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STM32F4 RTC supply current

Posted on February 23, 2012 at 09:59Where can I find stm32f4xx RTC-module suuply current? I didn't find information in datasheet. I need to know operating time from battery when power-off.

Watchdog problem after FLASH_EraseSector

Posted on February 22, 2012 at 17:09Hi, I use STM32F205RCT6 and attached you will find a sample for the STM320G-EVAL. Following problem. I have enabled the watchdog, but the FLASH_EraseSector takes much longer as the watchdog timeout. So I tried to ...

franz2399 by • Associate II
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STM32f103ZE - 6STEP with PWM

Posted on February 23, 2012 at 12:00The original post was too long to process during our migration. Please click on the attachment to read the original post.

Get A1 Pin voltage with ADC stm32f2xx

Posted on February 21, 2012 at 08:36Hi, I tried to get A1 pin voltage on my stm32f2xx with ADC. I have always the same value (3300mV) for temperature sensor, Vbat, VrefInt and A1 Pin ... I used ADC VBAT_Measurement and ADC3_DMA examples of STM32F2xx...

RTC Time Functions

Posted on January 17, 2012 at 17:27HiI need to work out the difference in days between 2 dates, what is the simplest way to do this?  the only way I can think is work out if its a leap year or not, and put in the days per month etc. but this seems l...

richardh by • Associate II
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STM32F4 MMC compatibility: 4.2 or 4.1?

Posted on February 21, 2012 at 22:16In the reference manual (section 26.1) it says:The SDIO features include the following: ? Full compliance with MultiMediaCard System Specification Version 4.2. Card support for three different databus modes: 1-bit...

ned by • Associate
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I2C Problem with STM32F103ze and Sensor

Posted on February 20, 2012 at 21:28Hi, according to my thread in my native language (german): http://www.mikrocontroller.net/topic/249457&sharp2558731 I wanted to find a solution for my problem. I have Keil + STM32F103ZE + ITG3200 (http://invensens...

Forum is forked

Posted on February 15, 2012 at 01:02There now appears to be a duplicate fork of the forum, content that was in ''STM32F4-Discovery'' is now replicated here.

TIM Config on STM32L1xx for Time Base Function

Posted on February 20, 2012 at 08:47Hi, I need a support to understand how I can configure the TIM Peripheral of my stm32l1xx (TIM8 for example) to develop a time base unit. I have to configure it for generating an interrupt every 100usec. In the St...

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