Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on August 14, 2017 at 23:13I need help setting up and enabling (and disabling) the Spread Spectrum Clock on STM32F405.AN4850 is not enough, as it has no code example; says nothing about what to do with MODPER and INCSTEP once calculated.I se...
Posted on August 16, 2017 at 13:53Hi,I'm not able to activate the led (green, LD2, PA5) in stepping mode. But the corrosponding register shows that it is activated.&sharpinclude 'stm32f4xx_rcc.h'&sharpinclude 'stm32f4xx_gpio.h'int main(){ RCC->AH...
Posted on August 15, 2017 at 12:15I want to build my own hardware with a stm32f769 (with 512 kBytes internal RAM)I want to use the STemWin. The example 'STemWin_HelloWorld' supplied with the STM32F769I_EVAL Kit uses the external SDRAM.Due to cost sa...
Posted on August 15, 2017 at 11:06Hello. I work with stm32f767ZI nucleo-144, and try use QUAD SPI bank1 to access W25Q128BV. All OK when i use 1 wire or 2 wire(dual mode), but when i use quad mode(4-wire), something went wrong. SPI Pins: ...
Posted on August 16, 2017 at 11:40how to configure ADC using just LL library please ?
Posted on August 16, 2017 at 12:31 Hello. I'm developing an application based on Discovery board with stm32f429I. And now I have quite a weird issue:a high signal level is shown on unconnected input pins. Here is a code: //Configure PC4 ...
Posted on August 14, 2017 at 17:23Hey there!I'm working on stm32f051 MCU for a little project and a I have to receive and process data from its USART port 1.My issu is that I don't have any interuption from the DMA, and if I check directly on the b...
Posted on August 15, 2017 at 18:00According to AN3154 Datasheet I must write sector code in data field.But I dont know what is sector code and How can i find it for stm32f4 discovery?Just I want to erase sector by sector what I must do?(I know I mus...
Posted on August 15, 2017 at 22:04Where can I get the input impedance of the GPIO pins of the , The manual /Data sheet only provides the input impedance for the ADC.
Posted on August 16, 2017 at 01:53I'm not understanding proper use of TIMx_CCMR1->IC1F. Is it only for frequency? I'm looking for a way to filter pulses out whose width is too short of duration.
