Allwinner T527 digital signage and Smart Display board offers HDMI, eDP, MIPI DSI, and LVDS display interfaces

MYiR Tech’s MYD-LT527-SX is a board designed for digital signage and Smart Display applications based on the MYC-LT527 Allwinner T527 system-on-module from the company and offering a range of display interfaces namely HDMI, eDP, MIPI DSI and dual-channel LVDS.

The digital signage board builds upon MYiR Tech’s MYD-LT527 development board with a larger design featuring many of the same ports (dual GbE, USB 3.0, audio jack, HDMI output), and plenty of connectors for expansion including additional USB 2.0 interfaces, speaker and microphone, RS232, RS485, CAN Bus, and more.

Allwinner T527 digital signage board

MYiR Tech’s MYD-LT527-SX specifications:

  • SoM – MYC-LT527 system-on-module with
    • SoC – Allwinner T527
      • CPU
        • Octa-core Arm Cortex-A55 processor with four cores @ 1.80 GHz and four cores @ 1.42GHz
        • E906 RISC-V core up to 200 MHz
      • DSP – 600MHz HIFI4 Audio DSP
      • GPU – Arm Mali-G57 MC1 GPU
    • System Memory – 2GB LPDDR4
    • Storage – 16GB eMMC flash, 32Kbit EEPROM
    • 381-pad LGA package
  • Storage – MicroSD card slot
  • Display interfaces
    • HDMI port
    • Dual-channel LVDS interface
    • eDP interface
    • MIPI DSI interface
  • Video Input – 2x 4-lane MIPI CSI connectors compatible with MYIR’s MY-CAM003M camera module
  • Audio
    • 3.5mm headphone jack
    • Speaker connector
    • Microphone connector
  • Networking
    • 2x Gigabit Ethernet RJ45 jacks
    • WiFi 5 and Bluetooth 5.2 module with u.FL antenna connectors
    • Optional 4G LTE/5G cellular connectivity via mini PCIe socket (USB) and SIM card slot
  • USB
    • 1x USB 3.0 host Type-A port
    • 1x USB 2.0 host Type-A port
    • 4x USB 2.0 host interface via 4-pin connectors
  • Serial ports
    • RS485 header
    • 2x RS232 headers
    • 2x TTL headers
    • 2x CAN Bus connectors
  • Expansion – 2x 10-pin 2mm pitch GPIO connectors
  • Misc
    • Red (Power) and Green (User) LEDs
    • 2x buttons (Reset and User)
    • RTC battery
    • IR Rx jack
  • Power Supply – 12V/2A via DC power barrel jack
  • Dimensions – 140 x 100mm (6-layer design)
  • Temperature Range – -20 to +70°C

MYD-LT527-SX commercial display board

MIPI CSI and MIPI DSI connectors on digital signage board

Last time around, MYiR Tech said the Android 13 image was ready for the MYC-LT527 with a Yocto-based Linux 5.15 image with Qt planned for April 2024, and Ubuntu/Debian images expected by May 2024, but the company now only mentions the Android 13 operating system with Linux 5.15 for the MYD-LT527-SX board.

Besides digital signage and Smart Displays, the MYD-LT527-SX board might find its way into robots, energy and power systems, medical devices, various HMI applications, Edge AI gateways, and vehicle terminals.

MYD-LT527-SX block diagram
MYD-LT527-SX block diagram

While MYiR Tech never makes software resources and related documentation available publicly, the company always provides pricing information for their boards, and the MYD-LT527-SX is not different with the company asking for $95 for a sample of the board with a power plug and a Quick Start Guide. The optional MIPI Camera Module adds $25, and a 12V/2A power adapter costs $5. More details and purchase links can be found on the product page and in the press release.

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