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CX81801 Fiches technique(PDF) 1 Page - Synaptics Incorporated.

No de pièce CX81801
Description  Serial/Parallel Modem with 3rd
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Fabricant  CONEXANT [Synaptics Incorporated.]
Site Internet  https://www.synaptics.com/
Logo CONEXANT - Synaptics Incorporated.

CX81801 Fiches technique(HTML) 1 Page - Synaptics Incorporated.

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Embeded Dial-Up Modems
Controller-Based Modems
Distinguishing Features
• V.92, V.34 and V.32bis options
- V.92 includes Modem-on-Hold,
Quick Connect, and PCM Upstream
• Fax modem send and receive rates
up to 14.4 kbps
• FastPOS (V.29) and V.22 fast connect
• V.44/V.42bis and MNP5 data compression
• V.42 and MNP2-4 error correction
• 128-pinTQFP package available
- Serial or parallel interface
- Optional full-duplex speakerphone
- SmartDAA 3 or SmartDAA option
• 28-pin CTLGA package available
- Serial interface
- Pin-compatible with CX84100 V.22bis modem
- Small form-factor
- SmartDAA 3
• SmartDAA 3
- Line-in-use detection
- Digital Line Guard (programmable)
- Extension Pick-up detection
- Remote Hang-up detection
• Worldwide support
• Quick time-to-market
• Low-cost solution
• Optional Pb-free devices available
Part Number
CX81801
Description
Serial/Parallel Modem with 3rd
Generation SmartDAA and Speakerphone
Support
Serial/Parallel Modem with 3rd Generation
SmartDAA and Speakerphone Support
CX81801
CX81801 Modem Block Diagram
Serial DTE
Interface
or
Parallel
Host Bus
(128 TQFP
only)
Digital
Isolation
Barrier
(DIB)
Telephone
Line
Telephone
Line Interface
Discrete
Components
Tip
Ring
Cx81801
Smart Modem
28-pin CTlgA
or
128-Pin TQfP
Cx20493
(28-Pin QfN)
SmartDAA
line Side Device
(lSD)
Cx20442
voice Codec (vC)
32-Pin TQfP
(optional for
128 TQfP only)
Handset
(Optional)
Tip
Ring
(Optional)
Mic
Speaker
Controller-Based Modem with SmartDAA® 3
for Embedded Applications
Conexant’s broadband communications portfolio includes a comprehensive suite
of semiconductor solutions that enable the digital home and information network.
The Conexant CX81801 modem is ideal for embedded applications such as POS
Terminals, Set-Top Boxes, Video Recorders, Metering, Security, Remote Site
Management and any other application that requires robust dial-up connectivity.
The device set integrates the micro controller, digital signal processor, memory and a
worldwide DAA/telephone line interface function that operates with PSTN telephone
lines worldwide.
The CX81801 modem supports data/fax/Telephone Answering Machine (TAM)
with up to 56 kbps analog data and 14.4 kbps fax modem operation. The V.92 modem
includes V.92 features such as Quick Connect, Modem-on-Holdand
PCM Upstream. The modem device is also available in V.34 and V.32bis options.
The CX81801 modem device set consists of a CX81801 modem in either a 128-pin
TQFP or 28-pin CTLGA package, and a Line Side Device (LSD). The CX81801 128-pin
TQFP supports either the SmartDAA 3 LSD (CX20493 28-pin QFN) or the SmartDAA
(CX20463 32-pin TQFP). The SmartDAA 3 requires fewer discrete components for a
low-cost solution. The CX81801 128-pin TQFP supports serial and parallel interface and
optional full-duplex speakerphone. The CX81801 Modem in a 28-pin CTLGA supports
SmartDAA 3 LSD (CX20493 28-pin QFN). This device targets applications that require
the smallest possible dimensions. The CTLGA package has the same footprint as a
TSSOP package. The CX81801 28-pin CTLGA supports a serial interface.


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