RK3568 Processor POS Motherboard Android 11.0 / Ubuntu 20.04 / Debian 11.0 System
Chapter 1 Product Overview
1.1 Scope of application
YNH-518 is a smart POS motherboard, suitable for: POS machines, AI scales and other equipment .
1.2 Product Overview
YNH-518 uses Rockchip RK3568 quad-core processor, the chip comes with 1.0 T computing power NPU , equipped with Android11.0 /Ubuntu20.04/Debian11.0 system ( kernel is Linux 4.19 ) , main frequency up to 2.0GHz, outstanding performance, high cost performance. GPU uses Mali-G52, supports 4K 60fps H.265/H.264/VP9 video decoding, supports 1080P 100fps H.265/H.264 video encoding. Supports multi-channel video output and input, rich interfaces, and supports a variety of peripheral expansions. It is your best choice in POS machines, AI scales and other industries.
1.3 Features
- High definition. Supports up to 4K decoding and various LVDS screens, M IPI screens, and EDP screens.
- Supports multiple upgrade methods such as remote, U disk, USB cable connected to computer, etc.
- U disk configuration screen parameters, plug and play, perfect support for all sizes and resolutions of display screens
- Perfectly supports mainstream industry release software and industry application software, ready to use
- Perfectly supports a variety of mainstream touch screens such as infrared, optical, capacitive, resistive, etc., supports HID configuration of driver-free touch screens, and no debugging is required.
- Perfectly supports the industry's mainstream USB/serial port devices, printers, card readers, password keyboards, fingerprint readers, cameras, ID card recognition, QR code scanners, etc., and provides demo test programs.
- Highly integrated. With 10 USB ports, 7 serial ports, 3 IO ports, WIFI/RJ45/4G and other networking options.
- built-in USB interface can support various 4G modules such as Yuge and Quectel to access the Internet.
1.4 Appearance diagram and interface description
The corresponding interfaces of the numbers in the picture are:
| serial number | Pin Definition |
| 1 | uBoot upgrade button |
| 2 | Upper: USB2.0_HOST/Lower: USB3.0_OTG |
| 3 | Upper: USB2.0_HOST/Lower: USB2.0_HOST |
| 4 | Serial port 3 (RS232 , or com3 at position 28 ) |
| 5 | PHONE Headphone Stand |
| 6 | RJ45 network port (100M Ethernet ) |
| 7 | DC-IN ( default 12V power supply, optional 24V power supply ) |
| 8 | 12V power input interface |
| 9 | POE network port (reserved) |
| 10 | Cash drawer interface |
| 11 | CTP touch screen interface |
| 12 | SPK speaker interface |
| 13 | Secondary screen backlight interface |
| 14 | Main screen backlight interface |
| 15 | eDP screen interface |
| 16 | Single channel LVDS 0-LCD interface |
| 17 | MIPI 0-LCD interface |
| 18 | WiFi antenna socket |
| 19 | MIPI 1-LCD interface |
| 20 | Single channel LVDS 1-LCD interface |
| 21 | UART5 ( TTL serial port ) |
| 22 | BAT-RTC battery interface |
| 23 | MIC interface |
| 24 | Power switch + LED indicator |
| 25 | GPIO+uBoot |
| 26 | COM 9 (RS232) |
| 27 | COM 7 (RS232) |
| 28 | COM 3 (RS232 , or serial port 3 at position 4 ) |
| 29 | COM4 (RS232) |
| 30 | USB 2.0 _HOST |
| 31 | USB 2.0 _HOST |
| 32 | USB 2.0 _HOST |
| 33 | USB 2.0 _HOST |
| 34 | USB 2.0 _HOST |
| 35 | USB 2.0 _HOST |
| 36 | Power on and the system pops up |
| 37 | DEBUG serial port 2 |
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