Size

length 44mm x width 44mm x height 2.4 mm

CPU

rockchip rk3326s quad-core a35 clocked at 1.5ghz

GPU

mali g31 mp2

Memory

ddr4 standard 1g/2g (4g batch optional)

storage device

emmc comes standard with 8g (4g/16g/32g batch options)

power management

rk817 -1 supports standby, button switch the machine

working voltage

input voltage 5v maximum power less than 4w (without any peripherals)

support system

andriod13/buildroot qt5.14

operating temperature

-10 to + 75 degrees

usb interface

1-way usb supports device 2.0/host2.0

uart serial port

3-way ttl 3.3 v level, one of which is debug

pwm interface

2 PWM

lvds display

1-way single 8lvds maximum support 1280x800 60fps

mipi display

1-way mipi dsi output supports 1080p 60fps

rgb display

1-way rgb 888 output supports up to 720p 60fps

voice output

1 channel left and right stereo, 1 channel left and right differential output

voice input

2-way voice input

spi interface

2-way spi interface

i2c interface

3-way i2c interface

i2s interface

2-way i2s interface

sdio interface

2 sdio interfaces, one tf card, the other wifi.

csi camera

1-channel mipi csi camera built-in 800w isp interface

cif camera

1 channel 8-bit cif parallel port camera input

adc interface

3 channels 10-bit adc input interfaces

system upgrade

support for local usb upgrades

gpio interface

78-way gpio (note: multiplexing)

Android 13.0
kernel-5.10

Linux 5.10
Buildroot
QT5.14

Remarks

hardware function

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

√

√

mipi display screen (5.5in 1080x1920 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 (10.1in 800x1280 plus touch assembly)

√

√

rgb display (7-inch 1024x600)

√

√

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

√

√

led lamp (enter the system breathing light)

√

√

rtc (plug-in hym8563, power-off time saved)

√

√

loudspeaker (5w/8 can be connected to the backplane to play sound)

√

√

headset (with headset detection function)

√

√

microphone input (mic)

√

√

wifi(ap6256)

√

√

bluetooth (ap6256)

√

√

type-c otg

√

√

usb hub x4

√

√

cannot be shared with otg

usb2.0 host standard a port x3

√

√

cannot be shared with otg

debug serial port (can send and receive, can also be used as ordinary serial port)

√

√

serial port 0 (can send and receive data normally)

√

√

tf card (test maximum 128g tf card to transfer files to each other)

√

√

keys (reset key, upgrade key, maskram key, pwr key)

√

√

4g newsletter (move away from ec20 cat1)

√

√

external expansion gpio(i2c-nca9555)

√

√

charge management

√

√

hot swapping is not supported

mipi camera ov13850 1300w

√

√

bus driver

spi driver

√

√

adc driver

√

√

i2c driver

√

√

pwm driver

√

√

sdio driver

√

√

gpio driver

√

√

usb driver

√

√

software function

.h264 video coding 1080p 60fps

.h264 video decoding 4k 60fps

.h265 video coding 1080p 60fps

.h265 video decoding 4k 60fps

usb printer

usb upgrade

√

tf card upgrade

√

ota upgrade

restore factory settings

√

serial number

√

mac address

body sleep awakening

√

power supply parameters

Voltage

7.5V

12V

15V

Ripple

--

50mV

120mV

electric current

122mA

--

--

power supply current

(no other peripherals are connected)

power-on current

135mA

185mA

466mA

play sound

142mA

195mA

415mA

environment

relative humidity

--

65%

75%

working temperature commercial grade

-10 ℃

--

75 ℃

storage temperature

-30 ℃

-0 ℃

100 ℃