STM32 MCUs Products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32F103Z Timer Problem

Posted on November 18, 2013 at 17:43I have a Timer Problem . I want that my timer every 1ms makes an interrupt . I testes it here if (TIM2_Tick >= 1000) but my LED was alway on then I tryied if (TIM2_Tick >= 1000000) and it was about 1 sec (30 bli...

samed by Associate II
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STM32F4 DCMI no line interrupt

Posted on November 07, 2013 at 21:06 Hi I've some problems with the dcmi interface from my stm32f4 I've initialized the module for line and frame interrupts, but in debug I see only the frame complete interrupt, and a line count variable...

pa by Associate II
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ADC

Posted on November 19, 2013 at 06:06Hello ,         I am working on application in which battery voltage need to be read at regular interval say 1 ms .I am newbie to this.(1) Which one is more preferred here ADC with DMA or ADC w\o DMA ?(2) How many...

STM32F0x I2C problem

Posted on October 31, 2013 at 09:04Hi, I am trying to communicate with MCP4725(12bit DAC) via I2C using STM32F030C8T6. The program gets stuck at one of the status checking part. Can somebody look at my code and see what the problem is? //Code to Ini...

Calculation of ADC sampling rate

Posted on November 19, 2013 at 09:11Hello,♯ I am working with STM32F4 Discovery  and summon arm tool chain.I am sending ADC  data over       serial Port using USB serial communication.♯ I have write code to get ADC value in continuous conversion mod...

Mapping System clock on GPIO

Posted on November 15, 2013 at 14:06Hi all,I'm working with STM32F3DISCOVERY.I'm trying to map the system clk on a GPIO to view it with an oscilloscope.In the following datasheet http://www.st.com/st-web-ui/static/active/en/resource/technical/docume...

DMA & I2S & Full Duplex

Posted on August 13, 2013 at 02:40 Has anyone gotten I2S in full duplex mode on the STM32F405 working?? I just can't seem to get the RX DMA to work. After initializing with the below code the TX DMA IRQs fire and that part works fine but I never...

andprice by Associate II
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flash readback protection

Posted on November 12, 2013 at 17:36 Hi Forum, I need to implement is flash readback protection. I have a couple of questions.... 1...Can I enable this on the STM32f051in software or does it have to be set in the programming tools? I'm using Keil uV...

stenasc by Senior
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