Texas Instruments AR7 explained

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.

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

AR7DB
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 http://dgteam.ilbello.com/

External links

Notes and References

[Infineon Technologies#Acquisitions and divestitures]
Web site: Infineon buys TI's DSL business.
Web site: Infineon's Wireline Division Will Become LANTIQ.
Web site: Infineon completes the sale of Wireline business; Lantiq becomes a stand alone company. https://web.archive.org/web/20101123030156/http://www.lantiq.com/news/press/121-infineon-completes-the-sale-of-wireline-business-lantiq-becomes-a-stand-alone-company. dead. 2010-11-23.
Web site: Adam2 [Old OpenWrt Wiki].
Web site: PSPBoot [Old OpenWrt Wiki].
http://routertech.org/ RouterTech Home Page
http://oldwiki.openwrt.org/AR7Port.html OpenWrt Page on AR7 Firmware