ST STM32WL55JC

Analog-to-digital converter (ADC) RM0453
540/1454 RM0453 Rev 2
18.3.6 ADC connectivity
ADC inputs are connected to the external channels as well as internal sources as described
in Figure 63.
Figure 63. ADC connectivity
MSv61354V1
SAR
ADC
ADC
ADC_IN1
ADC_IN2
ADC_IN3
ADC_IN4
ADC_IN5
ADC_IN6
V
IN
[1]
V
IN
[2]
STM32WLxx
V
IN
[0]
V
IN
[3]
V
IN
[4]
V
IN
[5]
V
IN
[6]
V
IN
[8]
V
IN
[9]
V
IN
[7]
V
IN
[10]
V
IN
[11]
V
IN
[12]
V
IN
[13]
V
IN
[14]
V
REF+
ADC_IN7
ADC_IN8
ADC_IN9
V
IN
V
REF-
Channel selection
ADC_IN0
ADC_IN10
ADC_IN11
V
TS
V
REFINT
V
BAT
/3
V
IN
[17]
dac_out1
V
IN
[15]
V
IN
[16]
reserved
reserved