TZX-723Qa4

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TZX-723Qa4
Manufacturer Haehne?
Dimensions 196.3mm x 120.8mm x 9mm
Website Missing product page.
Specifications
SoC A33 @ 1.6Ghz
DRAM 512MiB DDR3
NAND 16GB
Power DC 5V @ 1.5A, 200mAh 3.7V Li-Ion battery
Features
LCD 1024x768 (7" 16:9)
Touchscreen 5-finger capacitive (Silead GSL1680)
Audio 3.5mm headphone plug, internal speaker, internal microphone
Network WiFi 802.11 b/g/n (RDA Microelectronics RDA5991),
Storage µSD
USB 1 USB2.0 OTG
Camera 0.3 MP front, 2 MP rear

This page needs to be properly filled according to the New Device Howto and the New Device Page guide.

A Q8 style cheap tablet, but with an A33 SoC.

Contents

Identification

On the back of the device, the following is printed:

The PCB has the following written on it:
TZX-723Qa4


Sunxi support

Current status

Following devices are unsupported:

  • Wifi RDA5991
  • GSL1680 touch input
  • Accelometer Dmard09 or bma150?

Images

HW-Pack

BSP

Fex file

Manual build

  • For building u-boot, use the q8_a33_tablet_1024x600_defconfig target.
  • The .fex file can be found in sunxi-boards as TZX-723Qa4.fex

Mainline U-Boot

Supported in the mainline u-boot git 'master' branch.

Mainline kernel

Use the sun8i-a33-q8-tablet.dts device-tree file for the mainline kernel.

Tips, Tricks, Caveats

Retrieving script.bin

Unlike, other allwinner devices,Script.bin is not present in the vfat partition(nanda) as file.

Instead, It is located 0x43000000, it's size is 0x00020000. script.bin can be extracted from /dev/mem using mmap().

Adding a serial port (voids warranty)

Serial connected to board

Device disassembly

Pictures

See also

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