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Table of Content

A detailled Feature List

Feature List

This is the feature list of the GTA04A4 (if integrated into an existing Neo1973/GTA01 or Freerunner/GTA02 case):

  • 2.8 inch LCD with VGA (640x480) and touch screen (single touch with pressure detection)
  • Processor: DM3730 (OMAP3), 800 MHz, ARMv7 (Cortex A8), NEON, integrated DSP (TMS320C64x)
  • OpenGLĀ© ES 2.0 capable 2D/3D graphics accelerator
  • 512 MB RAM
  • 512 MB NAND Flash
  • microSDHC (up to 32 GB)
  • Quad-Band GSM, EDGE, UMTS HSDPA 14.4 MBit/s, HSUPA 5.76 MBit/s Specs
  • GPS 20 channel, int/ext. Antenna
  • FM receiver and transmitter, both with RDS
  • 802.11b/g, Bluetooth 2.0
  • USB 2.0: full OTG (Client, Charger, Host)
  • Camera 1.3 Mpx (optional accessory)
  • Sensors: 3-axis Accelerometer, 3-axis Compass, 3-axis Gyroscope, Barometer/Thermometer Ambient Light
  • Audio / Video: Ear, Microphone, (Stereo) Handsfree, 2.5mm 4pin AV Jack (Composite-Video- Out, Audio in/out, Remote Control)
  • stereo speaker support (only for Neo1973/GTA01 case)
  • Battery: replaceable 3.7 V LiIon, 1200 mAh
  • Others: 2 Buttons, 4 LEDs
  • internal RS232 (full level, RX/TX/RTS/CTS/RI) - for debugging, unbricking and optional console
  • Torch/Flash controller
  • RFID tag chip with 64 kBit EEPROM
  • fits into existing Openmoko Neo1973 or Freerunner case (reversible)
  • documentation (see Manual incl. schematics) of all GPIO and signal connections to support driver development and extensions
  • 2x 60 pin expansion connector (optional)

NOTE: some features have not yet been completely tested due to lack of drivers: AUX in, Torch/Flash, RFID-EEPROM, FM-Radio


Changes from GTA04A4 to GTA04A5

  • BMP085 replaced by BMP180
  • BMA180 replaced
  • HMC5883 replaced
  • ITG3200 replaced by BMG160
  • GPS is always W2SG0084 (Sirf IV) and delivers pulse-per-second
  • 6 wire I2C expansion connector for external keyboard option
  • prepared for Case Kit connectivity of earpiece and vibramotor
  • production related changes (i.e. components substituted because of EOL; no visible change in features)

Changes from GTA04A3 to GTA04A4

  • second LIS302 accelerometer removed
  • Sensors are no longer optional but always installed
  • Si4721 no longer optional but always installed

Changes from GTA04A2 to GTA04A3

  • GTM501 replaced by GTM601W
  • BMA180 accelerometer added
  • RFID-EEPROM added
  • expansion connector added

Comparison with GTA02

  • much faster processor (with FPU, 3D-GPU, DSP)
  • more RAM/SD
  • quad-band (instead of tri-band) GSM telephony
  • UMTS (up to 14 MBit/s) instead of GPRS only
  • USB 2.0 (instead of 1.0) port with real OTG (instead of inofficial mode)
  • Sensors of Navigation board integrated
  • TV-Out (Composite Video)
  • RS232 as debug interface instead of FFC and Debug Board
  • optional Camera
  • torch/flash controller (LED optional)
  • Ambient light sensor (optional)