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CX28344

Conexant
Part Number CX28344
Manufacturer Conexant
Description (CX2834x) Dual / Triple / Quad / Hex / Octal - Enhanced DS3 / E3 Framer
Published Aug 19, 2005
Detailed Description CX28342/3/4/6/8 Dual/Triple/Quad/Hex/Octal-Enhanced DS3/E3 Framer The CX28342/3/4/6/8 provides Dual, Triple, Quad, Hex, ...
Datasheet PDF File CX28344 PDF File

CX28344
CX28344

Overview
CX28342/3/4/6/8 Dual/Triple/Quad/Hex/Octal-Enhanced DS3/E3 Framer The CX28342/3/4/6/8 provides Dual, Triple, Quad, Hex, and Octal DS3/E3 framers designed to support DS3-M13, DS3-C-bit parity, E3-G.
751, and E3-G.
832 transmission formats.
The CX28342/3/4/6/8 provides framing recovery for M13, M23, C-bit parity, G.
751, and G.
832 formatted signals.
A FIFO buffer in the receive path can be enabled to reduce jitter on the incoming data.
The CX28342/ 3/4/6/8 devices allow for ease of configuration, while providing maximum flexibility to support the transmission and recovery of industry standard formats.
It provides a flexible overhead bit generation method in DS3/E3 modes to source overhead bits on an individual framer.
Distinguishing Features ! ! ! ! ! ! ! ! NOTE: The index letter i, appearing in a register’s name, represents the channel number, one per channel.
! Functional Block Diagram VCO RXCKI ! ! RXPOS RXNEG LINECK TXPOS TXNEG TCLKO RXDAT RXMSY RXGAPCK REXTCK Channel 1 TXDATI Framer TXCKI (Typical All Channels) TEXT TEXTCK TXSY TXGAPCK Two, three, four, six, eight independent T3/ E3 framers in one package Line coding supported: " T3-B3ZS, NRZ, AMI " E3-HDB3, NRZ, AMI Framing supported: " T3-M13, M23, C-bit parity " E3-G.
751, G.
832 Inserts and extracts overhead bits Full FEAC and TDL channels support Full Performance Monitoring support per T1.
231 Integrated Dejitter FIFO Glueless interfaces to the following processors: " Intel: 8051, 8151, 8031, 8751, 8x251 " Motorola: 68000, 68020, 68030, 68302 An asynchronous processor interface LIU Interfaces: " Glueless interface to Conexant’s DS3/E3 LIU (CX2832/3) " Option for a definition of LIU’s clocks polarity-sampling edge Power Supplies and Power Consumption " I/O 3.
3 V, input 5 V-tolerant, core 2.
5 V " Requires 3.
3 V and 2.
5 V power supplies.
Optional 5 V supply required for 5 V input tolerance " Low power operation (<200 mW per port) System Side Line Side Applications ! ! Channel 2 Framer ONESEC MOTO AD A...


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