Saturday, May 21, 2022

Corel Dev Board Micro Paired NXP i.MX RT1176 MCU in Pi Zero Form Factor with Edge TPU – CNX Software

Corel Dev Board Micro NXP i.MX RT1176 is the latest iteration of Google’s Edge AI DevKit with Cortex-M7/M4 crossover processor/microcontroller coupled with the company’s 4 TOPS Edge TPU, a camera and a microphone in one board , which is about the size of the Raspberry Pi Zero SBC.

The new board follows the original NXP i.MX 8M-based Corel Dev Board introduced in 2019 and the Corel Dev Board Mini based on the MediaTek MT8167S processor launched in 2020, and aims to provide a more compact solution with a lower-end keeps up with the trend. Host processor for Edge AI.

Corel Dev Board Micro Specifications:

  • MCU – NXP i.MX RT1176 processor with Arm Cortex-M7 cores @ up to 1 GHz, Cortex-M4 cores up to 400, 2MB internal SRAM, 2D graphics accelerator;
  • System Memory – 512 Mbit (64 MB) RAM
  • Storage – 1 Gbit (128 MB) Flash Memory
  • ML Accelerator – Corel Edge TPU coprocessor delivering up to 4 TOPS (int8), 2 TOPS per Watt
  • Camera – Built-in camera with 324 x 324 resolution
  • Audio – PDM Mono Microphone
  • USB – 1x USB 2.0 Type-C port
  • Scope
    • 2x 12-Pin GPIO Headers
    • 2x 100-pin board-to-board connectors
  • Misc – 4x LEDs, 2x Switch Buttons
  • Power supply – 5V via USB-C port
  • Dimensions – 65 x 30 mm
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WiFi and Bluetooth or Ethernet and PoE can be added to the board via the Corel Expansion Board. There is no specific documentation for the micro board yet, but eventually, all resources should be made available on the Coral.ai website, and I hope to use Tensorflow Lite for microcontrollers in this case. It is also not clear whether the board will run the Linux-based Mendel OS or the real-time operating system. Both are possible depending on the specifications.

The Corel Dev Board Micro recently appeared on the Corel website and is currently shown as “coming soon” without pricing information, but it should be cheaper than the $100 Corel Dev Board Mini. Further details should eventually appear on the product page.

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thanks for doing will wang for the tip.

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