Audio: Difference between revisions
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=== ADC/DAC === | |||
* [https://www.ti.com/lit/ds/symlink/twl6040.pdf TWL6040] integrated 4-channel DAC, 2-channel ADC, headphone and speaker amp, microphone preamp, and vibration driver using dedicated McPDM interface for communication with the OMAP5 | |||
=== Jack === | === Jack === | ||
* 3.5mm headset TRRS (stereo audio and microphone) connector with automatic switch to go from [https://en.wikipedia.org/wiki/OMTP OMTP] to [https://en.wikipedia.org/wiki/CTIA_%E2%80%93_The_Wireless_Association CTIA] as seen [https://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards here] | * 3.5mm headset TRRS (stereo audio and microphone) connector with automatic switch to go from [https://en.wikipedia.org/wiki/OMTP OMTP] to [https://en.wikipedia.org/wiki/CTIA_%E2%80%93_The_Wireless_Association CTIA] as seen [https://en.wikipedia.org/wiki/Phone_connector_%28audio%29#TRRS_standards here] | ||
Revision as of 11:02, 22 June 2020
ADC/DAC
- TWL6040 integrated 4-channel DAC, 2-channel ADC, headphone and speaker amp, microphone preamp, and vibration driver using dedicated McPDM interface for communication with the OMAP5
Jack
- 3.5mm headset TRRS (stereo audio and microphone) connector with automatic switch to go from OMTP to CTIA as seen here
Volume Wheel
- Potentiometer to GPIO input in SoC, 10-Bit Resolution (allows software override of volume control)
Microphone
- Microphone located at the left edge between keyboard and D-pad.
Speakers
- Stereo speakers in base with tuned cavity behind them as per manufacturers' recommendations.