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Regarding STM32F207 Timers ISR

Posted on November 26, 2014 at 11:11Hi, I am very new to 32 bit micro-controllers.I am using STM32f207VG controller.I want to use Timer2 to generate Interrupt every 1 ms.Timer clock is set to 36MHz. I have written the following code for timer ISR.My...

er by Associate II
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SDADC2 synchronization with SDADC1

Posted on November 26, 2014 at 10:43I have seen a lost of discussions about synchronized sampling of ADCs. But I haven't seen a single example for synchronized sampling of SDADCs anywhere. I am using stm32f373 MCU where I want to sample SDADC1 and S...

rizwin by Associate II
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  • 2 replies
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ARM32F Unaligned Data Support

Posted on November 25, 2014 at 18:55Dear All,As we can see in the attached picture the ARM support Unaligned and Aligned data supportPlease advice what mechanism is using by arm to identify two or three or four operand at single memory address 

0690X00000602vdQAA.jpg
pic_micro by Associate II
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IAR : 32 bits SP is not 64 bits DP !

Posted on November 26, 2014 at 14:27Reading http://www.iar.com/Global/Resources/Developers_Toolbox/C_Cplusplus_Programming/Improve_performance_of_digital_signal_processing_with_IAR_Embedded_Workbench_for_ARM.pdfpage 3 :arm_sqrt_f32 : 52 cyclessqrt :...

tarzan2 by Associate III
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Exclamation mark breakpoint

Posted on November 26, 2014 at 18:20 Hi! Keil  MDK Lite V5.12 I cannot tell why the debugger cannot breakpoint certain rows. Like a CAN_Transmit function. Not only will put an exclamation mark, it will jump over it completely. This function is that ...

zamolan by Associate II
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  • 1 replies
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CHINA made stm32 quality

Posted on November 25, 2014 at 09:09I get some stm32f103cbt6 or similar parts from china that prices are very low compared to digikey prices(ST price is 2.4$ @10000), but china price is about 2$, what is the reason? Is china made stm32 reliable and ...