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==Introduction==
[[File:NanoPi Fire2A-01B.jpg|thumb|Overview]]
[[File:NanoPi Fire2A-A01.jpg|thumb|Front]]
[[File:NanoPi Fire2A-B01.jpg|thumb|Back]]
* The NanoPi Fire 2A is a super tiny Quad-Core Cortex-A9 ARM board. It uses Samsung's S5P4418 SoC and has onboard 512M DDR3 RAM. The Fire2A has a Gbps Ethernet, MicroHDMI port, CMOS camera interface and RGB LCD interface. Its GPIOs are compatible with RPi's GPIO. Its size is only 75 x 40 mm.
* The NanoPi Fire 2A has an MCU based power management system and supports dynamic voltage control with good performance and reliability. FriendlyElec provides image files of FriendlyCore (based on UbuntuCore 16.04) and Debian for NanoPi Fire2A. The FriendlyCore image has Qt-5.9 and OpenGL ES1.1/2.0, and supports video playing with hardware-decoding/encoding. It is a good choice for rapidly developing products for applications in distributed computing, artificial intelligence and embedded systems.

==Hardware Spec==
* CPU: S5P4418, 400MHz~1.4GHz, DVFS, dynamic voltage control, scaling up to 1.4G Hz
* RAM: 512MB DDR3
* Connectivity: Gbps Ethernet port
* PMU Power Management: Implemented by a Cortex-M0 MCU, support software power-off, and RTC alarm power-on functions
* USB 2.0 Type A x 1
* Debug Serial Port/UART0 x 1
* microSD Slot x 1
* microUSB x 1: for data transmission and power input
* LCD Interface: 0.5 mm pitch SMT FPC seat, for full-color LCD (RGB: 8-8-8)
* HDMI: HDMI 1.4A, microHDMI(Type-D), 1080P60
* DVP Camera Interface: 0.5mm spacing FPC socket. It includes ITU-R BT 601/656 8-bit, I2C, PWM and IO
* GPIO: 2.54mm spacing 40pin, compatible with Raspberry Pi's GPIO. It includes UART, SPI, I2C, PWM, IO etc
* Button: Power Button x 1, Reset Button x 1
* LED: LED for Power Indication x 1, System LED x 1
* RTC: RTC Battery Seat
* PCB Dimension: 75 x 40mm
* Power: DC 5V/2A
* Temperature measuring range: -20℃ to 80℃
* OS: FriendlyCore(based on Ubuntu16.04 with Linux Kernel 4.4, Qt 5.10.0 and OpenGL2.0) and Debian
[[File:NanoPi Fire2A-B03.png|frameless|500px|compact]]

==Software Features==
===FriendlyCore (Based on UbuntuCore16.04 with Qt 5.10.0 and OpenGL ES1.1/2.0)===
* Linux Kernel 4.4
* npi-config: npi-config: system configuration utility for setting passwords, language, timezone, hostname, SSH and  auto-login
* networkmanager: manage network
* system log output from serial port
* welcome window with basic system information and status
* auto-login with user account "pi" with access to npi-config 
* LibMali & OpenGL2.0 driver supported
* Qt 5.10.0 TLS  with OpenGL hardware acceleration
* HD video playing with hardware decoding
* GStreamer 1.0 with VPU hardware acceleration
* RPI.GPIO Support: work in progress, not ready yet
* WiringPi Support: work in progress, not ready yet

==Diagram, Layout and Dimension==
===Layout===
[[File:NanoPi-Fire2A-1709-IF.png |thumb|600px|NanoPi Fire2A Layout]]

* '''GPIO Pin Spec'''
::{| class="wikitable"
|-
|Pin# || Name          ||Pin#  || Name     
|-
|1    || SYS_3.3V  ||2     || VDD_5V
|-
|3    || I2C0_SDA      ||4     || VDD_5V
|- 
|5    || I2C0_SCL      ||6     || DGND
|-
|7    || GPIOD8/PPM       ||8     || UART3_TXD/GPIOD21
|-
|9    || DGND          ||10    || UART3_RXD/GPIOD17  
|-
|11   || UART4_TX/GPIOB29       ||12    || GPIOD1/PWM0
|-
|13   || GPIOB30       ||14    || DGND
|-
|15   || GPIOB31      ||16    || GPIOC14/PWM2
|-
|17   || SYS_3.3V ||18    || GPIOB27
|-
|19   || SPI0_MOSI/GPIOC31     ||20    || DGND
|-
|21   || SPI0_MISO/GPIOD0     ||22    || UART4_RX/GPIOB28
|-
|23   || SPI0_CLK/GPIOC29     ||24    || SPI0_CS/GPIOC30
|-
|25   || DGND          ||26     || GPIOB26
|-
|27   || I2C1_SDA      ||28     || I2C1_SCL
|-
|29   || GPIOC8        ||30     || DGND
|-
|31   || GPIOC7      ||32     || GPIOC28
|-
|33   || GPIOC13/PWM1       ||34     || DGND
|-
|35   || SPI2_MISO/GPIOC11    ||36     || SPI2_CS/GPIOC10
|-
|37   || AliveGPIO3     ||38     || SPI2_MOSI/GPIOC12
|-
|39   || DGND          ||40     || SPI2_CLK/GPIOC9
|}


