STM32 MCUs Products

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EEPROM Emulation

Posted on April 22, 2012 at 00:24The EEPROM emulation demo uses Flash pages 2 and 3 (16 Kbyte pages).  Flash pages 0 and 1 are also 16 Kbyte pages. WHat happens when your program is longer than 32 K?  Is the linker smart enough to skip Flash pages 2...

jihlein by Associate II
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DMA based SPI communication with NSS

Posted on March 06, 2012 at 13:40Hello, while studying the STM32F4xx datasheet i found the following passage:25.3.1: ''The NSS signal is driven low when the master starts the communication and is kept low until the SPI is disabled.''  This leads me ...

mstuehn by Associate
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STM3210C - Clock Frequency Irregularites

Posted on April 16, 2012 at 22:16Hi all, I am currently using the STM3210C evaluation board and have discovered something which is puzzling, and has to do with the clock frequencies.  I am currently using Atollic to program the board and have initia...

System software reset, effects and privileges

Posted on April 21, 2012 at 16:32Hi all, I'm building a custom bootloader and need to provide a way to write protect/unprotect the memory. In order to commit the change, a system reset is required, which I sought to be a software-triggered reset. Fi...

zavaboss by Associate
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PWM input capture

Posted on April 23, 2012 at 21:16It looks to me like the hardware for Tim4 will support PWM input capture on channel 3/4,but when I look at the source code for the standard peripheral library  (V3.5.0) the procedureTIM_PWMIConfig appears to be hardw...

Help with application jump to system memory boot

Posted on March 16, 2012 at 13:34Hello, I’m trying to force my device (STM32F417) into system memory boot without physically setting the boot pins (cannot access them) and resetting the board i.e. jump to it from my application when the user reque...

eamonn by Associate II
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  • 6 replies
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STM32F4-Discovery Audio_playback_and_record Project

Posted on April 23, 2012 at 11:29Hi, I'm trying to test the Audio_playback_and_record Project in the STM32F4-Discovery board, but even if I use the bin file included in the fw package(V1.1.0), the audio quality of the digital mems microphone is very...

spinazze by Associate
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CAN filter

Posted on April 20, 2012 at 09:26 Hello, i try to configure the CAN on a STM32F103R8. I would like to use the filter to block messages. Only messages with the ID 0x701, 0x581, 0x185, 0x285, 0x385, 0x485, 0x205 and 0x305 shall not be bloc...

frhoden9 by Associate
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  • 2 replies
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