Dac Channel Enable; Table 112. Dac Input/Output Pins; Table 113. Dac Internal Input/Output Signals; Table 114. Dac Interconnection - ST STM32WL5 Series Reference Manual

Digital-to-analog converter (DAC)
Pin name
VREF+
VDD
VSS
DACx_OUT1 Analog output signal
Internal signal name
dac_ch1_dma
dac_ch1_trgx (x = 1 to 15)
dac_unr_it
dac_pclk
dac_hold_ck
dac_out1
19.4.3

DAC channel enable

The DAC channel can be powered on by setting its corresponding EN1 bit in the DAC_CR
register. The DAC channel is then enabled after a t
Note: The EN1 bit enables the analog DAC channel1 only. The DAC channel1 digital interface is
enabled even if the EN1 bit is reset.
596/1461

Table 112. DAC input/output pins

Signal type
Input, analog reference
positive
Input, analog supply
Input, analog supply ground

Table 113. DAC internal input/output signals

Signal type
Bidirectional DAC channel1 DMA request/acknowledge
Inputs
Output
Input
Input
Analog
output

Table 114. DAC interconnection

Signal name
dac_hold_ck
dac_ch1_trg1
dac_ch1_trg2
dac_ch1_trg11
dac_ch1_trg12
dac_ch1_trg13
dac_ch1_trg14
The higher/positive reference voltage for the DAC,
V ≤ V
REF+ DDAmax
Analog power supply
Ground for analog power supply
DACx channel1 analog output
DAC channel1 trigger inputs/acknowledge
DAC underrun interrupt
DAC peripheral clock
DAC low-power clock used in Sample and hold mode
DAC channel1 output for on-chip peripherals
Source
ck_lsi
tim1_trgo
tim2_trgo
lptim1_out
lptim2_out
lptim3_out
exti9
WAKEUP
RM0453 Rev 1
Remarks
(refer to datasheet)
Description
Source type
LSI clock selected in the RCC
Internal signal from on-chip
timers TIM1_TGO_CKTIM
Internal signal from on-chip
timers TIM2_TGO_CKTIM
Internal signal from on-chip
timers LPTIM1_OUT
Internal signal from on-chip
timers LPTIM2_OUT
Internal signal from on-chip
timers LPTIM3_OUT
External pin EXTI[9]
startup time.
RM0453