RM0453 Rev 1 589/1461
RM0453 Analog-to-digital converter (ADC)
592
18.12.15 ADC Calibration factor (ADC_CALFACT)
Address offset: 0xB4
Reset value: 0x0000 0000
18.12.16 ADC common configuration register (ADC_CCR)
Address offset: 0x308
Reset value: 0x0000 0000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
Res. Res. Res. Res. Res. Res. Res. Res. Res. CALFACT[6:0]
rw rw rw rw rw rw rw
Bits 31:7 Reserved, must be kept at reset value.
Bits 6:0 CALFACT[6:0]: Calibration factor
These bits are written by hardware or by software.
– Once a calibration is complete, they are updated by hardware with the calibration factors.
– Software can write these bits with a new calibration factor. If the new calibration factor is different
from the current one stored into the analog ADC, it is then applied once a new calibration is
launched.
– Just after a calibration is complete, DATA[6:0] contains the calibration factor.
Note: Software can write these bits only when ADEN=1 (ADC is enabled and no calibration is ongoing
and no conversion is ongoing). Refer to SQ8[3:0] for a definition of channel selection.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res.
VBAT
EN
TSEN
VREF
EN
PRESC[3:0] Res. Res.
rw rw rw rw rw rw rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
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