Texas Instruments AR7

Short description: ADSL modem chip

ADSL router with TI AR7 chip as central processor.

The Texas Instruments AR7 or TI-AR7 is a fully integrated single-chip ADSL CPE access router solution. The AR7 combines a MIPS32 processor, a DSP-based digital transceiver, and an ADSL analog front end.

## Contents

* 1 Ownership history
* 2 Features
* 3 Options
* 4 References
* 5 External links

## Ownership history

In 2007, TI sold its DSL business to Infineon.[1][2]

In 2009, Infineon Technologies spins off its wireline division to Lantiq.[3]

On November 6, 2009, Lantiq announced that it became a standalone company.[4]

## Features

* Integrated high performance MIPS 4KEc 32-Bit RISC processor
* ADSL PHY subsystem based on TI C62x DSP, with integrated transceiver, codec, line driver, and line receiver
* Hardware accelerated ATM Segmentation and Reassembly (SAR)
* Integrated IEEE 802.3 PHY
* Two IEEE 802.3 MACs with integrated Media Independent Interface (MII) and Quality of Service (QoS)
* Integrated USB 1.1 compliant transceiver (slave only)
* Two VLYNQ interfaces for compatible high-speed expansion devices
* Two 16c550 compatible UARTs
* EJTAG, GPIO and "Flexible Serial Interface" (FSER) interfaces
* 4 KiB PROM (0xBFC00000) and 4KiB RAM (0x80000000) on the chip for boot purposes
* Physical package of a 324 BGA with 1.0-mm ball pitch

## Options

* Texas Instruments TNETD7300GDUAR7DB
* AR7RD
* AR7WRD (TNETD7300GDU) is an AR7 option with an interface for WiFi card.
* AR7VWI : DSL \+ VoIP + Wireless
* AR7VW
* AR7WI
* AR7V : DSL + VoIP
* The Adam2 bootloader[5]
* The Pspboot bootloader[6]

Devices based on the Texas Instruments AR7

* Actiontec GT701
* Acorp W400G/W422G
* Asus AAM6010EV : TNETD7300GDU, 2Mb FLASH, 8Mb SDRAM
* AVM Fritz!Box
* Aztech DSL-600E: 2Mb FLASH, 8Mb SDRAM
* Aztech DSL600ER: 2Mb FLASH, 8Mb SDRAM, 88E6060 Switch
* Aztech DSL600EW: 4Mb FLASH, 16Mb SDRAM, 88E6060 Switch, TNETW1130
* D-Link DSL-xxxT (like 300T)
* D-Link DVA-G3342SB (DSL board only)
* ECI B-FOCuS combo 352+, B-FOCuS Router 312+A
* devolo dsl+ 1100 duo, dsl+ 1100 LAN
* Efficient Networks, Inc / ENI SpeedStream 5100
* Huawei WA1003A
* LevelOne FBR-1416A: 2Mb FLASH, 8Mb SDRAM, 88E6060 Switch
* Linksys ADSL2MUE 4MB Flash, 16MB ram, USB + 1 Ethernet only
* Linksys AG241
* Linksys WAG200Gv1
* Linksys WAG54Gv2 and v3
* Linksys WAG354Gv1, v2, and v2.1
* Linksys HG200
* Netgear DG834(G) (Version 1, 2, and 3 have AR7 Chipset; version 4 has Broadcom chipset)
* Paradyne (Zhone Technologies) Hotwire 6210-A2, 6211-A2, and 6381-A2 (OEM Asus AAM6010EV)
* Pluscom AWR-7200
* Safecom SWART2-54125
* Shiro DSL805(E/EU/EW)
* Siemens SX541 uses real-time OS (SOHO.BIN) and BRN Boot Loader from the Broad Net Technology, Inc.
* Siemens SpeedStream 4100/4200/5620/SE567
* Sitecom WL-108
* Surecom 9410SX-g
* Solwise ADSL-SAR-600E/SAR600EW/SAR605EW
* Sphairon Turbolink JDR454WB WLAN ADSL Modem (2548 937939)
* T-Com Sinus 154 DSL SE
* T-Com Sinus 154 DSL Basic SE
* T-Com Sinus 154 DSL Basic 3
* T-Com Speedport W501V
* T-Com Speedport W701V
* TRENDnet TEW-435BRM v1
* Westell WireSpeed 2000 and ProLine 6100
* ZyXEL Prestige 660 Series ADSL 2+ Modem/Router - Prestige 660M-67 (Arcor-DSL Speed-Modem 50Z)
* 3Com Officeconnect 3crwdr100x series 3Com 3rcwdr100x series ADSL firewall router

Third-party firmware

* RouterTech has released open source firmware.[7]
* OpenWrt has open source firmware in development, available for testing.[8]
* DGTeam [1]

## References

1. ↑ Infineon Technologies
2. ↑ "Infineon buys TI's DSL business". http://www.eetimes.com/electronics-news/4072908/Infineon-buys-TI-s-DSL-business.
3. ↑ "Infineon's Wireline Division Will Become LANTIQ". http://www.infineon.com/cms/en/corporate/press/news/releases/2009/INFWLC200908-077.html.
4. ↑ "Infineon completes the sale of Wireline business; Lantiq becomes a stand alone company". http://www.lantiq.com/news/press/121-infineon-completes-the-sale-of-wireline-business-lantiq-becomes-a-stand-alone-company/.
5. ↑ "Adam2 [Old OpenWrt Wiki]". http://wiki.openwrt.org/doc/techref/bootloader/adam2.
6. ↑ "PSPBoot [Old OpenWrt Wiki]". http://wiki.openwrt.org/doc/techref/bootloader/pspboot.
7. ↑ RouterTech Home Page
8. ↑ OpenWrt Page on AR7 Firmware

## External links

* www.lantiq.com – Lantiq XWAY™ AR7
* linux-mips.org – AR7 wiki
* ar7.wikispaces.com – AR7 wiki
* wehavemorefun.de – Fritz!Box Wiki

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