Calculating peripheral register addresses     In the previous post, I explained how to enable the peripheral clock of the GPIOD peripheral. We do that by using the RCC…

  Enabling peripheral clock       In the previous post, I explained the procedure to turn on the LED.  You have to enable the peripheral clock before configuring the…

  Procedure to turn ON the LED     In this article onwards let's understand the procedure to turn on the LED. To write a code to turn on the…

  Memory mapped peripheral registers  and IO access     This article delves into the concept of peripheral registers and how they are used in STM32 microcontrollers.   About peripheral…

  STM32 memory map       Memory map of STM32 Microcontroller In this case, I'm considering the  STM32F407 microcontroller , which is on my discovery board, and the memory…

  Processor addressable memory regions         What are processor addressable memory locations? Consider Figure 1. Here, there is a system bus(AHB) that connects the processor with the…