2025-11-12 6:45 AM
In the RM0456 at 33.4.31 Oversampler it say:
The division coefficient M consists of a right bit shift up to 10 bits, and is defined using the OVSS[3:0] bits in the ADC_CFGR2 register.
But at 33.6.5 ADC configuration register 2 (ADC_CFGR2), it allow up to 11 bits:
Bits 8:5 OVSS[3:0]: Oversampling right shift
1011: 11-bit right shift
Solved! Go to Solution.
2025-11-20 2:52 AM - edited 2025-11-20 7:57 AM
Hello @nicolas ,
OVSS[3:0] supports up to 15 bit. Therefore, limit to 10 bit and reserved values in bitfield description will be removed. in RM0456.
2025-11-12 7:02 AM - edited 2025-11-21 5:00 AM
Hello @nicolas,
I will ask internally what's the correct the oversampling right shift available and fix the document accordingly.
Thank you for your contribution. Internal ticket 221624.
2025-11-18 2:02 AM
Sorry I need to unmark the solution until an answer is provided :)
2025-11-20 2:52 AM - edited 2025-11-20 7:57 AM
Hello @nicolas ,
OVSS[3:0] supports up to 15 bit. Therefore, limit to 10 bit and reserved values in bitfield description will be removed. in RM0456.