●Description

The Himax WE-I Plus EVB Endpoint AI Development Board is the perfect solution for just that; a computer/machine vision or AI endpoint.

In collaboration with Google TensorFlow Lite for Microcontrollers framework andSynopsys embARC MLI library, the Himax WE-I Plus EVB provides a completedevelopment environment to deploy all TensorFlow Lite for Microcontrollers examples;“Person detection”, “Micro speech”, and “Magic wand”, for “Vision”, “Voice” and“Vibration” applications.

The WE-I Plus EVB uses a built-in WE-I Plus ASIC (HX6537-A) with embedded Synopsys ARCEM9D DSP running at 400MHz and 2MB internal SRAM and 2MB Flash for largerNeuro Network model deployment. To support “Vision” applications, this boardfeatures a Himax HM0360 ultra-low-power VGA mono camera. The latency time for250KB TensorFlow Lite for Microcontrollers “Person detection” exampleis only 40ms. To support “Voice” applications, this board features two MEMSmicrophones. The latency time of the 20KB TensorFlow Lite forMicrocontrollers “Micro speech” example is only 6ms. To support “Vibration”applications, this board features a STM LSM9DS1 IMU for 3-axis accelerometerfunction. The WE-I Plus features an ASIC embedded EM9D DSP Floating-Point-Unit (FPU).

Finally, the WE-I Plus EVB has 2 LEDs to indicate classificationresult and a built-in FTDI USB to SPI/I2C/UART bridge for Flash programming andmetadata or message output. It also provides an expansion header with I2C and GPIOsinterface to add external sensors or devices.

●Features

• WE-I Plus ASIC (HX6537-A)
  • ARC 32-bit EM9D DSP with FPU
  • 400MHz clock frequency
  • 2MB SRAM
  • 2MB Flash
• Himax HM0360 AoS TM ultra-low power VGA CCM
  • 1/6" CMOS Sensor
  • 640 x 480 Pixel
  • 60 FPS
• FTDI USB to SPI/I2C/UART bridge
• LDO power supply (3.3/2.8/1.8/1.2V)
• 3-axis accelerometer (STM LSM9DS1)
• 1x reset button
• 2x microphones (L/R)
• 2x user LEDs
• MicroUSB connector
• Expansion header
  • 1x I2C port
  • 3x GPIOs
  • Power/Ground