when i try to write the NVM sector3 alone it works but when i try to write to sector3 and sector4 data was copied to the address to 0x53 properly but when i read the data from sector4 i am getting some other values for the PD2 and PD3 voltage settingsit

[venkateshakj]

i am using stm32f103cb controller

[awende]

Can you post the code that you're using that's causing the error, along with the version of the library that you're using?

I tried replicating the problem with a stm32f405, but everything is working fine so far with my testing.