Yesterday I wanted to see, how much power my EFM8LB1 uses, when it has just this firmware with bootloader disabled:
.org 0 ljmp 1$ 1$: orl (REG01CN), #8 orl (PCON0), #2
Today I found, that I cannot access it via C2 anymore. I tried keeping it in reset when powering on and then sending C2 commands... without success...
How can I fix it without dumping the MCU and soldering a new one?
How does that EFM8LB1 decide if the reset means "now we do C2" or "now you run the