STM32 MCUs Products

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STM32F103XB: TIM2 CH1 on PA15 conflicts with SPI1 NSS

Posted on January 09, 2018 at 18:32Hi,Using CubeMX, I configured SPI1 on a STM32F103T8Ux as full-duplex master mapped on PB3..PB5, with hardware NSS (on PA15) disabled (set to SPI_NSS_SOFT in spi.c).So, PA15 should be available for TIM2 CH1 PWM outp...

Problems: STM32H743ZI two SPIs to receive data with DMA

Hello,I use STM32H743ZI two SPIs with DMA to collect data. The data are OK when only one SPI with DMA is activated. However, when I use two SPIs with DMA to collect data simultaneously, the data collected are not correct. The DMA setup:Codes to colle...

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MSun.5 by Associate II
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STM32F746G-DISCO - demo displays :scrambled'' pictures

Posted on September 04, 2017 at 21:53Hi,I had a few STM32F746-DISCO boards. This time I bought second hand board and uploaded demo app.All pictures are 'scrambled'. I cannot figure out what is going on. Seems like a hardware defect.Please share your...

Non linearity in ADC Measurement using STM32F051R4T6TR IC

Hai,i have been into designing a solar inverter using STMF051R4 series IC for past few years. Presently we are working on ADC Measurement with DC voltage.The problem we are facing now is we not able to get a linearity in measurement of the dc voltage...

Amal Babu by Associate III
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  • 28 replies
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PWM TIM1 frequency differs from calculation

Hello,i have a simple task which turned to be more tricky than i expected.The system uses a 8mhz HSE.My clocks are :HCLK/SYSCLK is 100MHZPCLK1 is 25MHZPCLK2 is 50 MHZ ( 100MHZ for TIM1)I need to generate a 50% duty 100khz PWM signal via PE9 pin ( cha...

Bogdan by Senior
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  • 1 replies
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