Difference between revisions of "DFU Bootloader"
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== Overall Architecture == | == Overall Architecture == | ||
| + | |||
| + | All [[STM32]] [[MCU]]s (indeed all [[ARM]] processors) follows the [https://en.wikipedia.org/wiki/Von_Neumann_architecture Von Neumann] architecture. | ||
{| class=wikitable | {| class=wikitable | ||
Revision as of 04:26, 31 May 2021
All STM32 MCUs have a built-in bootloader which will allow reflashing. The Boot0 pin is used to toggle between "normal" boot and this bootloader. Unfortunately this process can not be controlled without manipulating the Boot0 pin, so if we want to control this from our application, we will have to implement our own bootloader.
Overall Architecture
All STM32 MCUs (indeed all ARM processors) follows the Von Neumann architecture.
| Start Addr | End Addr | Size (hex) | Size (kb) | ||
|---|---|---|---|---|---|
| End | --> | 0x8078000 | 0x8080000 | 0x8000 | 32kB |
| 0x8070000 | 0x8078000 | 0x8000 | 32kB | ||
| 0x8068000 | 0x8070000 | 0x8000 | 32kB | ||
| 0x8060000 | 0x8068000 | 0x8000 | 32kB | ||
| 0x8058000 | 0x8060000 | 0x8000 | 32kB | ||
| 0x8050000 | 0x8058000 | 0x8000 | 32kB | ||
| 0x8048000 | 0x8050000 | 0x8000 | 32kB | ||
| 0x8040000 | 0x8048000 | 0x8000 | 32kB | ||
| 0x8038000 | 0x8040000 | 0x8000 | 32kB | ||
| 0x8030000 | 0x8038000 | 0x8000 | 32kB | ||
| 0x8028000 | 0x8030000 | 0x8000 | 32kB | ||
| 0x8020000 | 0x8028000 | 0x8000 | 32kB | ||
| 0x8018000 | 0x8020000 | 0x8000 | 32kB | ||
| 0x8010000 | 0x8018000 | 0x8000 | 32kB | ||
| 0x8008000 | 0x8010000 | 0x8000 | 32kB | ||
| Begin | --> | 0x8000000 | 0x8008000 | 0x8000 | 32kB |