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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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How can I write every second with USB MSC STM32f105

Posted on December 13, 2015 at 18:14Hi everyone,I wanna write my variable to USB every second but I can't.I think it can be in while loop f_mount(0, &fatfs);        if(f_open(&file, ''0:OLCUM.CSV'',FA_CREATE_ALWAYS | FA_WRITE) == FR_OK)    {        ...

Non-std character in CMSIS source code

Posted on December 28, 2015 at 19:05 The boiler-plate header section of the .h files in the STM32 section of CMSIS have a stray non-standard ISO character the messes up standard unix / linux system tools, eg. grep , sed , etc. This seems...

estie by Associate II
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USB issue

Posted on December 29, 2014 at 14:28hiI have a strange problem when I try to send packets bigger than 1 byte to the MCU:I get the first packet just fine, but after I stop receiving any packets.If I use 1 byte packets I have no problem (I receive eve...

yarona by Associate II
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Cube improvement suggestion with board selector

Posted on December 29, 2015 at 11:27Hi ST, With the cube, I select new board for example STM32F7-Discovery to start the design. A lot of pins are locked but there is no peripheral activated. I'm novice to this board but have detailed knowledge with ...

Osto by Senior
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Can I leave some VDD / VSS pins unconnected?

Posted on December 28, 2015 at 07:15First, I'm aware from the http://electronics.stackexchange.com/questions/22662/if-a-pic-mcu-provides-multiple-vdd-vss-should-you-provide-power-to-them-all that connecting all power supply pins is required for all ...

RTC not responding

Posted on December 28, 2015 at 11:06Hi there,I'm writing a driver for m41t83 RTC IC. I'm trying to start communication with it over I2C (fast mode) and I have no response from the RTC (always get NACK).I don't know what might cause the problem I sen...

STM32CUBE : lwip problem

Posted on December 22, 2015 at 16:19Hello I try to use STM32 cube and LWIP as it comes with .... Unfortunately I'm a little wary I enabled TCP_LISTEN_BACKLOG to limit the number of connection but the variable in charge of the current login count acc...

STM32F4 TIM8 complementary

Posted on December 26, 2014 at 12:29 Hello, I can't figure out why my code doesn't work! I've worked with TIM1 and everything works fine but when I change to TIM8, PC6 and PC7 are always on and the complementaries always off. Please help me out ...

zarkscon by Associate II
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