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Analog-to-digital converter (ADC)
18.12.15 ADC calibration factor (ADC_CALFACT)
Address offset: 0xB4
Reset value: 0x0000 0000
31
30
29
Res.
Res.
Res.
Res.
15
14
13
Res.
Res.
Res.
Res.
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 conversion 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).
18.12.16 ADC common configuration register (ADC_CCR)
Address offset: 0x308
Reset value: 0x0000 0000
31
30
29
Res.
Res.
Res.
Res.
15
14
13
Res.
Res.
Res.
Res.
588/1450
28
27
26
25
Res.
Res.
Res.
12
11
10
9
Res.
Res.
Res.
28
27
26
25
Res.
Res.
Res.
12
11
10
9
Res.
Res.
Res.
24
23
22
Res.
Res.
Res.
8
7
6
Res.
Res.
rw
24
23
22
21
VBAT
VREF
TSEN
EN
EN
rw
rw
rw
rw
8
7
6
5
Res.
Res.
Res.
Res.
RM0453 Rev 5
21
20
19
18
Res.
Res.
Res.
Res.
5
4
3
2
CALFACT[6:0]
rw
rw
rw
rw
20
19
18
PRESC[3:0]
rw
rw
rw
4
3
2
Res.
Res.
Res.
RM0453
17
16
Res.
Res.
1
0
rw
rw
17
16
Res.
Res.
1
0
Res.
Res.
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