* '''Debug Port（UART0）'''
::{| class="wikitable"
|-
|Pin# || Name       
|-
|1    || DGND    
|-
|2    || VDD_5V    
|- 
|3    || UART_TXD0    
|-
|4    || UART_RXD0 
|}

*''' DVP Camera Interface Pin Spec'''
::{| class="wikitable"
|-
|Pin# || Name       
|-
|1, 2 || SYS_3.3V
|-
|7,9,13,15,24 || DGND
|-
|3    || I2C0_SCL 
|- 
|4    || I2C0_SDA  
|-
|5    || GPIOB14 
|-
|6    || GPIOB16
|-
|8    || GPIOC13/PWM1
|-
|10   || NC
|-
|11   || VSYNC
|-
|12   || HREF
|-
|14   || PCLK
|-
|16-23 || Data bit7-0
|}

* '''RGB LCD Interface Pin Spec'''
::{| class="wikitable"
|-
|Pin# || Name   || Description   
|-
|1, 2 || VDD_5V || 5V output, LCD power
|-
|11，20，29, 37，38，39，40, 45|| DGND || ground
|-
|3-10    || Blue LSB to MSB  || RGB Blue
|- 
|12-19   || Green LSB to MSB || RGB Green
|-
|21-28   || Red LSB to MSB   || RGB Red
|-
|30      || GPIOB25          || available for users
|-
|31      || GPIOC15          || occupied by FriendlyElec one wire technology to recognize LCD models and control backlight and implement resistive touch, not applicable for users
|-    
|32      || XnRSTOUT Form CPU || low when system is reset
|-
|33      || VDEN  || signal the external LCD that data is valid on the data bus
|-
|34      || VSYNC || vertical synchronization 
|-
|35      || HSYNC || horizontal synchronization
|-
|36      || LCDCLK || LCD clock, Pixel frequency
|-
|41      || I2C2_SCL   || I2C2 clock signal, for capacitive touch's data transmission 
|-
|42      || I2C2_SDA   || I2C2 data signal, for capacitive touch's data transmission
|-
|43      || GPIOC16 || interrupt pin for capacitive touch, used with I2C2
|-
|44      || NC   || not connected
|}

*'''RTC'''
:3.35uA@3V

* '''USB 2.0 Host'''
: with 1A over current protection 

:'''Note'''
::#SYS_3.3V: 3.3V power output
::#VDD_5V: 5V power input/output. When the external device’s power is greater than the MicroUSB’s the external device is charging the board otherwise the board powers the external device. The input range is 4.7V ~ 5.5V
::#For more details please refer to the schematic. [http://wiki.friendlyelec.com/wiki/images/7/72/NanoPi_Fire_3_2A_1709_Schematic.pdf NanoPi Fire2A 1709 Schematic.pdf]

===Board Dimension===
[[File:NanoPi_Fire_3_2A_1709-Dimensions.png|frameless|500px|NanoPi Fire2A Dimensions]]

::For more details please refer to the dxf drawimg document.[http://wiki.friendlyelec.com/wiki/images/e/ea/NanoPi_Fire_3_2A_1709_Drawing%28dxf%29.zip NanoPi Fire2A 1709 dxf文件]

==Get Started==
===Essentials You Need===
Before play with your NanoPi Fire2A please get the following items ready
* NanoPi Fire2A
* microSD Card/TFCard: Class 10 or Above, minimum 8GB SDHC
* microUSB power. A 5V/2A power is a must
* HDMI monitor or LCD  
* USB keyboard and mouse
* A Host running Ubuntu 18.04 64 bit system
{{S5P4418BootFromSDCard|NanoPi-Fire2A}}
{{BurnOSToEMMC|NanoPi-Fire2A|s5p4418-eflasher}}
{{S5PXX18MakeSDCardViaSDFusing|NanoPi-Fire2A|sd-fuse_s5p4418}}
{{ResizeTFCardFS|NanoPi-Fire2A}}
{{S5Pxx18HDMI|NanoPi-Fire2A|arch/arm/plat-s5p4418/nanopi2/lcds.c}}
{{S5Pxx18MofidyKernelCommandLineOnHostPC|NanoPi-Fire2A|sd-fuse_s5p4418}}
{{NanoPCStartToUse|NanoPi-Fire2A}}
{{FriendlyCoreGeneral|NanoPi-Fire2A}}
{{FriendlyCoreRunX11Application|NanoPi-Fire2A}}
{{FriendlyCoreS5Pxx18|NanoPi-Fire2A}}
{{UbuntuXenial-Armhf-Install-Docker|NanoPi-Fire2A}}
{{S5Pxx18Android|NanoPi-Fire2A}}
{{S5P4418BuildFromSource|NanoPi-Fire2A}}
{{S5P4418-KernelHeaderFile|NanoPi-Fire2A}}
{{S5Pxx18ExternalModules|NanoPi-Fire2A}}
{{S5Pxx18AccessHWUnderAndroid|NanoPi-Fire2A}}
{{S5Pxx18ConnectToLCDModules|NanoPi-Fire2A}}
{{S5Pxx18HWfiles|NanoPi-Fire2A}}
{{S5P4418Resources|NanoPi-Fire2A}}
{{DownloadUrl|NanoPi-Fire2A}}
{{TechSupport|NanoPi-Fire2A}}
{{S5P4418ChangeLog}}