Also known as Enhanced Mini USB (EMU)
Proprietary connector used in HTC mobile phones, such as HTC Dream (T-Mobile G1).
+-----------+ | A B C D E | | ========= | \1 2 3 4 5 6| \----------+ at the cables
|4||Headset trigger (when connected to GND)|
Mini USB cables can be plugged into the ExtUSB connector.
|Power + USB||charge.|
|Power||Don't charge. (there is a bug that allows some charge the first time you connect power, then you have to reset).|
|Power + charge mode||charge.|