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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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stm32l151 RTC+HSE source problem

Posted on May 18, 2012 at 11:30 I am using in my STM32L151CB project internal RTC timer. The RTC clock source is selected HCE clock divided into 16 (RCC_RTCCLKSource_HSE_Div16). I using quarz crystal 9830400Hz - ABM2 I load in to...

alfred2 by Associate
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Using cortex-m4 FPU with gcc toolchain

Posted on May 16, 2012 at 06:43Dear all, I'm using `Keil uVision` with gcc toolchain (Sourcery Codebench lite for ARM EABI) to program the `STM32F4 cortex M4` chip. The compiler control strings I have set are:     -march=armv7e-m -mfpu=fpv4-sp-d16  ...

ID Unique device ID register (96 bits) “,

Posted on May 16, 2012 at 15:12Hello,  The Cortex M3 have the �ID Unique device ID register (96 bits) �, this number give to the user application technical information about the Cortex M3 mounted in the PCB ?. Extract from the datasheet RM008 revisi...

xgarcia by Associate
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library, taking into account the chip bugs?

Posted on May 13, 2012 at 07:30Recently found a problem when test the F4 USB: I use the F4 Discovery chip version of 'A', the manual says this version , there are some bugs in USB.  the Lib 2.1.0 ST OTG consider these bugs?

seawwh2 by Associate II
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Difficuly of implementing nand driver on STM32F205ZG

Posted on May 15, 2012 at 08:47Hi all, Now, I'm trying to implement nand driver of  SAMSUNG K9K8G08U0D (SLC, 1GBYTE) on STM32F205ZG cpu. However, it not easy to do it. First, reading device ID is OK. Second, block erase function is also OK. But,...

kpkang by Associate
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Need for Backup registers > 4KBytes

Posted on May 15, 2012 at 19:31I wonder if someone could help me. I need to save, to retain ''some'' variables of my applications, but the 4Kbytes from the Backup registers is too few for what I need. So I would like to ask if there is another way t...

tecnico23 by Associate II
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Slope of internal temperature sensor

Posted on April 10, 2012 at 11:25Hello, we are using the microcontroller STM32F100C6T7 in our design. While trying to do something with the internal temperature sensor we noticed that the slope we measured doesn't correspond with the specified slope...

kbroger by Associate
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STM32 with I2C CPAL Library

Posted on May 16, 2012 at 11:14I use theSTM32withtheI2C-CPALLibary. When I use theSTM32pursuingas a slavereceiverin the interruptmode, I getafter receiving the firstdata bytenointerrupt (RXNE). Only afterthe seconddata byte, an interrupt(RXNE)is g...