STM32 MCUs Products

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Forum Posts

baudrate generation on stm32f4

Posted on October 07, 2014 at 13:37Hi list, page 932 of the reference manual gives a formula to calculate USARTDIV. But if I check the first entry in table 133 I get completely different values. With Pclk=8MHz I get 8.10^6/(16*1200)=14.7, while the ...

Sietse by Associate III
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  • 2 replies
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STM32L053R8 Reset identification register can't be cleared

Posted on September 25, 2014 at 22:36Hi all, After reading the RCC_CSR register to determine the reset source, I want to clear the register so as to be able to resolve future non-por resets.  When I follow the instructions in the datasheet, the bits...

danq by Associate II
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  • 8 replies
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ADC Port Issues

Posted on March 30, 2013 at 23:59So I am having an interesting issue with configuring the ADC to work with anything but PortA.  I can hook it to any pin on port A, change the ADC channel, and it will work.  However, I have tried doing the same on Po...

cozzensbp by Associate II
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  • 10 replies
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SPI receive slave mode speed

Posted on October 01, 2014 at 19:53 Hello, I am trying to use an STM32f4 discovery board to receive data in slave mode over SPI. I am using HAL drivers generated from STMCube and using interrupts to receive the data. I can read all the d...

Combining Input Capture, One-Pulse Mode, and Reset Mode

Posted on October 07, 2014 at 16:28I am using an STM32F407xx.My setup is that I have TIMa triggering TIMb. Here is a description of the behavior that I want:TIMa:Don't care. This part looks to be working in my application.TIMb: When we get a Trig:...

dibs by Associate II
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Bug in stm32f4xx_hal_nor.c

Posted on October 03, 2014 at 20:20In  HAL_NOR_GetStatus(..) timeout is not working due to an error:-----------------while(status != NOR_SUCCESS)  {    /* Get tick */    tickstart = HAL_GetTick(); // this should be before the while !!!    /* Check f...

Johanan1 by Associate II
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STM32 TRST

Posted on October 07, 2014 at 02:36I would like to use the Cortex M debug connector to debug and program an STM32F205.  The 10-pin connector does not have a JTAG TRST pin.  Will it still work with the STM32F205?  I plan to use an OCD debugger if tha...