ANSI T1.105, Bellcore
GR-253-CORE and ITU-T G.707 Documents
• Terminates and Generates Full SONET/SDH
Section, Line, and Path Layers
• Compliant with PPP in HDLC-like Framing
and Mapping into SONET/SDH as Defined in
IETF RDFC 1619/1661/1662/2615
• Dedictated Ports for Section/Line Overhead
Access (Extraction/Insertion)
• Extensive SONET/Packet/Cell Performance
Monitoring Features
VSC9142 Block Diagram
Transport Overhead Insertion
TLPRTY4+/-
TLOUT4[3..0]+/-
TLCLKOUT4+/-
TLCLK4+/-
JTAG
TOAP
TFCLK
TFCLKO
TENB
MUX
DTPA
TSOP
TPRTY
TDAT[31..0]
TMOD[1..0]
TEOP
TLOUTSER+/-
TLCLKSER+/-
CMUREFCLK+/-
CMUFILTER+/-
CMULOCKDET
CMUREFDET
Section
Generation
TSOP
Line
Generation
TLOP
Path
Generation
TPOP
Packet/ATM
Mapping
TPP/TACP
CMU
+
MUX
TERR
CMUREFSEL[1..0]
LOOPTIMING
RFCLK
RFCLKO
RENB
RVAL
RSOP
RPRTY
RDAT[31..0]
RMOD[1..0]
REOP
Section
Trace Buffer
SSTB
Path
Trace Buffer
SPTB
CLKRSTEN
PHY
RLINSER+/-
RLINSERCNTR
CRUREFCLK+/-
CRUFILTER+/-
CRULOCKDET
CRUREFDET
CRUREFSEL[1..0]
CRUREFOUTSEL
CRURECCLK+/-
CRU
+
DMX
Section
Termination
RSOP
Line
Termination
RLOP
Path
Termination
RPOP
Packet/ATM
Demapping
RPP/RACP
RERR
PIF/UIF
RLPRTY4+/-
RLIN4[3..0]+/-
RLCLK4+/-
DMX
PPHHYY
Transport Overhead Extraction
GPIO[7..0]
PMTICK
BERM
CPU
ROAP
G52319-0, Rev. 3.1
6/12/00
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
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