Radxa Zero 3E

by Radxa

Image of Board

RADXA Zero 3E is an Rockchip RK3566 64bit quad core based Mini SBC in the same form factor as the Raspberry Pi Zero, but with much, much more power. It has quad-core power with up to 8GB LPDDR4 RAM that has similar dimensions to a USB stick.

Technical details

  • Rockchip RK3566 64bit quad core processor Quad‑core Arm® Cortex®‑A55 (ARMv8) 64‑bit @ 1.6GHz
  • Arm Mali™‑G52‑2EE, OpenGL® ES1.1/2.0/3.2, Vulkan® 1.1, OpenCL™ 2.0
  • LPDDR4 1GB /2GB /4GB /8GB
  • TF Card Slot
  • 1080p@60fps via Micro HDMI
  • H.264/H.265 decoder up to 4K@60fps
  • H.264/H265 encoder up to 1080p@60fps
  • USB 3.0 HOST
  • Micro USB 2.0 OTG (for power and data)
  • MIPI CSI Camera Interface (4-lane MIPI CSI)
  • Gigabit Ethernet with PoE support (additional PoE HAT required)
  • up to 5 x UART
  • 1 x SPI bus
  • up to 2 x I2C bus
  • 1 x PCM/I2S
  • up to 6 x PWM
  • up to 28 x GPIO
  • 2 x 5V DC power in
  • 2 x 3.3V power pin
  • ARMv8 Instruction Set
  • Debian/Ubuntu Linux support
  • Hardware access/control library for Linux
  • Size 65mm x 30mm

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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.