There are a lot of things to influence the current consumption of an STM32. Unfortunately you didn't mention, which of the more than 1000 derivatives you are working with. But it looks like a STM32L0/STM32L1, because these are the only families providing native EEPROM.
Did you already read the application notes like AN4445 (for STM32L0), AN3193 (for STM32L15x) or AN4621 (for STM32L4)?
Some more hints:
- disable the clock of all peripherals not being in use
- use external crystal, as internal RC oscillators are drawing higher currents
- always optimize code for speed
- always use 32bit variables, even maybe only 8bit are used - it requires less statements to execute (=current)
Good luck!
/Peter
In order to give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.
