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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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CRS example

Posted on June 23, 2014 at 18:01Hi everyone,I'm starting to use the brand new STM32F072 and I'm very satisfied of it. However I'd like to use the CRS to synchronize the clocks of two micros on the same board, but I can't find any example or guidelin...

STM32f4 RTC Alarm with LCD

Posted on June 19, 2014 at 17:40HI, i want to configure the RTC alarm with LCD, to goal is to display the time in a LCD. I set the LCD and RTC but I do not know commant display the time on the LCDThis is my code to configure the RTC alarm void RTC...

haythem by Associate II
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STM32L100RBT6 USART1 RAMAP PB6-7

Posted on June 23, 2014 at 11:21 Hello, I have problem with USART1. Unfortunately I can't use dedicated pins (PA9-10). Since few days I'm trying to find some information about pin remapping in STM32L There is no MAPR register like in STM32F1...

MariuszG by Associate II
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  • 2 replies
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Fluctuations in ADC regular simultaneous mode

Posted on June 11, 2014 at 15:08Hi Everyone,We are developing a power monitor system. In that we are using ADC Peripheral in Regular Simlutaneous mode. we are taking 256 samples per cycle of 800 Hz. and we are trying to capturing signal from ADC1's ...

rags by Associate II
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  • 14 replies
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Using all channels of Timer 3

Posted on June 23, 2014 at 16:22 I'd like to use all channels of Timer 3 to generate different clocks and timers. Channel 1- 10ms timer interrupt Channel 2- 250us timer interrupt Channel 3- 50kHz clock (50%) on PB0 Channel 4- 256...

daniel2 by Associate II
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Problem with custom usb bootloader

Posted on June 23, 2014 at 01:20Hi all,I´m trying to develop my owm custom usb bootloader and firmware. As most of the people who tried before I am having problems because I´m ussing again the usb peripheral in the firmware. So I tried disconnecting...

anrusal by Associate II
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  • 9 replies
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I2C Reading state machine

Posted on April 11, 2013 at 23:50Hi,I am working on STM10C eval board. I am trying to read X and Y datas from the touchscreen using a state machine inside the I2C_IRQ_Handler. The start byte is generated inside the EXTI interrupt once a touch is det...

GSM Modem Interference

Posted on June 23, 2014 at 10:13A GSM modem is in proximity to the uC. When the current bursts of the modem occur I get false logical 1 on my port pins. They are configured as analog inputs. I am using the STM32L100-DISCO board. I was wondering if t...

Accurate RTC using HSI

Posted on June 23, 2014 at 21:14I'm using the SMT32F030 with 48MHz internal clock. I've configured the RTC and noticed it is about 8% fast. Is there a way to make this more accurate through calibration of some sort? Will that have to be done from pa...

daniel2 by Associate II
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