Hi Tiny,
I tried but the drift is about 400 khz in 5 minutes, from 32.4 Mhz to 32.0 Mhz, with or without dfll no difference. On some board I have 33.4 Mhz at the start. a little to much for 115200 Uart speed.
Do you have some better accuaracy value measured?
Regards
Davide
↧