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Forum Posts

How exactly DMA offloads processor/controller?

Posted on March 20, 2015 at 13:58I know DMA acts as a channel where the CPU gets bypassed while data is transferred between Memory/ Peripheral,and in the mean-time CPU can execute useful operations..But my question is ...If the DMA transfer is going...

spi chip enable strobe

Posted on March 24, 2015 at 14:39I need to transmit 5 bytes and after strobe ''update pin'' on ad9951 over and over again with speed about 300-400khz. Start every time transmission for each 5 bytes and strobe on tx complete - will not make it, it's ...

silent by Associate II
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STM32F10x UART tx hyperterminal

Posted on March 24, 2015 at 14:45Hello,I want to sent some characters to a hyperterminal program. But my program wont work..I dont receive any characters in my hyperterminal. I am using the STM32-P107 development kit. The controller on it is the STM...

nick2 by Associate II
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  • 15 replies
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what is the injected mode for adc?

Posted on March 20, 2015 at 15:59hello every one i have a quastion 1-what is injected mode? 2- what is different between regular mode and that? thanks for your answer

os1361 by Associate II
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STM32F030 SPI Data packing problem

Posted on March 25, 2015 at 10:23Hi all, I'm using STM32F030 and want to send 8 bits data using SPI1. I set data frame size to 8 bits but the SPI sends 16 clocks and the 8 bits data is sent during first 8 clocks.  The documentations of the STM32F030...

donev_g by Associate II
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stm32f3discovery read gyro acc mag data take long time

Posted on March 18, 2015 at 05:47I have a stm32f3discovery board,I want read the sensor's data, I use the driver in demo, but it take about 700 mseconds to get it, is this normal? but i want to handle these data under 20Hz.       seconds0 = millis()...

jipeng by Associate II
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  • 3 replies
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STM32F105 / 205 pin interrupt response time

Posted on March 21, 2015 at 17:50Hello, For a certain application i need to set an output pin after receiving an intput pin interrupt. What is the best way to calculate the fastest possible response time? I assumed following: 1. toggling an input p...

ronald23 by Associate
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