STM32 MCUs Products

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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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Restarting DMA with new configuration

Posted on October 12, 2016 at 12:45Hello,I am using STM32F030x. I am trying to read the data from the UART using DMA (channel 2 -> Tx and channel 3-> Rx ). I used CubeMx to generate the initial code and configuration. The DMA is configured in NORMAL...

STM32F0 Stop Debugging

Posted on October 11, 2016 at 18:41Hey all, I have a problem when I'm debugging the STM32F091RC the firmware doesn't work. I break and the address is so high, about 0x1fffda7c. I've tried the demo examples and the same thing happens. Initialy, the...

eng23 by Senior
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STM32F303 I2C Clock Frequency

Posted on October 12, 2016 at 15:57Hello, We are using I2C on a STM32F303 in master mode. We have computed the configuration of TIMINGR register using AN4235 (and CodeMX gives same results). We don't use clock stretching. We are facing an unexpected...

Second endpoint issue - STM32F107

Posted on October 12, 2016 at 22:35 We are using the following USB FS library. All I need is an additional IN end point to send data to Host. When I tried to add an End point, for end point 2, transfer complete flag is never set. When using End ...

rraval2 by Associate
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Which USB device class to choose?

Posted on October 12, 2016 at 22:27Hey guys i'd like to use my STM32F4 to transfer data from the MCU to the PC (and vice versa). I thought it would be the easiest for the PC to be the host and the MCU to be the device, therefore i have worked my way...

Avoiding spurious interrupt

Posted on October 12, 2016 at 17:28 Hello all, I'm trying to measure the frequency of a signal using the input capture. I'm using the STM32F030's timer 3, which is a 16 bit timer. I want to extend the resolution to 32 bits, using the Capture ...