STM32 MCUs Products

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Question about external RAM and SD

Posted on October 02, 2014 at 17:05Hello,I try to test my application with a new setup with external SRAM on the STM3240G kit, for heap and stack.I use FatFS on SDIO which needs DMA. When I read a file there is a problem.I know it is not possible to...

pcu by Associate II
  • 896 Views
  • 3 replies
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STM32L152 rtc battery

Posted on October 03, 2014 at 01:48The STM32L152 is working. Also the external 32KHz is driving the rtc. If I connect a battery to VBAT pin the oscillator stops working if main power go down. There is also no current from battery to VBAT. In running...

peterd by Associate II
  • 513 Views
  • 1 replies
  • 0 kudos

clock division

Posted on October 02, 2014 at 21:51Hello,       I am having hard time to figure this out. in the data sheet it is mentioned that the STM32F407 works at a maximum clock of 168 Mhz, but using any module timer, PWM or any other the clock is divided by ...

Generated CubeMX code with customer API

Posted on October 01, 2014 at 09:43Hi, I'm working on stm32f4 mcu and I'm using CubeMX to generate the code useful for my applications, so I'm wondering if it is possible to generate CubeMX code using my personal API; in other words, I'd like to lin...

DUrbano by Associate III
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  • 3 replies
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STM32F302: Unable to set Register CR: ADSTART

Posted on September 30, 2014 at 23:20 I am trying to get the ADC working on a STM32F302 processor and I am noticing while single stepping the code is when I call�? HAL_StatusTypeDef HAL_ADC_Start(ADC_HandleTypeDef* hadc)�? and exercise the code t...

ebommer by Associate II
  • 2346 Views
  • 10 replies
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Pinout Spreadsheet for the STM32F4-Discovery Available

Posted on January 05, 2012 at 18:47I have created an Excel spreadsheet to help in the Discovery-F4 pin assignment process, and as a useful reference for the pin functions.  The STM32-Discovery-F4 pinout spreadsheet lists the Discovery modules pin i...

kornak by Associate II
  • 1818 Views
  • 3 replies
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Single 0V GPIO Pulse Synched w/ Timer

Posted on October 01, 2014 at 20:31Using a STM32F427, I've got TIM5 generating an 8MHz PWM output. I've also got a GPIO output that is hooked to an active LOW enable on a device that needs to be turned on every once in awhile. What I'd like to do is...

jvavra by Associate III
  • 511 Views
  • 4 replies
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Stm32f103, hardfault problem

Posted on October 02, 2014 at 14:23Hello everyone,I've this hardfault problem for a quite long time now, I solved the issue by putting a software reset in the hardfault loop but now is not acceptable anymore.I suspect it has something to do with sen...

gnu by Associate II
  • 1540 Views
  • 2 replies
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STM32F429 discovery board USB application developpment

Posted on October 01, 2014 at 13:19Hello,I'm trying to develop a USB driver device using STM32F429 discovery board. I couldn't find any working examples that allow me to connect my board to a computer and to be detected. I would like to be detected ...

ignasi by Associate II
  • 719 Views
  • 5 replies
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