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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DCMI DR (data register) problem

Posted on July 08, 2013 at 07:49Good day,I have some problems with uint32_t DCMI_ReadData(void); function.I always have 0 data from that DCMI->DR register.I use STM32F4DISCOVERY board, (stm32f407vgt6 MCU).My interupt handler:void DCMI_IRQHandler(voi...

hitsumen by Associate II
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can i debug stm32 with stm-studio and MDK together?

Posted on July 04, 2013 at 15:04Can i debug stm32 with stm-studio and MDK together? I found that stm-studio and MDK can not debug stm32 at the same time. The reason is ST-LINK(v2) can not be connected by MDK and STMStudio at the same time.  #stm3...

STM32F103 I2C interrupt driven method 2

Posted on January 16, 2012 at 22:29I am having issues with interrupt driven I2C using method 2 from the reference manual. I am trying to read from the magnetometer on an lsm303dlh. The least significant bit of the most significant byte seems to be t...

eexlb2 by Associate
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STM32F103 HD - Initial Stack Pointer is Wrong

Posted on July 07, 2013 at 18:55I'm trying to set up a project (Eclipse, gcc, OpenOCD) for a hand made prototype board using an STM32F103RC chip (48K RAM).  It works, sort of.  My linker script specifies the initial stack pointer as _estack = 0x200...

STM32f2xx could not work with maximum frequency

Posted on July 03, 2013 at 13:27I'm using default configuration (according to UM1061, RCC section) to configure an SMT32F215RG to work with 120MHZ CPU clock. here is my configurations: /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N */ #define...

PWM Output

Posted on July 05, 2013 at 13:25The original post was too long to process during our migration. Please click on the attachment to read the original post.

andykim by Associate II
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Max232 level shifter

Posted on July 05, 2013 at 12:02hello i have usb <-> R232 converter and i want to make it receive correct characters from stm32f4 board , so which capacitors i have to use with max232 to realise this ? and thnx

LSE not starting when used for RTC

Posted on July 05, 2013 at 13:21 I am trying to use a 768kHz Xtal with 7pF load capacitors with an STM32F050C6. The problem I am having is that I cannot get the XTAL to reliably start up. I have seen it start a few times but most of the time it ...

ashley by Associate II
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