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authorMartin Braun <martin.braun@ettus.com>2015-02-12 11:04:29 +0100
committerMartin Braun <martin.braun@ettus.com>2015-02-12 11:04:29 +0100
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Merge branch 'maint'
Conflicts: host/examples/rx_samples_to_file.cpp
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@@ -362,6 +362,11 @@ For more advanced IMU based applications please refer to the <a href="https://gi
Please see the \ref page_gpio_api for information on configuring and using the GPIO bus.
\subsection e3x0_hw_audio Audio connectors
+The E3x0 2.5 mm Audio Jack TRRS pins are assigned as follows: Tip=Mic, Ring1=Right, Ring2=Left, Sleeve=GND.
+
+\image html TRRS.png "Audio Jack"
+
+The Left/Right audio outputs are compatible with typical low-impedance headphones (16 to 32 Ohms). The Microphone pin provides approximately 2 mA bias at 2.2 V when not suspended. A variety of pin configurations can be found on commonly available headsets, so an adapter may be required.
\subsection e3x0_hw_chipscope Debugging custom FPGA designs with Xilinx Chipscope