STM32F303 + ice5 Development Board

Eric Brombaugh designed this board which pairs ARM Cortex M4 processor with a Lattice FPGA:

STM32F303 + ice5 Development Board

USB, Micro SD, PMOD and GPIO interfaces allow development of complex projects in control and signal processing.

Schematic Diagram

STM32F303CCT6 microcontroller:

  • 32-bit ARM Cortex-M4F CPU rated for 72MHz clock
  • 48kB SRAM, 256kB Flash
  • 10 Timers
  • 3x SPI, 2x I2S, 2x I2C, 3x USART
  • 1x CAN, 1x USB Device
  • 37 GPIO pins (20 5V tolerant)
  • 4x 12-bit SAR ADC, 2x 12-bit DACs
  • 7 Analog Comparators, 4 Op-Amps

Lattice iCE5LP4K-SG48 FPGA:

  • 3520 LUTs
  • 4 Multiplier/Accumulate blocks
  • 20x 4kb RAMs
  • OTP Non-volatile configuration memory
  • 1 PLL, 2x I2C cores, 2x SPI cores

The microcontroller firmware and FPGA hardware source is hosted on GitHub:

emeb/f303_ice5


emeb has shared the board on OSH Park:

f303_ice5

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