Allwinner A527 Board Android 13.0 System For Digital Signage And Self Service Terminals

1.1 Scope of application

AI-830 is a commercial display intelligent motherboard, generally applicable to: digital signage, self-service terminals.

1.2 Product Overview

AI - 830 uses Allwinner A527 (Cortex-A55x8) octa -core 64-bit processor , integrating octa-core Cortex-A55 CPU, RISC-V CPU and G57 MCO1 GPU, equipped with Android1 3.0 system ( kernel is Linux 5.15 ) , main frequency up to 2.0 GHz, outstanding performance, high cost performance , GPU uses G57 MC01 , supports 1080P video decoding. Supports multi-channel video output and input, rich interfaces, supports a variety of peripheral expansion, comes with WIFI 6 -2.4G/5G module, BT-5.2, wired network; the board comes with hardware watchdog, it is your best choice in the digital signage and self -service terminal industry.

1.3 Features

• High definition. Support HDMI / dual LVDS / EDP / dual MIPI screen / Vbyone ( optional ) output.
• Multiple upgrade methods such as remote, U disk, TF card, USB cable connected to computer, etc.
• U disk, TF card configuration screen parameters, plug and play, perfect support for all sizes, all resolution displays.
• Support Android system customization, provide API interface code, and support customer upper-level APP development
• 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 5 USB ports, 7 serial ports, 4 IO ports, WIFI/RJ45/4G and other networking options.
• Built-in PCI-E 4G module socket, supports various PCI-E 4G modules such as Yuge and Quectel to access the Internet.

​1.4 Appearance diagram and interface description

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  The corresponding interfaces of the numbers in the picture are:

  serial number	Pin Definition
  1	u Boot upgrade button
  2	PHONE earphone holder ( with MIC )
  3	HDMI output interface (multiplexed with Vbyone interface)
  4	RJ45 network port
  5	TF card slot
  6	USB 0 _OTG ( USB 2.0 )
  7	USB 1 _HOST ( USB 3.0 )
  8	DC- 12V power input
  9	DEBUG ( debug serial port 0 )
  10	FAN (Fan interface)
  11	LED+IR
  12	GPIO
  13	USB 2 _HOST ( USB 2.0 )
  14	USB 3 _HOST ( USB 2.0 )
  15	USB 4 _HOST ( USB 2.0 )
  16	UART 5 (RS 485 by default , TTL optional)
  17	UART 3 (RS232 by default, TTL optional)
  18	UART 4 (RS232 by default, TTL optional)
  19	UART 7 (TTL by default, RS232 optional)
  20	UART 6 (TTL by default, RS232 optional)
  21	Secondary screen backlight interface
  22	Main screen backlight interface
  23	4G module slot
  24	CTP ( Touch Screen Interface )
  25	MIC 2
  26	MIC 1
  27	UART 2 (TTL)
  28	WIFI antenna socket
  29	Speaker interface
  30	RTC battery holder
  31	Dual channel LVDS 1 interface
  32	LVDS 1 -VDD
  33	MIPI-Camera (MIPI camera interface)
  34	e DP screen interface
  35	LVDS 0 -VDD
  36	Dual channel LVDS 0 interface
  37	MIPI0 interface
  38	Vbyone interface (optional, multiplexed with HDMI output interface)
  39	Nano-SIM (SIM card interface)
  40	MIPI1 interface
  41	HDMI IN

1.5 Basic function list