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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STM32F4 FPU square-root in C

Posted on February 24, 2012 at 19:22Does anybody know how to use the square-root instruction in the STM32F4 FPU, using C code? I'm running Atollic TrueStudio Lite 2.3.0, it's using the FPU for all other floating-point operations. For now, I'm using ...

jparker by Associate
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STM32 (STM3210E-EVAL ) uClinux debugging

Posted on February 18, 2012 at 12:44Hi all,I am considering running uCLinux OS on STM3210E-E evaluation board ( STM32F103ZET6 processor ) ,as described on AN3012.My question is : will I need additional hardware to debug my application ( such as ST-L...

STM32f10x - SPI not sending data

Posted on February 24, 2012 at 10:16 please correct my code. what is missing in that.....clarify... #include ''stm32f10x_lib.h'' void RCC_Configuration(void); void GPIO_Configuration(void); void SPI_Configuration(void); ErrorStatus...

mbabu527 by Associate II
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SPI unable to write in SPI_CR1 register

Posted on February 15, 2012 at 10:33Hi All, I try to configure SPI on a STM32 however something goes wrong in the SPI_Init() function.  I remarked that the instuction SPIx->CR1 = Tempreg don't write in the SPI register, the register value stay at 0....

SPI Full duplex application

Posted on February 25, 2012 at 15:16Hi good people, I use my MCU as an SPI slave module. application description: It is connected to an SPI generator which sends 8 different words(each word is 16 clks) repeatedly. (1Mhz) : 0x0001, 0x0002,..., 0x0008...

nekudata by Associate
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STM32F2 STM32F4 DMA Streams and Channels

Posted on February 14, 2012 at 18:10Hi Guys, I'm hoping someone can clarify the relationship and use of Streams and Channels on the STM32F2 DMA Controller. I'm unclear whether a Stream can concurrently handle multiple channels, or whether it hadles ...