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Resolved! How to use DMA on complementary timer channels in TIM1

I have been trying to start PWM on TIM1 with complementary channels and use DMA to start the PWM. The problem that I have is that only one of the channels will start when I run the program. DMA channel 2 is being used by TIM1_CH1 and I can't find any...

Mhass.12 by Associate II
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  • 4 replies
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HAL_Delay stuck when sdram use as data memory

Hi:I have a custom STM32F746NG board with SDRAM IS42S328200D(Address 11 bits 2^11(Row Address)*2^8(Column Address)*32(bit)*4(bank)). My goal is to use sdram as data memory, I followed example in STM32Cube_FW_F7_V1.16.1\Projects\STM32746G-Discovery\Ex...

PWM Timer Slave not getting triggered by Master

Hello, I am trying to set timer 3 as a master to timer 1 without success. Timer3 is outputting the PWM correctly, but timer1 is not getting triggered by Timer3's PWM Signal. What else am I missing?My board is STM32F429 discovery Here are my settings ...

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Xxoyo.1 by Associate III
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  • 3 replies
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Resolved! GPIO pin current info

When a GPIO pin is connected to power an external device via Magnetic switch, from the STM32 point of view how does it know if the Magnetic switch is ON/OFF? ON -> Device is powered ON similarly OFF.Can STM32 detects change in current on GPIO pins?A...

SKund.1 by Associate II
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  • 2 replies
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STM32L4R7 low-power, power cycling, and the backup domain

Hello,I have some questions relating to STM32L4R7ZIT and the different ways to enter/exit low-power modes or to power cycle, in both cases without losing RTC and backup registers.VBAT is always powered. There is an LSE.I need to understand which boot...

NArnd by Associate III
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  • 2 replies
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Resolved! How stm32f469 QSPI Memory-mapped mode used Set?

Stm32f469 is currently developing the product using TouchGFX. The problem is that when the screen changes, the picture sometimes disappears. I thought there might be a problem with QSPI communication.QSPI believes that there is a memory-mapped mode t...

PKunK.1 by Associate III
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  • 1 replies
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STM32L4 Does not wake up from STOP Mode with the RTC alarm

Hi all,I am using STM32L431 and the device is not waking up from STOP mode with an RTC alarm interrupt. Can somebody pinpoint where my issues are?My configurations in the code configurator:I am enabling the crystal oscillator, enabling the calendar, ...

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KKili.1 by Associate II
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  • 9 replies
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