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45 lines
1.8 KiB
45 lines
1.8 KiB
8 years ago
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<script type="text/x-red" data-help-name="AudioOutputPT8211">
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<h3>Summary</h3>
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<div class=tooltipinfo>
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<p>Transmit 16 bit stereo audio to a low-cost PT8211 DAC chip. 4X oversampling
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and filtering are automatically used to improve output quality.</p>
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<p align=center><img src="img/pt8211.jpg"></p>
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</div>
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<h3>Audio Connections</h3>
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<table class=doc align=center cellpadding=3>
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<tr class=top><th>Port</th><th>Purpose</th></tr>
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<tr class=odd><td align=center>In 0</td><td>Left Channel</td></tr>
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<tr class=odd><td align=center>In 1</td><td>Right Channel</td></tr>
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</table>
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<h3>Functions</h3>
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<p>This object has no functions to call from the Arduino sketch. It
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simply streams data from its 2 input ports to a PT8211 chip. 4X
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oversampling and filtering is automatically used to improve quality.</p>
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<h3>Hardware</h3>
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<table class=doc align=center cellpadding=3>
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<tr class=top><th>Pin</th><th>Signal</th><th>Direction</th></tr>
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<tr class=odd><td align=center>9</td><td>BCK</td><td>Output</td></tr>
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<tr class=odd><td align=center>22</td><td>DIN</td><td>Output</td></tr>
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<tr class=odd><td align=center>23</td><td>WS</td><td>Output</td></tr>
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</table>
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<p>More information can be found in the PT8211 datasheet.
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</p>
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<h3>Examples</h3>
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<p class=exam>File > Examples > Audio > HardwareTesting > PT8211Sine
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</p>
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<h3>Credits</h3>
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<p>Frank Boesing and Benjamin developed this PT8211 object. Details can be
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found on this
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<a href="https://forum.pjrc.com/threads/29284-Dual-channel-16bit-dac-PT8211/page3" target="_blank">forum disussion</a>.
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<h3>Notes</h3>
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<p>
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</p>
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</script>
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<script type="text/x-red" data-template-name="AudioOutputPT8211">
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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