Datasheet > MC92052

MC92052

更新时间： 2024-09-24 22:46:19

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
6页	43K
描述
FTTC User Framer

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中文翻译

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数据手册

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MC92052 数据手册

Order this Data Sheet by MC92052/D

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

MC92052

Product Brief

MC92052

FTTC User Framer

The MC92052 is a peripheral device for the user side of an FTTC drop. It is composed of downstream and upstream

TC-sublayer functionality with UTOPIA compliant ATM-layer ports.

MC92052 Features

•

Implements the DAVIC short-range baseband asymmetrical physical layer standard

Supports a bit rate of up to 51.84 Mbit/sec downstream

Provides TDMA at a bit rate of up to 6.48 Mbit/s upstream, including DAVIC Bit Rates B, C, and D

Interfaces to an ATM-layer device using a UTOPIA compliant interface

Performs convolutional deinterleaving of the downstream payload blocks for the full range of interleaving depths

(M = 1-31) using an external 16K x 8 SRAM

•

Can optionally use an internal RAM for deinterleaving when the interleaving depth is small (M ≤ 2)

Performs Reed-Solomon encoding of the upstream frames and decoding of the downstream frames

Performs HEC-based cell delineation and error correction on the downstream data

Optionally filters received ATM cells based on GFC/VPI pattern matching

Includes serial data interfaces to a Physical Medium Dependent (PMD) sublayer device

Optional serial data link interfaces for upstream and downstream frames

Includes a power level control interface to the transmitter

Provides an 8-bit system interface as a generic slave device

IEEE 1149.1 (JTAG) boundary scan test port

3.3 V operation with TTL compatibility on I/O pins

Extended temperature operation: -40 to 85 ^°C

Available in 128 Pin Plastic Quad Flat Package

UTOPIA

I/F

Reed-

Solomon

Decoder

Deinter-

leaver

Rx Cell

Functions

Deran-

domizer

PMD

I/F

Frame

Align-

ment

Reed-

Solomon

Decoder

Data

Link

Extraction

Header

Interpretation

Deran-

domizer

RAM

Data

Link

Header

Generation

Insertion

PMD

I/F

Reed-

Random-

izer

Solomon

Encoder

UTOPIA

I/F

Tx Cell

Functions

Microprocessor

Interface

JTAG Controller

Figure 1. MC92052 Block Diagram

This document contains information on a new product.

Speciﬁcations and information herein are subject to change without notice.

MOTOROLA, INC. 1997

12 3 4 5 6

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