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Vref - ADC accuracy

Posted on November 20, 2015 at 09:33Hi, Are there any software examples available about improving the ADC accuracy by using Vref? I’m trying to eliminate conversion errors due to Vref fluctuations. Thanks  

paul2 by • Senior
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STM32Cube V1.9.0 F429 Demo bug

Posted on November 17, 2015 at 21:42HiIn the  STM32F429I-Discovery Demo STM32Cube\Repository\STM32Cube_FW_F4_V1.9.0\Projects\STM32F429I-Discovery\DemonstrationsThis demo worked the first couple of times, but then I've had this demo randomly fail whe...

st140728 by • Associate II
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FSMC access speed

Posted on November 20, 2015 at 08:08HiI need to configure the FSMC in an STM32F4  to the fastest possible read access. I am reading an external FIFO and I need to read it as fast as it is possible. What are the parameters that influence the access s...

albertbu by • Associate
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STM32F4 FFT problem

Posted on November 19, 2015 at 15:36I have installed all DSP source files on the project and f32 fft works perfectly, but when I switch to q31 or q15, while  the input buffer shows got data, the output buffers all values (the frequency spectrum) are...

matas by • Associate II
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  • 4 replies
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CubeMX version inconsistency

Posted on November 20, 2015 at 02:20As far as I know, the current version of CubeMX is 4.11.00. I'd downloaded the windows installer for the standalone version STM32CubeMX from http://www.st.com/web/en/catalog/tools/PF259242 and it works as expected...

STM32F4 fft to orginal signal amplitude confirmation

Posted on November 20, 2015 at 17:40Hey guys, I just need a confirmation, that I understood this correctly. To compute the orginal signals amplitude from the FFT amplitude, you have to divide the FFT specific frequency amplitude from the FFT length ...

matas by • Associate II
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JLinkGDBServer Problem Write Accessing BKSPRAM and CCMRAM

Posted on November 20, 2015 at 17:37Hi All,I have recently moved over to using a Segger J-Link JTAG adapter. I'm using JLinkGDBServer, ARM Tools GDB in eclipse. The device on my target hardware is an STM32F427II. It appears that I only have R/W acce...

kirem by • Associate II
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Alternate function mapping table

Posted on October 18, 2013 at 11:04Hi all,at page 135 of http://www.st.com/st-web-ui/static/active/en/resource/technical/document/reference_manual/CD00240193.pdf, I found a note: ''To know which functions are multiplexed on each GPIO pin, refer to t...

Problems in frequency with STM32F429NIH6

Posted on November 19, 2015 at 14:13Hi, I have problems in my project when I set the core frequancy above 100MHz. Up to 100 MHz I have no problem. When frequency is higer than 100 MHz CPU goes in hard fault. Using a frequncy of 120 MHz CPU goes in h...

luca2399 by • Associate II
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