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systick is stopped? while erasing flash memory

Posted on November 14, 2014 at 10:39On stm32f407, Erasing a 128KB flash sector takes about 1 second, but after I finished erasing 1 sector, the systick just happend for 3 times(3 milliseconds), as I config systick as 1000Hz.Does MCU disable systick ...

shark by Senior
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Bug Report STM32F10x_StdPeriph_Driver

Posted on November 14, 2014 at 18:14Hi, I'm just starting on ARM CORTEX and STM32 via The Spark Core so forgive me if I'm missing something but in file stm32f10x_tim.cFunctionvoidhttp://stm32.kosyak.info/doc/group___t_i_m___exported___functions.html...

julian23 by Associate
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configure gpio for external interrupt

Posted on November 14, 2014 at 14:53Hi I am using STM32F205 for my project (SN8000 EVK from  Murata).The SN8000 EVK uses Wiced SDK but it supports all the libraryfunctions, so the basic configurations will work(It uses vector tables in the vector_ta...

STM32F4xx: I2C multiple slaves, very strange behavior

Posted on October 16, 2014 at 12:25Hello all,I'm attempting to talk to two devices, a barometer (MS5611) and a magnetometer (HMC5883L), using I2C with DMA on an STM32F4. The barometer runs on a timer (10ms), while the magnetometer runs through an in...

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ittokor by Associate II
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STM32L0 8K RAM Limit

Posted on November 14, 2014 at 14:55Hello,Will the STM32L0 series (48 pin LQFP package) ever have more than 8K of RAM? - or is it an unchangeable design limit.I'm presently using the STM32L151 series and the 32K RAM is proving very useful for audio ...

gregstm by Senior III
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STM32Cube callbacks and variables

Posted on November 14, 2014 at 14:40As far as I can see the new STM32Cube has callbacks that are called from the ISRs. This means that all variables that can be changed within the callback and accessed from outside the callback has to be declared as...

STM32Cube callbacks and variables

Posted on November 14, 2014 at 13:00As far as I can see the new STM32Cube has callbacks that are called from the ISRs. This means that all variables that can be changed within the callback and accessed from outside the callback has to be declared as...