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docs: Update the application examples in sdm

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shenmengjing
2024-07-09 16:30:46 +08:00
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docs/en/api-reference/peripherals/sdm.rst
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@@ -142,11 +142,11 @@ For example, you can take the following `Sallen-Key topology Low Pass Filter`_ a
Sallen-Key Low Pass Filter
Application Example
-------------------
Application Examples
--------------------
* 100 Hz sine wave that is modulated with Sigma-Delta: :example:`peripherals/sigma_delta/sdm_dac`.
* LED driven by a GPIO that is modulated with Sigma-Delta: :example:`peripherals/sigma_delta/sdm_led`.
* :example:`peripherals/sigma_delta/sdm_dac` demonstrates how to use the sigma-delta driver to act as an 8-bit DAC, and output a 100 Hz sine wave.
* :example:`peripherals/sigma_delta/sdm_led` demonstrates how to use the sigma-delta driver to control the brightness of an LED or LCD backlight.
API Reference
-------------