| Functional Overview |
| CPU |
Allwinner V3S, ARM Cortex-A7, up to 1.2GHz
|
Memory and storage |
Integrated 64MB DDR2
Reserved SOP8 SPI Flash pad (customizable patch 8~32MB SPI Nor Flash, 128MB Nand Flash) Onboard half-slot TF card holder, can be started by
TF
|
display |
Universal 40P RGB LCD FPC Socket
Can be directly inserted into the common 40P 4.3/5/7 inch screen (onboard backlight driver), through the adapter board can be inserted 50P 7/9 inch screen
Support common 272x480, 480x800, 1024x600 and other resolutions
On-board resistive touch screen chip supporting resistive screen
Onboard RGB LED
|
Communication Interface |
SDIO x2, can be used with the SDIO WiFi+BT module
SPI x1, I2C x2, UART x3
100M Ether x1 (with EPHY) OTG USB x1
MIPI CSI x1
|
Other interface |
PWM x2 LRADC x1
Speakerx2 + Mic x1
|
Electrical characteristics |
Micro USB 5V power supply;
2.54mm pin 3.3V~5V power supply;
1.27mm stamp hole power supply Output 3.3V and 3.0V (AVCC), optional input RTC voltage
1GHz linux no-load running current 90~100mA, full load running current ~180mA
Storage temperature -40~125°C, operating
temperature -20~70°C
|
Software function:Support linux 3.4 bsp kernel, linux 4.16 mainline kernel
Support Qt, python and other common linux applications
| Size and weight |
| Core board size |
25.4x45.0mm |
| Development board size |
47.0x47.0mm |
| Core board weight |
5.0±0.1g |
| Development board weight |
14.5±0.5g |
| Precautions |
start up |
Zeros requires the card to start (or solder SPI flash), only plug in the USB without any
phenomenon
|
| System debug serial port |
UART0, specific position reference pin diagram
|
| USB interface |
OTG usb, power and communication
|
| Bottom debugging |
It is recommended to use usb to serial port
small board to connect "U0T R" and "G 5V"
|
| Operating temperature |
-20~85℃
|
Running current |
Running Linux no-load current is about 100mA, full load current is about 150~180mA, and LCD current is about 200~300mA. No
card power-on current is about 50~60mA |
Reference info. (Can click for more detail):1. Document
2. Github
3. BBS
4. Wiki
5. E-mail: support@sipeed.comPackage Included:1x Lichee pi board1x WiFI Module1x Plug
2x Pins
