28233-11 View Datasheet(PDF) - Conexant Systems

Part Name

Description

Manufacturer

28233-11

ATM Transmitter/Receiver with UTOPIA Interface

Conexant Systems 

2

2.0 Functional Description

This chapter describes the CN8223 architecture and functional blocks. Figure 2-1

and Figure 2-2 illustrates detailed signal paths of the receiver and transmitter.

Figure 2-1. CN8223 Receiver Block Diagram

Clock, Sync, Serial Data

Serial

Bipolar

Data

Serial

NRZ

Data

MUX

DS-3/G.751

E3 Framer

External

Framer

Mode

MUX

Serial/

Parallel

Enable

B3ZS/HDB3

Parallel Input

Octet, Clock

STS-1/

STS-3c/

G.832

STM-1

Serial/Parallel

STS-1/

STS-3c/

STM-1

G.832

Framer

Octets

MUX

100 Mbps

TAXI Interface

Figure 2-2. CN8223 Transmitter Block Diagram

PHY

Mode

Overhead Output

PLCP

Framer

HEC

Align.

Framer

MUX

ATM

Cell

Receiver

Alignment

Mode

ATM

Cell

Gen.

Overhead Input

PLCP

Gen.

STS-1/

STS-3c/

STM-1

G.832

Gen.

DS3/

G.751 E3

Gen.

MUX

B3ZS/

HDB3

Encode

Serial/

Parallel

Data Out

MUX

100046C

Conexant

2-1

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