selected data does not fit into selected flash sectors

A good example of source code that can do this on the STM32 can be found here. Let’s briefly examine each of these options.įirst, developers can write application code to program the option bytes. There are several different methods that developers can use to modify the option bytes on the STM32. If the byte pairs don’t contain a compliment, then an error will be thrown. So if I have settings for RDP of 0xFF, then nRDP has to be set to 0x00. It’s worth noting that each option byte has a complement byte associated with it. The STM32F0 has 16 option bytes that are mapped to flash memory at 0x1FFFF800.Īn example from the STM32F091xxxRefManual Section 4 can be seen below:Īs can be seen above, these option bytes control write protection, boot, reset, user, and data options. For our purposes, we will look at the STM32F0 as an example. For example, the option bytes for the STM32F4 are not in the same memory location as the option bytes for the STM32F0. The STM32 option bytes often vary in capabilities and memory location depending on the exact microcontroller family used. An Introduction to the STM32 Option Bytes In this post, we will explore how to program the STM32 option bytes. These settings often control features such as whether debugging is enabled or disabled, flash can be written or read, and even how the processor will boot. Nearly every microcontroller contains option bytes, fuses, or some method to control general settings on the processor. Jacob Beningo on Firmware Error Handling using Do while Loops.Akito on Firmware Error Handling using Do while Loops.Pieter Kruger on 4 Tactics to Unit Test RTOS Tasks.Bogdan Baudis on Are Multiple Languages Needed for Embedded Systems?.Jacob Beningo on 4 Tactics to Unit Test RTOS Tasks.

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Selected data does not fit into selected flash sectors