TomTom GO 920

From GPLdevWiki

Contents 1 Overview 2 Hardware 2.1 Major components 2.2 Photographs 2.3 Serial Console 2.3.1 Log of serial console while booting 3 Root access 4 Firmware 4.1 Original 4.2 Source 5 Links

Overview

The TomTom GO 920 is a car navigation system featuring GPS, TMC and Bluetooth.

It is quite similar to the GO 720 hardware, if not identical.

Hardware

Major components

• Samsung S3C2443XL-40
  • ARM based SoC, 400MHz
  • 12MHz and 48MHz crystals next to it
  • http://www.samsung.com/global/business/semiconductor/productInfo.do?fmly_id=229&partnum=S3C2443

• Samsung K4X51163PC-FGC
  • 32M x 16 RAM (64MByte)
• Samsung KMCEN0000M-S998
  • 4GB moviNAND (SDHC card without socket)
  • http://www.samsung.com/global/business/semiconductor/products/fusionmemory/Products_MoviNAND.html
• EON EN29LV400AB-70BIP
  • NOR flash (for bootloader)
  • http://www.channelcomp.com/Pdfs/Eon/EN29LV400.pdf
• SiRF GSC3e/LP
  • GPS receiver chip
  • http://www.sirf.com/products/GSC3LPProductInsert.pdf
• EON EN29LV400AB-70BIP
  • NOR flash (for GPS)
  • http://www.channelcomp.com/Pdfs/Eon/EN29LV400.pdf
• Wolfson WM8971
  • Audio Codec
  • http://www.wolfsonmicro.com/products/WM8971
  • http://wolfsonmicro.com/uploads/documents/en/WM8971.pdf
• INVENSENSE IDG 1004A
  • dual-axis gyroscope
  • http://www.invensense.com/shared/pdf/EB_IDG_1004A.pdf
• Kionix KXP74
  • 3-axis accelerometer
  • http://www.bnbopto.co.kr/homepage/sensor/accelerometer/4.pdf
  • http://www.bnbopto.co.kr/homepage/sensor/accelerometer/4.pdf

Photographs

See http://laforge.gnumonks.org/photoalbum/devices/tomtom_go920t/index.html for hardware disassembly and PCB photographs

Serial Console

FIXME

Log of serial console while booting

FIXME: This is hard

Root access

FIXME

Firmware

Original

FIXME

Source

FIXME

Links

FIXME