Analog wired Headset
From Openmoko
(Difference between revisions)
m (Neo FreeRunner Analog wired Headset moved to Analog wired Headset) |
(→Neo FreeRunner: left<->right for 02, same as 01) |
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Line 6: | Line 6: | ||
ring<br> | ring<br> | ||
1(base): GND<br> | 1(base): GND<br> | ||
− | 2: | + | 2: left out<br> |
− | 3: | + | 3: right out<br> |
4(tip): mic + HOLD-button(press:short to GND) | 4(tip): mic + HOLD-button(press:short to GND) | ||
Revision as of 08:42, 19 August 2008
There's a four-ring 2.5mm stereo jack which provides connectivity to old-fashioned wired headsets.
The headsets used by Motorola smartphones (A780,A1200, ...) and the V-360 have a compatible configuration.
Neo FreeRunner
ring
1(base): GND
2: left out
3: right out
4(tip): mic + HOLD-button(press:short to GND)
Neo 1973
Pinout: [1]
base = ground speaker left (internal impedance 33R) to ground. (+jackinsert detection) speaker right (internal impedance 33R) to ground. tip = mic electret condenser type, to ground. bias (power for mic) 2K2 from +3.3v(wolfson codec) (+HoldButton shortcircuit to ground)