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STM32F446 MCO2 from I2SPLL

Posted on September 13, 2017 at 12:38There's no source of PLLI2S signal mentioned anywhere else on the schematics, nor elsewhere in RM0360 (although the string occurs quite often as it's the name of the PLLI2S sub-module).My personal guess is, that ...

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2 Timers use with stm32F746BG

Posted on September 05, 2017 at 04:58Hello, I use MDK-Lite 5.23 uVision / stm32F746BG. I work with two timer interrupts at the same moment: TIM1_UP_TIM10_IRQHandler(void) + TIM2_IRQHandler(void) + program code at the main() function  void TIM1_UP_TI...

IR diode connection

Posted on September 13, 2017 at 11:35The following circuit was pointed out on a local electronics forum:I mean, it *may* work, under certain circumstances... nonsense nevertheless.One of the comments was, that it nicely complements Cube... ;)JW

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STM32L496 USART1 RX crash @ 1.8V IO

Posted on September 12, 2017 at 10:50Dear community.I have a very interesting issue - I am working on STM32L496 Nucleo board and working with USART1.  Everything works fine there with USART1 receive/transmitting in INT mode.  (Nucleo runs 3.3v with ...

john chen by Associate II
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SDIO (SDMMC) and FatFS with CubeMX

Posted on May 12, 2016 at 13:55Hello! I try to use the SDMMC1 interface together with FatFS. Initialization is created with CubeMX. My init is something like this: ... MX_LTDC_Init(); MX_SDMMC1_SD_Init(); MX_FATFS_Init(); ... Then I try to use the S...

dennis23 by Associate II
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DMA delay caused by Interrupts?

Posted on September 04, 2017 at 12:33 On my STM32F411RE I send data to my SPI2 peripheral port using DMA and it works fine, but the moment I enable any kind of interrupts for the NVIC it completely scrambles up my stream of DMA data on my SPI2 -...

Resolved! Should USARTx->BRR have to re-calculate ?

Posted on September 11, 2017 at 16:33 Hi, Now I'm trying to implement UART function as the below, But the problem is keep showing in RS232 Tool. I'm just referring fully reference posting such as https://community.st.com/thread/19577?comment...

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