Table 84. Adc Internal Signals; Table 85. Adc Pins; Pins And Internal Signals - ST STM32L4x6 Reference Manual

Analog-to-digital converters (ADC)
16.3.2

Pins and internal signals

Internal signal name
EXT[15:0]
JEXT[15:0]
ADC1_AWDx_OUT
ADC2_AWDx_OUT
ADC3_AWDx_OUT
V
TS
V
REFINT
V
BAT
Name
V
REF+
V
DDA
V
REF-
V
SSA
V [18:0]
INP
V [18:0]
INN
ADCx_IN16:1 External analog input signals
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Table 84. ADC internal signals

Signal
type
Up to 16 external trigger inputs for the regular conversions (can
be connected to on-chip timers).
Inputs
These inputs are shared between the ADC master and the ADC
slave.
Up to 16 external trigger inputs for the injected conversions (can
be connected to on-chip timers).
Inputs
These inputs are shared between the ADC master and the ADC
slave.
Internal analog watchdog output signal connected to on-chip
Output
timers. (x = Analog watchdog number 1,2,3)
Input Output voltage from internal temperature sensor
Input Output voltage from internal reference voltage
Input
External battery voltage supply
supply

Table 85. ADC pins

Signal type
Input, analog reference
positive
Input, analog supply
Input, analog reference
negative
Input, analog supply ground
Positive input analog
channels for each ADC
Negative input analog
channels for each ADC
DocID024597 Rev 3
Description
Comments
The higher/positive reference voltage for the ADC,
1.62 V ≤ V ≤ V
REF+ DDA
Analog power supply equal V
1.62 V ≤ V ≤ 3.6 V
DDA
The lower/negative reference voltage for the ADC,
V = V
REF- SSA
Ground for analog power supply equal to V
Connected either to external channels: ADC_INi or
internal channels.
Connected to V or external channels: ADC_INi-1
REF-
Up to 16 analog input channels (x = ADC number =
1,2 or 3):
– 5 fast channels
– 11 slow channels
RM0351
:
DDA
SS