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What is I2C SMBAI?

I'm laying out a board using a STM32F103CB and I'm connecting to an I2C peripheral, and I noticed that on the STM32 there's a third I2C pin, labelled SMBAI - what is this pin, I'm unfamiliar. Is this an address pin for the STM32 for slave option? I c...

AScar.1 by Associate
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How can I extend much more RAM on STM32?

Hello!I have just currently developed a matrix library for embedded systems. It works for all systems. The problem is that using matrices, takes lot of both ram memory and flash memory. So i need a better controller, but the largest RAM from STM32 i ...

DMårt by Lead
  • 7454 Views
  • 17 replies
  • 2 kudos

Discovery STM32L152C Touch Sensing

Posted on July 20, 2014 at 15:58Hi all,Where can I find more documentation on the STMTouch library? I have read UM1606 but don't get how it works.The manual says to start with one of the included example files but I cannot get them to work on the Di...

adam2 by Associate
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Any ideas why I get those 0 - 65500 values from adc ?

I have uint16_t array[2000];HAL_ADC_Start_DMA(&hadc1, (uint32_t*)array, 2000);I get values from 0 up to 65535but when I declareuint8_t array[2000];I get values 0-255I shouldn't be bigger than 4095 since it is 12 bit resolution for ADCI have STM32L416...

MNapi by Senior III
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  • 6 replies
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F7 SDRAM CubeMX setup no DMA tab

The SDRAM HAL module has DMA functions but there is no tab in CubeMX to set up a mem2mem DMA channel. This is with CubemX 4.27.0. Is the DMA a pre-requisite for LTDC operation or does it use it's own internal memory access.

Temperature compensation on ADC?

Posted on August 11, 2017 at 05:02Hello, I am using an Olimex-E407 board to measure some signals (AC signals). After some reading on ADCs I learned that there are a few error that have to be taken into consideration when doing measurements and some ...

App fails when source is changed in a trivial way.

Hi,I've been playing around and refactoring a small test app for the STM32F769 DISCO board. The app runs fine and I retest after even the smallest code tweak.What I'm seeing is that physical position of the function SysTick_Handler within the source ...

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