ST STM32L4+ Series Reference Manual page 619

RM0432
21.4.4 ADC1/2 connectivity
ADC1 and ADC2 are tightly coupled and share some external channels as described in the
below figures.
ADC12_INP1
ADC12_INN1
ADC12_INP2
ADC12_INN2
ADC12_INP3
ADC12_INN3
ADC12_INP4
ADC12_INN4
ADC12_INP5
ADC12_INN5
ADC12_INP6
ADC12_INN6
ADC12_INP7
ADC12_INN7
ADC12_INP8
ADC12_INN8
ADC12_INP9
ADC12_INN9
ADC12_INP10
ADC12_INN10
ADC12_INP11
ADC12_INN11
ADC12_INP12
ADC12_INN12
ADC12_INP13
ADC12_INN13
ADC12_INP14
ADC12_INN14
ADC12_INP15
ADC12_INN15
ADC12_INP16
Figure 90. ADC1 connectivity
ADC1
V
V
REFINT
V
V
REF−
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
REF−
V
V
TS
V
V
REF−
V
V /3
BAT
V
V
REF−
RM0432 Rev 6
Analog-to-digital converters (ADC)
Channel selection
[0]
INP
[0] Fast channel
INN
[1]
INP
[1] Fast channel
INN
[2]
INP
[2] Fast channel
INN
[3]
INP
[3] Fast channel
INN
[4]
INP
[4] Fast channel
INN
[5]
INP
[5] Fast channel
INN
[6]
INP
[6] Slow channel
INN
[7]
INP
[7] Slow channel
INN
[8]
INP
[8] Slow channel
INN
[9]
INP
[9] Slow channel
INN
[10]
INP
[10] Slow channel
INN
[11]
INP
[11] Slow channel
INN
[12]
INP
[12] Slow channel
INN
[13]
INP
[13] Slow channel
INN
[14]
INP
[14]
Slow channel
INN
[15]
INP
[15] Slow channel
INN
[16]
INP
[16] Slow channel
INN
[17]
INP
[17] Slow channel
INN
[18]
INP
[18] Slow channel
INN
V
REF+
V
INP
SAR
ADC1
V
INN
V
REF−
MSv41967V5
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