STM32 MCUs Products

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How create master/slave timer ?

Hello all,I work with the board stm32F746G discoI try to create a master/slave timer. I use the timer3 to master and timer2 in slave.I would like count every second with timer3 and for each trigger on timer3 i would like launch timer2 for a delay of ...

lidiriel by Associate II
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  • 6 replies
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Resolved! STM32L4 registers not being read during debugging

Hello,I am using an STM32L4R5VIT6 board in which I am programming it with Atollic TrueSTUDIO using the debugger and Jlink connectiong. When I am running the debugger, it suddenly stopped working for me and the console reads:Connecting to J-Link...  J...

BRoge by Associate II
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  • 1 replies
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STM32 DAC with DMA constant value

Posted on April 12, 2018 at 20:07Hi to all,I am encountering a problem, concerning the DAC of the stm32L476. I only want to use the DAC with a constant value but with DMA, so that I can use the CPU during that operation. Without DMA the DAC works as...

Bench by Associate III
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  • 9 replies
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STM32H743XI HDMI connections

I am planning to implement STM32H743XI on my new design. And I am using the help of schematic provided for the eval board for the connection. I want to implement HDMI on my design too but the neither the schematic or the datasheet has the informatio...

BBV by Associate II
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  • 4 replies
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STM32L0x1. RAM in low-power sleep mode.

STM32L0x1 reference manual says "the memory interface clock is stopped and the RAM is in power-down when in Low-power sleep mode" (DocID025942 Rev 8 p 145). Several pages below it says "In Low-power sleep mode, the Flash memory can be switched off an...

STM32H7 ADC QUEUE OF CONTEXT.

Hi,someone know a practical application of Injected queue of context for the STM32 ADC? I think that it would be more useful if the two JSQR values in the queue stay forever in the queue like a ring buffer.Asantos.

Asantos by Senior
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SPI shift registers

Hello, In STM32F446RE mcu the block diagram shows 2 shift registers , but in STM32F407x spi block diagram it shows only shift diagram . which one is correct ? are these SPI IPs are different on these devices ? please clarify . i have attached the ima...

0690X000006DMsqQAG.png
n.serina by Associate III
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  • 4 replies
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Hardware connection for uSD 4 Wire Bus

Hello,There is any schematic example for the connection between uSD and the STM32H7?I'm currently using a OLIMEX E407 with a STM32H7 instead of a STM32F4. It seems that I have problems with the signals integrity. I can read and write with a 1MHz cloc...

STM32H750 KEIL

I USED KEIL WITH STM32F750VB AFTER COMPILE AND RUN I UNDRESTAND NO HAVE ANY SPACE ADD FOR STACK FIRST VARIABLE ADDRESS IS FIRST MEMORY ADDRESS IF USED PUSH OR PUP CHANGE SOME FIRST VARIABE IN MEMORY HOW CAN RESOLVED THIS PROBLEM