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Forum Posts

DMA events from TIM1 - One Stream with 3 channels?

I've been reading the STM32F427 and I can't confirm my understanding - so I'd like to ask.I have data that I must push out a GPIO faster then should be serviced by an interrupt.My intent is to use TIM1 - set a period - then set 3 output compares havi...

Joe.H by Senior
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  • 4 replies
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Does a bare STM32 ARM Microcontroller come with a bootloader?

Hi guys, I am planning to buy a bare STM32 ARM Microcontroller and wanted to know wether it comes with a boot loader so that I can directly upload code using Keil u vision, STM32 Cube MX and a ST link V2. If there is no boot loader shipped with the u...

Sashvat by Associate II
  • 1639 Views
  • 3 replies
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How to organize the SPI transmit buffer?

Dear experts, can you please give a suggestion about how to proceed with the following problem?I am trying to display the information on the PCD8544-driven LCD (aka Nokia 5110) about the incoming UART messages.I am using STM32CubeMX to configure the ...

EOvch by Associate
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Resolved! SPI RX buffer shifted

Posted on February 23, 2018 at 18:10Dear All,I use SPI as a master with 2 lines full duplex with DMA on STM32F303RE with 8-bit data size.Frames are made of variable number of Bytes. Normally SPI clocks out 3 Bytes of command on MOSI line + 4 Bytes o...

sirpak by Associate II
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  • 11 replies
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ADCs in Dual (Multi) Mode in F446

Hello AllI have configured ADC1 and ADC2, each with CONT=1 and L = 0, to convert two respective analog inputs on a software start, and the scheme works fine. However, when in the CCR I set the MULTI bits to 0b00110 (or to anything else for that matte...

Amir1 by Associate II
  • 425 Views
  • 0 replies
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STM32L100 RTC

Hello!In my design, I want to use the STM32L100 series microcontroller. How can I get a clock frequency RTC of 1 Hz if I use a highly stable external oscillator with a frequency of 30 MHz to clock the microcontroller.PREDIV_A can be 1,2,3, ..., or 12...

EChum by Associate
  • 613 Views
  • 2 replies
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Dead time insertion

Hello,In my application I need insert dead time only for upper transistor in bridge. Does anybody know how to insert dead time without using CubeMX because?Can you provide me an example of code and literature?Thanks a lot,

DBake.18 by Associate II
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