Orange Pi 4 LTS

by Shenzhen Xunlong Software CO.,Limited

Image of Board

Orange Pi 4 LTS is an open-source single-board computer with dual-band wireless WiFi and Bluetooth 5.0. It is highly compact with a dimension of 56 x 91mm.

Orange Pi 4 LTS uses the Rockchip RK3399(28nm HKMG Process), and has 3 GB /4GB LPDDR4 SDRAM, 16GB EMMC Flash(option). It can run Android 8.1,Ubuntu16.04,Ubuntu18.04,Debian9. Orange Pi 4 LTS offers a range of different ports, including HDMI output, 26pin headers, LCD connector, Gbps Ethernet port, 2USB 2.0, 1USB 3.0, 1*USB 3.0 TYPE-C, mini PCIE connector etc. It is powered through DC and Type-C. It is a good choice for applications that need strong networking perfomance.

Hardware specification

  • Rockchip RK3399 (4GB) or Rockchip RK3399-T(3GB)
  • Based on the large and small size of big.LITTLE core architecture:Dual-core Cortex-A72 (large core)+ Quad-core Cortex-A53(small core)
  • 6-core ARMR64-bit processor ,main frequency speeds up to 1.6GHz(3GB)/1.8 GHz(4GB)
  • High-performance Multi-core Mali-T860 GPU
  • Supports OpenGL ES1.1/2.0/3.0/3.1, OpenVG1.1, OpenCL, DX11
  • Support for AFBC
  • RK808 PMU
  • 3 GB /4GB LPDDR4
  • 16GB EMMC Flash (option)
  • MicroSD (TF) Card Slot
  • Support 10/100M/1000M Ethernet (YT8531C)
  • CDW.20U5622-00
  • Support IEEE 802.11 a/b/g/n/ac, 2T2R • Support BT 5.0
  • HDMI 2.0,Supports [email protected] output
  • 1* DP 1.2(Display Port), Supports [email protected] output
  • Supports Dual MIPl-DSI (4 lines Per Channel)
  • Output: 3.5mm Jack and HDMI2.0a
  • lnput: MIC
  • 2 * MIPI-CSl Camera Connector (MIPI_RXO、MIPI_TX1/RX1)
  • 2 * USB2.0 ,1*USB3.0,1 * USB3.0 Type-C
  • 3 pins Debug UART
  • GPIO1 26 pins
  • Support Mini PCIe port
  • Upgrade Key & Reset Key
  • DC 5V/3A or 5V/4A, TYPE-C 5V/4A
  • Power led & Status led
  • Android, Ubuntu, Debian

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Adafruit Blinka Installation

We use a special library called adafruit_blinka (named after Blinka, the CircuitPython mascot) to provide the layer that translates the CircuitPython hardware API to whatever library the Linux board provides.

For example, on Raspberry Pi we use the python RPi.GPIO library. For any I2C interfacing we'll use ioctl messages to the /dev/i2c device. For SPI we'll use the spidev python library, etc. These details don't matter so much because they all happen underneath the adafruit_blinka layer.