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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Timer GPIO problem

Posted on October 25, 2014 at 15:36Hello everyone.I use STM32F4 Discovery. When I config timer (Time base) GPIO peripherals does not work. Timer is work, and GPIO is work (widthout timer configuration).Where is a problem?Best regards.

STM32F103 + SPI EEPROM without CS?

Posted on October 25, 2014 at 09:56Hello is possigle and problem free use serial SPI http://www.st.com/web/en/resource/technical/document/datasheet/CD00001441.pdfwith signal CS direcet on GND? Of course EEPROM is alone on this SPI bus.

victor23 by Associate
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ARM 32F4 Block Diagram

Posted on October 25, 2014 at 12:08 Dear all, The attached picture shows the ARM32F4 block diagram I mentioned three circles which i need more about them 1.CCM data RAM 64 KB 2.SRAM 112 KB 3.SRAM 16 KB What are the advantage to u...

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STM32F407 ADC-DMA weird behaviour

Posted on October 24, 2014 at 21:58 I am using T2 to trigger ADC1,ADC2 and ADC3, all the ADCs are working in indepent mode. each ADC EOC will trigger a DMA2 in a dedicate channel. T2->ADC1->DMA2_Stream0.Channel_0 T2->ADC2->DMA2_Stream2.C...

gavinli by Associate II
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STM32F4 running from sd card

Posted on October 24, 2014 at 20:07Hello, I wanted to know if it is possible to run a code on the stm32f4 board from an external flash like an sd card. Do I have to program a bootloader?Thanks

STM32F103R4 CAN PA11 PA12

Posted on October 24, 2014 at 17:45Hello,I had tried to set the ''CAN BUS'' in MCU STM32F103R4 in PA11 and PA12 with STM libraries, but when i try to transmit any message, the MCU don´t transmit, Someone could help me with the module configuration? ...

STEVAL-IDB002V1 USART Problem

Posted on October 24, 2014 at 14:23 Hey, I am new to the ARM development coming from a background of 8051, PIC and some AVR. With my first new test I managed to make input and output work, also I have manage to direct EXTI on input pins. ...

hisham by Associate II
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Button problem with custom card (STemWin)

Posted on October 19, 2014 at 19:05Hello ,I have a problem with button function on my card. I can use emWin library to display text, but I cannot display button. In place of button, there is a black block. As shown in the picture. Code:             ...

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yuan by Associate II
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