STM32F429IGT6 FLASH size is 1M, why can read and write 0x08120000 address data?

[Rsu.1]

STM32F429IGT6 FLASH size is 1M, why can read and write 0x08120000 address data?0x08120,000 is over 1M

[Peter BENSCH]

Your 1M version still has the same die as the 2M version. However, only what is specified in the data sheet is checked and guaranteed under the given conditions.

So if you have to guarantee the functionality of your system to someone, you should definitely leave the second 1M block unused.

When your question is answered, please close this topic by choosing Select as Best.

/Peter

[Rsu.1]

OK thanks