size

Length 69.6mm x Width 45mm x Height 4.8mm

CPU

Ruichip RV1126 quad-core main frequency 1200MHz

NPU

2.0 TOPS NPU

Memory

DDR4 standard 1G (2G batch optional)

memory

eMMC standard 8G (4G/16G/32G/64G batch optional)

power management

RK809-2 supports dynamic power management

Operating Voltage

Input voltage 5V, maximum power less than 2W (without any peripherals)

support system

Linux 4.19 + QT 5.12

operating temperature

-10 to +75 degrees

USB interface

Two-way USB, one independent OTG, one independent HOST

UART serial port

6 channels of TTL 3.3V level, one of which is Debug

GPIO interface

98-way GPIO (remark: there is a multiplexing function, please check the pin definition in this specification)

PWM interface

The 12 channels of PWM have 3.3V/1.8V levels respectively (please check the pin definition in this specification)

MIPI DSI display

1 channel maximum 1920x1080 60fps

RGB display

1 channel RGB 888 display interface, maximum 1920x1080

DVP camera interface

1 channel 16-bit parallel DVP camera interface

MIPI camera interface

2-way MIPI CSI RAW data camera interface

voice output

1 left and right channel output, 10W power amplifier on the bottom board

Voice input

1 channel PDM digital silicon microphone input, 1 channel analog LANE_IN input

SDIO interface

2-way SDIO interface, one way TF card, the other way can be connected to WIFI

IR infrared interface

1 channel IR infrared receiving interface

ADC interface

6 ADC interfaces

I2C interface

5-way I2C interface

SPI interface

2 way SPI interface

CAN

1 channel CAN bus

ethernet

One RGMII PHY interface, Gigabit Ethernet

System Upgrade

Support local USB upgrade

function list

Linux kernel 4.19
buildroot+qt5.12

Linux kernel 4.19
ubuntu20.04

hardware function

RTC time saving HY8563

√

√

power button, power button

√

√

Reset button

√

√

Burn chain

√

√

Function key ADC0

√

√

USB OTG device mode ADB

√

USB OTG HOST mode

√

√

USB HOST interface

√

√

TF card up to 128GB

√

√

Debug serial port 2

√

√

4-way functional serial port 1,3,4,5

√

√

5-way controllable GPIO

√

√

5 ADC interfaces

√

√

MIPI camera interface IMX307

√

√

MIPI camera interface binocular GC2093

√

√ (only monocular is supported for now)

MIPI camera interface binocular GC2053+OV2718

√

√ (only monocular is supported for now)

USB camera YVC

√

√

Simultaneous preview of usb dual cameras

MIPI display + touch screen up to 1920x1080

√

√

headphone output

√

√

Speaker output (with headphone detection function)

√

√

LANE IN two-channel voice input

√

√

PDM digital silicon microphone

√

√

SDIO wifi AP6256 5G dual band

√

√

BT Bluetooth 5.0+BLE

√

√

Gigabit Ethernet RTL8211F Adaptive 100/1000M

√

√

4G communication EC20

√

√

reset

√

√

WIFI hotspot

√

√

body sleep wake up

√

USB to serial port

√

√

USB port

√

√

WIFI miracase receiver

Watchdog API calls

√

√

driver list

rk809-2 PMIC driver

√

√

Ethernet RTL8211F driver

√

√

SDIO WIFI+BT AP6256 driver

√

√

UART serial driver

√

√

MIPI display driver

√

√

I2C touch screen driver

√

√

RTC time saving driver

√

√

EC20 driver

√

√

SPI driver

√

√

ADC driver

√

√

I2C driver

√

√

PWM driver

√

√

SDIO driver

√

√

GPIO driver

√

√

USB drive

√

√

Power parameters

Voltage

6.5V

12V

15V

ripple