CX11627 datasheet(9/56 Pages) CONEXANT

部件名	CX11627

功能描述	AccessRunner ADSL-USB Modem Device Set

Download	56 Pages

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制造商	CONEXANT [Synaptics Incorporated.]

网页	https://www.synaptics.com/

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9 / 56 page

AccessRunner ADSL-USB Modem Device Set Data Sheet

100427B

Conexant

1-3

1.3

Features

• Complete ADSL-USB solution

• Compliant with ADSL standards

− Full-rate ANSI T1.413 Issue 2 and ITU G.dmt (G.992.1) standards

− Splitterless ITU G.lite (G.992.2) specification

• DMT modulation and demodulation

• Full-rate adaptive modem

− Maximum downstream rate of 8 Mbps

− Maximum upstream rate of 1 Mbps

• Supports splitterless ADSL implementation

• WAN mode support: PPP over ATM (RFC 2364)

• LAN mode support: bridged Ethernet over ATM (RFC 1483)

• Tone detection for low power mode

• USB host interface

− Compliant with USB Specification, Revision 1.1

− USB full speed (12 Mbps)

− Suspend/Resume

− Vendor specific descriptors

− Bus powered USB device

• ATM SAR performed in software driver

1.3.1

P5200 USB Interface Controller Features

• CX11627 ADSL DMT Data Pump (ADDP) interface

• CX20431 ADSL Analog Front End (AFE) interface

• CX20441ADSL Line Driver (LD) interface

• Internal USB interface

• SDRAM/SRAM interface

• LED interface

• Serial EEPROM interface

• JTAG interface

• 176-pin TQFP

1.3.2

CX11627 ADSL DMT Data Pump Features

• Low power (0.5W) consumption

• DSP-based programmable ADSL data pump

• No external Interleave RAM, 16 Kbytes built-in

• Echo cancellation

• Digital interface and rate buffering

• ADSL framing

• Forward Error Correction (FEC) encoding and decoding and interleaving

• Constellation encoding/decoding

• IFFT modulation and FFT demodulation

• Transmit and receive signal digital filtering

• Time domain equalization

• Frequency domain equalization

• Clock recovery

• CRC and scrambling

• Digital interface framing

• ATM mode

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