This file gives an overview of the flash layout used by the nRF52833 on the micro:bit v2, and was written at tag v0.2.24.

Note: there is also a BLE Service named MemoryMapService, which is used to communicate the application's structure over BLE and not the layout of the entire flash storage.

Memory layout

Address	Description
7F000	bootloader_settings_page settings page
7E000	mbr_params_page / bootloader settings backup settings page
77000	Bootloader. Our current bootloader requires 24.3 KB.
75000	Flash Data Storage. A Nordic SDK component, with a minimum size of 2 pages, that stores the bond data. Currently CODAL doesn't store anything else here. View more in Nordic SDK
74000	MicroBitStorage (is where MicroBitStorage puts the things it stores)
73000	CODAL scratch page (is used as temporary scratch by MicroBitFlash, MicroBitFileSystem and MicroBitStorage)
1C000	Application
01000	SoftDevice (S113)
00000	Master Boot Record