About jtozz.1

jtozz.1 · 2022-10-31

It seems so easy, but I get no signal to the pin PA4. I use STM32f103VCT, any Idea ?int main(void){ /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configuration--------------------------------------------------------*/ /* Reset of all periphera...

jtozz.1 · 2022-11-20

Thx Piranha, I missundertsood the Vref connection. Vref+/Vref- are not connected to VDDA and VSSA on my package. I added solder to make the connection and it works fine.Thank you very much.

jtozz.1 · 2022-11-15

MX_DAC_Init(); does HAL_DAC_Init and HAL_DAC_ConfigChannel, I shift HAL_DAC_SetValue and HAL_DAC_Start to have the same order as you wrote. But the same result, 0V to the pin.I tried to toggle the GPIO register on debugging, It works, as output I ha...

jtozz.1 · 2022-11-01

Thx for your answers, The output buffer is enable and the load connected to the pin is 10K. The VDDA pin is to 3.3V. You can see that 3000 ==> 0xbb8 is in the dac register. But 0V on pin pa4. Why ???

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No DAC output

Re: No DAC output

Re: No DAC output

Re: No DAC output