# LicheePi Zero
## LicheePi Zero Introduction
LicheePi Zero（called Zero follow）is a tiny **Cortex-A7** CoreBoard/DevelopmentBoard，and it is suit for embeded linux learner or product development/production.
Zero is a bit longer than SD-card（~**45x26mm**）, but provide lot Peripherals（LCD,ETH,UART,SPI,I2C,PWM,SDIO...）and good performance（**24M~1.2G, 64MB DDR**）。
Zero is well designed in hardware, and it is easy to use:
* breadboard-compatible
* directly connect to 40P RGB LCD
* use OTG to power and transmit data(virtual serial port, virtual ethernet)
* stackable wifi module
* SMT-compatible
Zero provide **Mainline Linux** support and origin Camdriod (for DVR application)SDK， and you can use any program language on it.
## block diagram
## Hardware Data
### Hardware Parameter
* CPU：Allwinner V3S， ARM Cortex-A7, **1.2GHz** max
* Memory：**64MB DDR2** integrated
* Storage：
* SOP8 **SPI Flash** for boot (Reserved)（8~32MB SPI Nor Flash,128MB Nand Flash customizable）;
* **TF Card Slot** for boot.
* Display：
* General **40P RGB LCD** FPC，
* Direct plug 40P 4.3/5/7 inch LCD（onboard backlight driver），plug 50P 7/9inch LCD via convert board.
* support 272x480, 480x800,1024x600...
* Onboard RTP chip, support touch screen
* OnBoard **RGB LED**
* Communication Interface
* SDIO x2，(connect to SDIO WiFi+BT module)
* SPI x1
* I2C x2
* UART x3
* 100M Ether x1（include EPHY）
* OTG USB x1
* MIPI CSI x1
* Other Interface
* PWM x2
* LRADC x1
* Speakerx2 + Mic x1
* Electrical Characteristics
* Power Input: Micro USB 5V； 2.54mm pins 3.3V~5V； 1.27mm holes 3.3V~5V
* Power Output: 3.3V and 3.0V（AVCC）
* 1GHz linux IDLE run 90~100mA; cpu-burn run ~180mA
* Storage Temperature -40~125℃，Operation Temperature -20~70℃
* Size: 44.6x25.5mm
### Sheet&Data
NetDisk：http://pan.baidu.com/s/1eR6uIsy
Datasheet：http://ilichee.cc/doc/V3S/Allwinner_V3s_Datasheet_V1.0.pdf
SCH：http://ilichee.cc/doc/SCH_PCB/lichee_zero.pdf
PCB Lib：http://ilichee.cc/doc/SCH_PCB/Zero.IntLib
### Pins Definition
