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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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Corrupt varible within an Interrupt on STM32F103ZET6

Posted on June 06, 2011 at 08:02I have a variable that is not appears to not being retrieved consistantly from within an interrupt.  I have the following code for the Timer3, which is configure to interrupt on a count down timer. unsigned int errorC...

chrisr by Associate
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USB OTG HOST PA9 PIN

Posted on June 04, 2011 at 20:37Hi:I am trying to use USB OTG as a host. I have to enable PA9 pin which is the VBUS. I tried everything but could not get 5V only 3.3V. What I am missing?Code: GPIO_InitStructure.GPIO_Pin = HOST_POWERSW_VBUS;  GPIO_In...

iozho by Associate II
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AN3102 and implementation on Raisonance Dev Board

Posted on June 06, 2011 at 14:17Hi all! I wish to adapt the project on LwIP TCP/IP stack (AN3102) for Ride7 and STM32_EVAL for the RevA board from raisonance. In fact, Raisonance haven't any examples. So I need to obtain some clues or help from ST t...

Wich tool chain do you recommend?

Posted on June 04, 2011 at 17:35Hi, I am a bit confused about wich of the three toolchain choose, between the advised by ST. I have some experience in C, debugging embedded applications and toolchain but not used one in the last 5 years. I would ma...

Serious I²C problems

Posted on June 02, 2011 at 03:12 Hello guys. I have - as the title suggests - a problem with the I²C bus. I'm eagerly trying to get it working, but fail everytime. This is the code I'm using to initialize the I²C interface: _______ ...

stm32f10x_stdperiph_lib_um.chm

Posted on June 03, 2011 at 19:48I found this file with the STM32F10x_StdPeriph_Lib_V3.5.0 download.  The table of contents of this Help file look very useful, but there are no content files with it.  Everything I click on says ''Navigation to the We...

mschwab by Associate II
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tim2 interrupt

Posted on June 02, 2011 at 12:23Hello, i try get interrupt from timer 2 in compare mode. I want up count mode and generate interrupt in case match compare_register and counter and in case overflow counter. I'm using TrueStudio. Here is my code: void...

novotny by Associate
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  • 2 replies
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