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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 not passing EV6 on I2C

Posted on September 06, 2012 at 07:13I'm having some difficulty communicating with a TI INA219 using an STM32F407VE and I2C1 on PB7 and PB8. Sending data seems to work just fine, but receiving it does not. Namely, my EV6 (I2C_EVENT_MASTER_RECEIVER_M...

Help interpreting USB OTG docs for stm32f1xx

Posted on September 05, 2012 at 16:30Hi all! The software design process we use requires that every piece of code is heavily tagged with references to the original programming manuals. Sometimes these tags are added during code reviews, etc. The que...

STM32F0 - USART1 external clock?

Posted on September 05, 2012 at 03:07Hi!Is there a way to clock (only) USART1 using a (variable) external clock of 1 to 12 Mhz?Also, is there a way to clock USART2 using another clock source than system?Thank you!

Debug without SWD/JTAG

Posted on September 03, 2012 at 09:05Hello everyone,For a project, we try to debug STM32C-Eval board without SWD/JTAG standart board. We have an *.out file and we want to download this file. We want to implement a C/C++ program instead of SWD/JTAG. ...

Getting less data than expected

Posted on September 05, 2012 at 02:24Hello,I am working on vision module using SMT32F4 and OV7670. It is custom built board and here is more informationhttp://www.negtronics.com/vision-moduleThe problem I am having right now is with DCMI/DMA transfe...

bsp0524 by Associate II
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2 min interrupt using RTC

Posted on September 04, 2012 at 02:47Hi all, I am new to programming. I wanted some help regarding rtc coding. I am using stm32l1 discovery board(and IAR workbench), and want to generate interrupt after every 2 mins. I think using timers for this wi...

STM32F103C6 HSE oscillator Hardfault

Posted on September 04, 2012 at 00:42Hello! Sorry for the new thread I'm new here, and I ran into a strange problem... I have a board with an STM32F103C6 micro, and I'm trying to switch the uC to use the on board  HSE crystal (12MHz) instead of the ...

holcsik2 by Associate II
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measure time for a puls with ADC

Posted on August 29, 2012 at 16:40I need to measure the averige a signal is low using the ADC. Is there a way to connet the adc to a timer? I have nott been able to figure that out, so insted I have tried the folowing... Start systick at 1ms, that c...

oe2 by Associate III
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UART junk values

Posted on September 03, 2012 at 09:20Hello, I was using UART4 pin PA0 and PA1 for my project. I have done all the initialization procedures right but ended up getting junk values at the output. below is my initialization function. void UART_LowLevel...

vivek2 by Associate II
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