Can the temperature of reflow soldering affect the programmed data on a device?

[DNisk.1]

The device in question is a STM32F030F4P6. I want to know if there is any risk of programming a device before sending it through a reflow oven (lead free soldering temperatures). We do this on other devices without issue, but I'm not certain if this is actually ok to do.

[Antoine Odonne]

Hello,

As long as your reflow follow the JEDEC standard, no issues to expect on your user Flash.

Some additional Flash area already store factory settings or code (bootloader/Calib values) and they aren't impacted by reflow.

Regards,

Antoine