Size

140mm length *110mm width *12mm height

Connection mode

Core board + bottom board method (stamp hole and patch welding type)

CPU

Hisilicon Hi3516 DV500 Dual-Core A55 Frequency at 800MHz

NPU

2 TOPs

Memory

DDR4 standard 1GB/2GB optional 4G

Storage device

EMMC 5.1 standard 8GB optional 16GB/32G/64G/128G

Power management

Design of discrete power supply

Working voltage

12V 2A or above

Support system

Linux 5.10 BusyBox1.34.1

Operating temperature

-10 + 75 degrees

USB HOST2.0

5 USB channels, including 1 OTG channel

USB HOST3.0

1 external standard USB 3.0

serial port

6 TTL serial ports, one of which is DEBUG

MIPI DSI display

1 channel DSI display output up to 1920x1200

MIPI CSI input

2-way CSI MIPI camera interface

Ethernet

2-channel Ethernet Gigabit +100M

Voice output

1-way headset left and right channel output, two-way loudspeaker output 5W/8

Voice input

2-way voice input

TF card

TF card interface up to 128G

WIFI

BL-M8189FS5 2.4G

SPI

2-way SPI interface

RS485

1 RS485 interface (multiplexed with serial port 1)

ADC

1 ADC input

GPIO

17-way GPIO

I2C

1-way I2C interface

4G

4G features 3G/4G Internet access

RTC real-time clock

HYM8563 external button battery supports power-off time preservation

System upgrade

Support for local USB upgrades

Linux 5.10
BusyBox1.34.1

Remarks

MIPI

MIPI display screen (5-inch 720x1280 plus touch assembly)

√

MIPI display screen (5.5in 720x1280 plus touch assembly)

√

MIPI display screen (7-inch 1024x600 plus touch assembly)

√

MIPI display screen (7-inch 1200x1920 plus touch assembly)

√

MIPI display screen (8-inch 800x1280 plus touch assembly)

√

MIPI display screen (8-inch 1200x1920 plus touch assembly)

√

MIPI display screen (10.1in 800x1280 plus touch assembly)

√

MIPI display screen (10.1in 1920x1200 plus touch assembly)

√

MIPI display screen (10.1in 1200x1920 plus touch assembly)

√

RTC

RTC (built-in PMU)

√

RTC (plug-in HYM8563, power-off time saved)

√

Audio output

Loudspeaker (5W/8 can be connected to the backplane to play sound)

√

Headset (with headset detection function)

√

Audio input

Microphone input

√

LINE-IN

√

USB HOST

USB3.0 OTG standard port A (main weight equipment switching, ADB/HOST)

√

USB3.0 HOST standard A port (3.0U disk / 3.0USB camera)

√

USB2.0 HOST standard A port (2.0U disk / 2.0USB camera)

√

USB2.0 HOST pin arrangement (2.0U disk / 2.0USB camera)

√

TTL

√

RS485

√

RS232

√

SD card

SD card

√

Upgrade button (long press the power to enter the burning mode)

√

Power key

√

SPI driver

√

I2C driver

√

PWM driver

√

SDIO driver

√

GPIO driver

√

USB driver

√

TP

Single touch function is normal.

√

Multi-touch function is normal.

√

Reboot multiple times touch is normal

√

LED

The LED is always on during kernel startup.

√

Repeated insertion and unplugging can be used normally.

√

Connect the equipment to boot, restart repeatedly and enter the system can be used normally.

√

TtyUSB* node (CP210X,CH34X) can be generated by inserting part of USB to serial port.

√

The eth* node can be generated by inserting part of the USB network port.

√

Repeated insertion and unplugging is normal.

√

Plug in the boot system to recognize the status normally.

√

RTC

After power off, the hardware time is running normally.

√

Normal synchronization network time

√

GPIO

Set the output level to normal

√

The default boot output is normal.

√

Set input acquisition status is normal

√

Root user login account password is rpdzkj

√

Debug serial port automatic login

√

Power on and mount all partitions

√

Open ssh root users can log in

√

Install wireless network instructions such as iwconfig iw iwlist by default

√

Install iperf ip route ifconfig udhcpc by default

√

The default boot automatically acquires the ip address.

√

Install CAN bus test tools by default

√

Install scp lrzsz by default

√

The sound card is configured by default, which can be played and recorded directly.

√

Configure the wlan1 node by default

√

Note whether the NTP server can access it.

√

Functional test script

Serial port test script

√

Audio test script

√

4G test script

√

Network test script

√

RTC

√

GPIO

√

WIFI

WIFI opens normally, and scan connection WIFI

√

WIFI connection script command

√

Open, connect, surf the Internet is normal

√

Repeat the switch and turn on normally.

√

Restart can be opened automatically.

√

Ethernet

Automatically get IP after connecting the network cable

√

Ping public network is normal.

√

The browser surfs the Internet normally.

√

Plug and unplug the network cable many times after power on, and connect to the network normally.

√

Plug in the network cable before power on, and connect to the network normally.

√

Normal use of static IP

√

4G

Boot to get the network automatically, and the browser accesses the Internet

√

After connecting, unplug the module and plug it in to reconnect.

√

After connecting, unplug the antenna, disconnect and plug in the antenna to reconnect.

√

Ping testing the stability of long-term connection

√

SD card

The SD card can be properly identified and mounted automatically.

√

The file browser can read and write files normally.

√

Repeated plugging and unplugging can be identified normally.

√

After the SD card is inserted, it can be powered on normally and can be identified normally.

√

U disk

The USB disk can be properly identified and mounted automatically.

√

The file browser can read and write files normally.

√

Repeated plugging and unplugging can be identified normally.

√

SPI

The / dev/spi node can be generated, and the test of connecting SPI module is normal.

√

IIC

The / dev/I2C node can be generated, and the test of connecting SPI module is normal.

√

UART

Each baud rate communicates with the computer normally.

√

Multi-channel automatic transceiver is normal

√

Temperature

Test project

25 degrees Celsius

Soft restart

24 hours

PASS

Hard restart

24 hours

PASS

RK stress Test / CPU stress Test

24 hours

PASS

Monkey/ random

24 hours

PASS

85 degrees Celsius

Hard restart

24 hours

PASS

RK stress Test / CPU stress Test

24 hours

PASS

Monkey/ random

24 hours

PASS

-40 degrees Celsius

Hard restart

24 hours

PASS

Power supply parameters

Voltage

11V

12V

15V

Ripple

50mV

3V RTC power consumption

0.9uA

Motherboard current test

(no other peripherals are connected)

Power-on current

110mA

223mA

355mA

Desktop static current

135mA

Motherboard current test

Connect the 7-inch 1024x600

Power-on current

215mA

295mA

345mA

Desktop static current

245mA

Environment

Relative humidity

--

65%

75%

Operating temperature

-10 ℃

--

75 ℃

Storage temperature

-40 ℃

-0 ℃

100 ℃