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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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RTC AND LSI IN VBAT OPERATION

Posted on June 11, 2013 at 09:25Hello! lately i configured the RTC to work respectively to the LSI oscillator. The RTC is working well while supplied from VDD pin. when working from the VBAT the last time count is preserved but from turning off to ...

meir3 by Associate II
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STM32F2 PLL and current

Posted on June 11, 2013 at 08:59Hi,I have selected an STM32F2 MCU for various reasons and I need to run it in the lowest power possible.The CPU will run most of the time et low speed 4 or 8 Mhz. For this I was thinking to use a 16Mhz crystal and byp...

Adalgiso by Associate II
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I2C to EEPROM(AT24C64) is not working fine.

Posted on June 11, 2013 at 08:00Hi,    I am trying to communicate with the external EEPROM (AT24C64) using I2C when i'm writing into the EEPROM it works fine, when i am reading the data from the eeprom it blocks on the internal address byte sending ...

stm32f4 timer2 problem.

Posted on June 10, 2013 at 23:19i used timer2 and it's clock source from  APB1   and Prescaler  value for  APB1 is 4 it's mean's APB1 work at 42mhz     ''168mhz/4 ''     becuase the maximum  frequency is 42mhz for APB1. i searched in internet and so...

jbl_raw by Associate II
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stm 32 discovery adc tachometer code for sensorless motor

Posted on June 10, 2013 at 17:34i have a  stm32 discovery kit , and i am sensing  the back emf of sensorless motor which is driven by other kit. i am using adc with one channel and a timer. the main aim to calculate the period while reading the adc-...

aman by Associate II
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Which interrupt for TIM1?

Posted on June 06, 2013 at 20:48Hello, I've TIM1 set for PWM signal generation (STM32F407VG). Everything works well but I want an interrupt to be rised on the falling edge of pulse and I have no idea how to set it. Currently I've the following sett...

jamsoft by Associate II
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STM32F205RC using ADC with DMA

Posted on June 09, 2013 at 16:32Hey Guys, I'm currently playing with the STM32F205RC Controller and I have some troubles with using  the A/D converter with DMA. The task I want to do is quite simple. I want to measure a voltage using ADC1 on Port A ...

Avonac by Associate II
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USB Driver issues

Posted on June 10, 2013 at 16:30In the user manual for the discovery board, it says that an installation wizard should appear when I connect the board to my computer for the first time, but that didn't happen.  I downloaded the driver from here: htt...

mattfox by Associate II
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FSMC with Display, Ram & Flash possible?

Posted on June 10, 2013 at 17:57Hi, is it possible to use this two or three Devices on the FSMC or what is the max of possbile peripherials on the FSMC bus? I wanted to connect my Display and an external SRAM (like the one of the STM32 Eval Board) w...

ersan by Associate II
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