K Series IoT Board

AOYU K4 industrial mainboard

RK3399

Configuration

Platform: RK3399
CPU: RK3399 Cortex-A72 dual-core and Cortex-A53 quad-core, up to 1.8GHz
DDR: LPDDR4 2GB (4GB optional)
Storage: The default comes with an 16GB EMMC NAND chip that can scale up to 128GB

Overview

K4 industrial mainboard based on the RK3399 platform.

Platform: RK3399
CPU: RK3399 Cortex-A72 dual-core and Cortex-A53 quad-core, up to 1.8GHz
DDR: LPDDR4 2GB (4GB optional)

AOYU K4 product and integration detail 1

AOYU K4 product and integration detail 2

AOYU K4 product and integration detail 3

AOYU K4 product and integration detail 4

AOYU K4 product and integration detail 5

AoyuTeach technical support and configuration review

AOYU K4 product and integration detail 8

AOYU K4 product and integration detail 9

Specifications

K4

Hardware and interfaces

Hardware and interfaces (reference specifications) — K4
Platform	RK3399
CPU	RK3399 Cortex-A72 dual-core and Cortex-A53 quad-core, up to 1.8GHz
DDR	LPDDR4 2GB (4GB optional)
Storage	The default comes with an 16GB EMMC NAND chip that can scale up to 128GB
LVDS	30-pin industry-standard dual LVDS supporting VESA/JEITA format up to 1080P output
MIPI-DSI	31-Pin FPC MIPI-DSI display port supporting up to 1920x1200
HDMI Output	HDMI 2.0a standard display interface supports up to 4K output
HDMI Input	HDMI 1.4 standard video input interface supports 720P and 1080P signals
EDP	20-pin industry-standard EDP supporting 1~4 lanes format up to 1080P output
/HP/MIC	Support CTIA 4-pole HP/Mic socket (Left-Right-GND-MIC)
Line Output	Support standard left and right channel line output (pin header+headphone jack)
Amplifier output	8 Ohm 6W Dual Audio Amplifier Output
MIC Input	Single-End MIC input (pin header)
Line Input	Support standard left and right channel line input (pin header)
USB Interface	2 horizontal connectors (USB 3.0x1 and USB2.0x1), 7 pin headers (USB 3.0x1 and USB 2.0x6), 1 USB 3.0 Type-C connector
Serial Port	1 TTL, 1 TTL/485 compatible, 4 extended TTL/RS-232 compatible
Micro SD Card	Self-elastic micro SD card socket, up to 128GB capacity
Camera	Support USB camera within 5 million pixels
WiFi	Built-in high performance SDIO interface WiFi module, support IEEE 802.11 b/g/n/ac
Bluetooth	Built-in high performance serial interface BT module (optional) with support for V2.1+EDR/BT v3.0/BT v3.0+HS/BT v4.0
Ethernet	10/100/1000M Adaptive Ethernet RJ45 connector
MiniPCI-E 4G	Industry standard MiniPCI-E 4G module interface
Baclight Control	Industry standard LCD backlight control header, support for backlight switch and brightness adjustment
Infrared RC	Standard infrared remote control receiver and infrared receiver pin header
GPIO Signals	8-way GPIO signals for such as GPIO buttons and/or 3.3V digital input/output
I2C Bus	I2C pin header for I2C capacitive screen and etc
Real Time Clock	Ultra-low-power RTC circuit (CR1220 battery) with timer and alarm functionalities
LED Indicator	Red LED indicator for standby and green LED indicator for running
Buttons	Recovery mode button and power switch button
DC Input	Supports 9~15V wide voltage DC power input
Ambient Requirement	Working temperature 0°~70°, working humidity 0%~95% (non-condensing)
Physical Size	LengthWidthHeigjht (135mm95mm9mm), PCB top side height 7mm
Android Version	Recommended Android 7.1，Android 8.1/9.0 and Linux Buildroot/Debian 9/Ubuntu-18.04 optional

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