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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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Is it possible to modify the serial boot loader?

Posted on September 12, 2013 at 18:37I'd like to write a custom bootloader and put it in system memory @0x1fff0000, so it won't occupy space in the 1MB flash. However, I don't know if the system memory region is writable and how.

xilin by Associate
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Problem with example USB code and RTC

Posted on August 07, 2013 at 20:47usb_bsp.c, V1.0.0, 19-September-2011 in USB_OTG_BSP_Init() makes this call:    RCC_APB1PeriphResetCmd(RCC_APB1Periph_PWR, ENABLE); That goofs up prior configuration I had done to the RTC. Is that a bug in the librar...

STM32L timebetween pulses

Posted on September 06, 2013 at 15:35 Hello,I'm trying to measure time between two pulses on a pin. Time between pulses is in 10 - 100 uS range so I can't use millis function. What I'm trying to do is use TIM2 CNT register. Since my APB2 clock is ru...

k_ by Associate II
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Mbed porting

Posted on September 11, 2013 at 21:59Has anybody ported Mbed code to this board? I believe this is being tried at the moment but not sure of success. Would be nice to have any information how to do this if it has been achieved.

External Power Supply

Posted on September 11, 2013 at 21:17Hello dear forumers,I have troubles finding any tutorial how to supply my stm32f3 with an external power supply.Are there any particular things i should be aware of, or should i just plug in stable 5V  between a ...

Configure channel3 Timer2

Posted on September 10, 2013 at 16:45 Hi, For the moment I am using the channel2 of the Timer 2 in capture mode. At each rising edge of the signal, the timer is captured and reseted; It works fine; My code is this following: G...

I2S Interrupt and Optimisation

Posted on September 10, 2013 at 17:02Hello All. In my app. I have I2S Transmitter with External Clock. I want to test the clock frequency. At clocktest.c I make: [code] volatile u32 clknum; extern volatile u32 SendTmr; void ClockTest(void){      Del...