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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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Switch to Lower Clock Speed - How To Do This?

Posted on May 08, 2015 at 07:07Hi, The STM32F4 on my application uses an 8MHz crystal, and synthesized to run at a bus speed of 168MHz. I'm doing some signal processing that really only requires a speed of 168MHz after a signal is detected. The dete...

Migration from CPAL to STM32Cube

Posted on May 08, 2015 at 20:41Hi,We have some legacy code that sets up the I2C with a CPAL option of  CPAL_OPT_NO_MEM_ADDR or CPAL_OPT_16BIT_REG.  We are migrating to the Cube and there are no apparent equivalent options.  Can anyone tell me if the...

STM32F103ZET6 CAN Bus is not working

Posted on May 06, 2015 at 14:52Dear I am trying to run the CAN bus of STM2F103ZET6. If I am not wrong it is on PB11 and PB12 pins. My code is as in attached file. I run code and check the waveform on logic analyzer and CRO both but nothing is happe...

what time can i buy stm32L476xx

Posted on May 08, 2015 at 03:07hello,i need same  stm32L476xx  sample  for test in product develop,buy why i can't apply for sample in www.st.com?and what time can i get stm32L476xx? what time it is on the China market? how much for 1ku?thanks! #...

[SOLVED] ADC problems - STM32F407 discovery

Posted on May 07, 2015 at 19:19 I am using 2 ADCs with DMA in simultaneous mode and sending data over usb. Here is the code: #include ''main.h'' const uint16_t BUFFER_SIZE = 400; volatile uint16_t ADCConvertedValues [BUFFER_SIZE]; volatil...

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Write ISR in uCOSII

Posted on May 07, 2015 at 22:01HII am Using stm32f40x and one of the UcosII from Micrium site.I have a problem to enable interrupts in uCOS. I use the BSPxx Functions to set vector and enable interrupts but it did not worked well.I would be very tha...

SDIO + DMA on stm32f103

Posted on May 07, 2015 at 15:56Hi everyone,I am using SDIO interface to write to SD card without using DMA. I am writing about 300 bytes of data at 50Hz. The problem is that with current implementation it slows down the code.Thats why I am thinking ...

STM32F103 TIM2 configuration

Posted on May 06, 2015 at 19:21 Hi there..! sorry if my question seems duplicate but I dont know what's wrong, I want to set TIM2 interrupt to 1 ms without success. this is my clock configuration #define __RCC_CR_VAL 0x010...

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