STM32F4DISCOVERY
================

This folder provides support for [STM32F4DISCOVERY](https://www.st.com/en/evaluation-tools/stm32f4discovery.html) board,
also known as *STM32F407G-DISC1*. This board features a *STM32F407VG* chip in *LQFP100* package:
- *ARM Cortex-M4* (*ARMv7-M*) core;
- single precision FPU;
- 1 MB of flash;
- 128 kB of RAM;
- 4 kB of BKPSRAM;
- 64 kB of CCM;
- 168 MHz max clock;

Buttons
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This board has following buttons:
- *B1* at *PA0*;

LEDs
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This board has following LEDs:
- *LD3* (orange) at *PD13*;
- *LD4* (green) at *PD12*;
- *LD5* (red) at *PD14*;
- *LD6* (blue) at *PD15*;
