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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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Receive text file from HyperTerminal via UART

Posted on March 03, 2015 at 10:18Hello everybody, I have to send a file from the computer (so from HyperTerminal) to the STM3240G eval via USART3 (or any UART). I wrote a program to receive one data from USART (getchar() ) and it works fine but I do...

I2C2 configuration

Posted on March 03, 2015 at 09:12 Hi I'm working on STM32F401, I'm trying to configure I2C2 port as an I2C Master, when i Generate START condition i don't get an interrupt. What I'm doing wrong?   //Configure PB10 I2C2 Master, SCL pin PB3 I2C2 ...

gil23 by Associate III
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Current consumption behaves like saw-tooth

Posted on February 24, 2015 at 15:13I measured the current consumption of STM32F3 discovery board from its Idd pin and I always see the current consumption decreasing with time over a period of 50-60 seconds and then shoots up to the initial value. ...

rizwin by Associate II
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STM32F4 NAND Flash

Posted on March 02, 2015 at 22:00I am looking to use the FMSC on the STM32F4 series to store data on a NAND chip. How do I go about doing this? Are there any examples out there of this? Is a driver or special libraries required? #stm32f4 #externa...

STM32F4xx USB Timeout

Posted on March 03, 2015 at 03:50I got a STM32F4xx discovery kit, and I try to implement the USB CDC device example from the sample project provided.I have a problem when I try to use USB FS to send and write.I am sending 25 bytes of data every 10ms...

None-interruptable functions

Posted on March 03, 2015 at 01:06Hello This might be a silly  ''everybody knows that''-question (except me) but are there any atributes/methodes that will prevent a function from beeing interrupted by interrupts while running? I have a set of functi...

Zainka by Associate III
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TIM2_TChx -> DMA_Channelx -> GPIOx_BSSR

Posted on March 02, 2015 at 23:17Hi,I'm developing project on STM32L053.I have 3 requirements regarding HW configuration and I'm not able to figure out one of them. I would like to ask here loudly whether this requirement is possible to fulfill on t...

sakowski by Associate
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I2C Configuration on STM32F2xx

Posted on June 01, 2011 at 22:00I am using a STM32F217 based board with the CrossStudio tool chain.  I am having problems configuring the I2C bus correctly.  No matter what I do I cannot measure any signals on the data or clock lines.  My configurat...

STM3240G-EVAL / STM32F407 / CAN2 Issue

Posted on February 26, 2015 at 17:09Hello everybody,I am working with a STM3240G-EVAL card (STM32F407) and I have CAN2 issue, especially the with the reception part. I need help.I already tested the CAN1 channel and it worked really fine. Then I cha...

l239955 by Associate II
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