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AN4207 Datasheet(PDF) 25 Page - STMicroelectronics |
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AN4207 Datasheet(HTML) 25 Page - STMicroelectronics |
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25 / 28 page  AN4207 Application examples Doc ID 023945 Rev 1 25/28 The flowchart of this application is given in the figure below. Figure 15. Flowchart of ECG acquisition application DMA half/ complete transfer IRQ Set buffer pointer at 2nd half Set buffer pointer at 1st half Clear DMA half/ complete transfer interrupt Write SDADC sample in selected buffer ECG acquisition Init SDADC, TIM3 used as trigger, DMA Init SDADC Init TIM13 used as trigger Filter the SDADC samples using a BandPass FIR filter Display filtered samples on LCD Reset buffer pointer Exit application Disable acquisition: Disable SDADC, Disable TIM3 Stop acquisition? Is Half Transfer flag set ? Buffer pointer reset? MSv31142V1 |
Similar Part No. - AN4207 |
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Similar Description - AN4207 |
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