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README.md

STM32H750XB Hello World Program

Board

Fire H750XB board

Build System

Build Status

CMake v3.10+

Build Instructions

mkdir build && cd build
cmake -DCMAKE_TOOLCHAIN_FILE=arm-none-eabi.cmake # Or you can implement yours
make -j${nproc}

Peripherals Utilized

  • FMC
  • USART0
  • TIM2
  • TIM3
  • TIM7

USART0

  • PA9/PA10
  • 921600/8N1

TIM2/3

  • PWM output on CH3/CH4
  • 1kHz base frequency

TIM7

  • Tick source

FMC

FMC clock: 133MHz(Maximum frequency under VOS 3 settings)

SDRAM clock: 66.5MHz(FMC clock divided by 2)

Memory component: Winbond W9825G6KH-6(133MHz/CL2)

Memory parameters:

  • CL = 2 cycles
  • tMRD = 2 cycles
  • tXSR = 72ns (~5 cycles)