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參數(shù)資料
| 型號(hào)： | MC145660 |
| 廠商： | Motorola, Inc. |
| 英文描述： | CopperGold Transceiver(CopperGold收發(fā)器) |
| 中文描述： | CopperGold收發(fā)器（CopperGold收發(fā)器） |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 376K |
| 代理商： | MC145660 |
M O T O R O L A E M B E D D E D S O L U T I O N S
MC145660 CopperGold ADSL Transceiver
Product Overview
The MC145660 CopperGold Transceiver combines the analog front end
(AFE), DSP, and digital interface (DI) circuitry necessary for implementing a
standards-compliant ADSL modem based on the discrete multitone (DMT)
line code. The high integration of the CopperGold Transceiver offers
significant power and board-space savings while providing superior
performance in transmitting data over twisted-pair copper telephone lines.
The rich feature set of the CopperGold Transceiver supports such diverse
applications as Internet access, video-on-demand, online gaming, and IP
telephony/voice over DSL.
Motorola’s next generation MC145660 CopperGold Transceiver enhances
the functionality of the previous CopperGold Transceiver (MC145650) by
adding an ATM UTOPIA Level 2 bus interface designed to support an ATM
transmission rate greater than 9 Mbps downstream and 1 Mbps upstream.
The MC145660 is designed for compliance with standards such as ANSI
T1.413 Issue 1 and Issue 2 Category I & II, ETSI ETR-328, and ITU
recommendations G.992.1 (G.dmt) and G.992.2 (G.lite). To support non-
ATM applications and to maintain backward compatibility with the
MC145650, two high-speed, duplex, serial data ports are supported.
Put the pedal
to the metal.
Applications
Central Office - Line Cards and
Digital Subscriber Line Access
Multiplexers (DSLAM)
Remote Terminals - Routers/Set-
top boxes
Benefits
Higher integration drives greater
port densities at the central office
Superior performance reaches
more customers
Standards compliance ensures
fast road to interoperable
solutions
Comprehensive system solutions/
reference designs enhance time-
to-market
Key Features
Upgradeable 24-bit DSP
architecture
Single-chip ADSL DMT transceiver
including AFE, DSP, and DI
circuitry
Supports non-overlapped (FDM)
and overlapped (Echo Cancella-
tion) spectrum
Designed for worldwide standards
compliance: ANSI T1.413 Issues 1
and 2 Category I & II, ETSI ETR-
328, and ITU recommendations
G.992.1/G.992.2
Designed to support rates greater
than 9 Mbps downstream/1 Mbps
upstream
UTOPIA Level 2 ATM bus interface
ATM TC sublayer with two
independent ATM data paths
OAM buffering to minimize host
processing requirements
Four independent data interfaces
(two serial, two ATM)
Reed Solomon, FEC, Interleaving,
and Trellis Encoding
w w w . m o t o r o l a . c o m /
c o p p e r g o l d
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