size

Length 44mm x Width 44mm x Height 3.0mm

CPU

Allwinner A40i quad-core clocked at 1.2GHz

GPU

Mali-400 MP2 GPU

Memory

DDR3 standard 1G (2G batch optional)

memory

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

power management

AXP221S supports standby, key switch

Operating Voltage

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

support system

Android 7.1+Linux3.10 / QT5.4.1+Linux3.10

operating temperature

-10 to +75 degrees

life

The continuous operation life is more than 5 years

USB interface

3-way USB interface, 2-way independent USB port, 1-way independent OTG

UART serial port

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

GPIO interface

50-way GPIO (remark: with multiplexing function)

PWM interface

8-way PWM 3.3V level

MIPI DSI display

1 channel maximum 1920x1080 1080P 60fps

LVDS display

1 channel LVDS maximum support 1920x1080 1080P 60fps

RGB display

1 channel RGB 888 output supports up to 1920x1080 1080P 60fps

HDMI display

1 channel HDMI output 1920x1080 1080P 60fps

CVBS output

1 channel CVBS output

CVBS input

1 channel CVBS input

voice output

1 left and right channel output, 5W power amplifier on the bottom board

Voice input

1 microphone input

CAN bus

1 channel CAN BUS 2.0 bus

SDIO interface

2 SDIO interfaces, one TF card, the other WIFI

IR infrared interface

1 channel IR infrared receiving interface

ADC interface

1 channel ADC interface

I2C interface

3-way I2C interface

SPI interface

3-way SPI interface

ethernet

One GMAC PHY interface, connected to 100M PHY chip by default

output power

Multiple power output 1.8V 2.8V 3.3V

System Upgrade

Support local USB upgrade

function list

Android 7.1
Linux kernel 3.10

QT5.4.1
Linux kernel 3.10

hardware function

7 inch MIPI screen + I2C touch (1024x600)

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8 inch MIPI screen + I2C touch (800x1280)

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10.1 inch LVDS screen + I2C touch (1204x600)

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Dual 8 LVDS 1920x1080 displays

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√

HDMI interface

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LVDS interface

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√

MIPI interface

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√

Capacitive screen interface

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Capacitive screen interface

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usb camera

√

√

USB HOST interface

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USB OTG HOST interface

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USB OTG device interface

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√

CAN bus

No demand

No demand

Infrared receiver

No demand

No demand

DVP camera interface

No demand

No demand

GPIOs

√

√

button

√

√

SDIO AP6236 WIFI 150Mbps

√

√

SDIO AP6236 BT 4.2

√

No demand

Ethernet 10M/100M

√

√

trumpet

√

√

microphone

√

√

serial port

√

√

TF card

√

√

RTC time saving

√

√

4G communication EC20

√

√

driver list

AXP221S PMIC driver

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Ethernet RTL8201CP driver

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SDIO WIFI+BT AP6236 driver

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UART serial driver

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MIPI DSI display driver

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LVDS display driver

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I2C touch screen driver

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RTC time saving driver

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CVBS output driver

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CVBS input driver

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EC20 driver

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SPI driver

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ADC driver

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I2C driver

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PWM driver

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SDIO driver

√

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GPIO driver

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USB drive

√

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software function

Dual screen simultaneous display

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Dual-screen different display (HDMI_LVDS)

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Dual-screen different display (HDMI_MIPI)

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√

Simultaneous preview of usb dual cameras

√

No demand

WIFI hotspot

√

No demand

USB printer

√

No demand

USB upgrade

√

√

reset

√

No demand

body sleep wake up

√

No demand

Power parameters

Voltage

6.5V

12V

15V

ripple

--

50mV

120mV

electric current

65mA

--

--

supply current

(not connected to other peripherals)

Boot current

85mA

130mA

315mA

Play sound

95mA

139mA

172mA

Connect to HMDI boot current

106mA

185mA

305mA

supply current

(connected to the display)

MIPI 1024x600

98mA

232 mA

312 mA

environment

Relative humidity

--

65%

75%

Operating temperature

-10°C

--

75°C

storage temperature

-30°C

-0°C

100°C