Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on July 31, 2017 at 16:09 I'm using the PWM function of TIM4, on an STM32F429, to control an RC servo. This requires a pulse between 0.6 and 2.4 msec, at a rate of about 50Hz. Everything works fine, if I don't need to change the pulse durat...
Posted on July 31, 2017 at 13:56I made a mistake when designing a PCB for an STM32L152RE (the 64 pin variant) - I had thought the VDDA pin was the voltage reference for the ADC, so I wired this to an accurate 3V reference supply. My main supply is 3...
Posted on July 28, 2017 at 14:40It appears from the (rather lacking) documentation that the DMA Double Buffer Mode is only a Peripheral to Memory transaction. Is this correct? Or can I use double buffering from memory to peripheral?
Posted on July 31, 2017 at 04:42Hello,I currently designing a board using STM32F469BETx and two SDRAM ICs. I would like to know if ST provides any guidelines or application notes for FMC wiring and connections to the memories?Thank you.#fmc #stm32f4...
Posted on July 28, 2017 at 10:03Hello, I have a working program running on STM32F072R8 CPU that works with external device and gets data via external interrupt (EXTI4_15_IRQHandler function). The collected data is forwarded later via USB port to com...
Posted on July 28, 2017 at 14:50I am trying to use STemWin 532 on a STM32f467 board. I created a framewin with 4 buttons using GuiBuilder and ran the application, but the display is scrambled. This is how a framewin with 4 buttons looks like on my d...
Posted on April 27, 2016 at 15:43Hi all,I'm just starting to embark on the problem of accessing external registers (implemented in a FPGA), via the FSMC on the STM32F4 core. What I'm interested in doing is accessing these registers as SRAM (memory ...
Posted on July 30, 2017 at 15:59Playing around with timer/counters, trying to learn things. When I use HAL_TIM_OC_Start_IT, the callback HAL_TIM_OC_DelayElapsedCallback gets called at the appropriate time. The counter continues on happily about its ...
Posted on July 19, 2017 at 14:17Looking to measure duty cycle of a pin where I'm looking for a pulse anywhere between 200miliseconds and 800 miliseconds on a 1Hz period. I think I used the terminology correctly, sorry if I didn't. Much of the time, ...
Posted on July 26, 2017 at 09:50Hi,I'm using STM32F427ZI with FreeRTOS.I am configuring both ADC1 and ADC3 to run using DMA, but I'm getting different behavior between them. This is the configuration for ADC3, ADC1 is configuration the same:ADC1 is ...
