STM32 MCUs Products

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SWD layout

Posted on June 12, 2014 at 00:53Does ST have any layout recommendations for using their Serial Wire Debug capability?  We are planning on using the Cortex M ETM debugging functionality.  This includes using the TRC CLK, TRC DATA[0], TRC DATA[1], TRC...

stm32f4 encoder interface mode

Posted on August 09, 2014 at 06:51Hi there! I'm using my stm32f4 timer 5 in encoder interface mode. In reference manual it is written for CCxNP/CCxP pins that they should not written 11 (i.e. polarity of trigger on both edges) in encoder interface m...

DDS DAC

Posted on August 08, 2014 at 07:49Hello,        I am generating a sine wave by DDS method, but I dont know why the signal is flattering at the bottom.       Does anyone have any idea why is this happening. Thanks #stm32 #dac

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ADC Resolution

Posted on August 08, 2014 at 17:29ADC resolution 12 bits(with 16 bit buffer) works but 8 bit(with 8bit buffer) results in the code going into an infinite loop in the DMA ISR. __IO uint8_t buffer[1000];/* ADC Config*/  ADC_StructInit(&ADC_InitStructu...

s7v7n92 by Associate II
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SDADC Limitations Explained

Posted on August 08, 2014 at 15:07After reading through the promotional material, datasheet and reference manual for the STM32F3's SDADC and spending a few days trying to obtain a 16KHz sampling rate, I believe some clarification of the limitations ...

kevin2399 by Associate III
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large SDRAM access causing hardfault in stm32f429

Posted on August 06, 2014 at 11:49Hello there!I've interfaced 128 MB(16 bit data bus) sdram through fmc interface in my stm32f429 device. Initialization and everything seems ok. Reading/writing to sdram is ok for small chunks. But writing 12 MB or l...

Non volatile memory on 32F429I discovery board

Posted on August 05, 2014 at 15:54I have a 32F429I discovery board and I have some parameters, e.g. touch screen calibration information, that I would like to store in a non volatile memory. As far as I understand it I have the options of:1 - storin...

mats23 by Associate II
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stm32f0 spi

Posted on August 07, 2014 at 12:50 hello, I want to send some data using spi but I see anything on my scope when I use this code. does anyone know where is the problem? Thanks #include < stddef.h > #include ''stm32f0xx_rcc.h'' #incl...

LED Microphone Noise Interference

Posted on August 09, 2013 at 23:41Hi,I am working on a simple custom HW design based on the STM32L SoC.The STM32L is connected to several LEDs as well as a microphone along with other external devices like batteries, switches etc .. The firmware is ...

raminee by Associate
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TIMER STM32F429-DISCO

Posted on July 01, 2014 at 09:10Hi,i use the timer 10 to toggle a GPIO with a board STM32F429-DISCO.int init_timer  ( void ){TIM_TimeBaseInitTypeDef     TIM_TimeBaseStructure;NVIC_InitTypeDef            NVIC_InitStructure;RCC_APB2PeriphClockCmd (RCC...

gerson74 by Associate II
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