To provide reference for the design of SCH and PCB source file

The system platform use environment

Model A20 universal /A20 core board Super Core Board operating system Android 4.2, temperature 0 ° C~40 ° C 

Expansion function module interface

TFT LCD supports 800*480800*6001024*6001024*7681280*8001920*1080 TFT screen

TSC supports the screen resistance / capacitance screen

IIC*2 supports mount resistance capacitance screen, sensors and other IIC equipment

UART*2 can be extended to GPS, BT module

SDHC*2 supports mount WiFi AR6302 module and SDHC module, other; support SD TF Card

USB HOST2.0*2 support (EVDO, WCDMA, mount the 3G TDSCDMA), U disk, mouse, keyboard and other equipment

Audio input and output audio input and output

G-Sensor supports MMA7660FC/dmard06 gravity sensor

Camera supports 200W, 300W, 500W camera

Debug (UART) serial deb ing

OTG support PC connection; support mount 3G (EVDO, WCDMA, TDSCDMA), U disk, mouse, keyboard and other equipment

Other IO (GPIO) support physical buttons

HDMI supports HDMI 1080p, 720p output

The power supply interface, power interface

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