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Diffstat (limited to 'host/docs/usrp_e3x0.dox')
| -rw-r--r-- | host/docs/usrp_e3x0.dox | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/host/docs/usrp_e3x0.dox b/host/docs/usrp_e3x0.dox index f93326bee..38bf8d926 100644 --- a/host/docs/usrp_e3x0.dox +++ b/host/docs/usrp_e3x0.dox @@ -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 |