hi,
i want to make a cable for the sciphone g2 that provides serial communication and charging with one connector. unfortunately the pictures at [1] aren't clear enough for me. i don't want to kill my phone. actually i count 15 pins in the picture, where mine has only 12. that's weird. i guess that 2 are just for aligning the case, but that still makes 13 vs. 12.
i tried to ascii draw the connector from the back (soldering) side. the rounded half of the connector on the upper side. The pins i found described elsewhere on the internet are already marked.
-------------------------- ( ) ( ) | ( ) | +-------------------------+ | | | | | | | | | / | | | | | | | | / +-------------------------+/ ^ ^ ^ ^ | | | | | | | +--- GND | | +----- GND | +----------- RX (PC -> Phone) +--------------- TX (Phone -> PC)
could someone please mark the pins that have to be connected for charging ? i guess one of the two GND pins is involved.
kind regards and thanks for your time
-Alex
Hi Alexander,
On Thu, Dec 16, 2010 at 11:06:49PM +0100, Alexander Huemer wrote:
i tried to ascii draw the connector from the back (soldering) side. the rounded half of the connector on the upper side. The pins i found described elsewhere on the internet are already marked.
As you can read from the Schematics page 8 (I/O connector), Pin 9 is the Charger/USB Power.
As you have already marked, 6+8 are UART and 10+12 is ground.
So you have to connect the ground of your power supply to 10 and/or 12, and the +5V to pin number 9.
I've added the pin numbers to your ASCII-ART:
( ) ( ) | ( 1 2 3 4 5 6 7 8 9 0 1012 ) +-------------------------+ | | | | | | | | | / | | | | | | | | / +-------------------------+/ ^ ^ ^ ^ | | | | | | | +--- GND | | +----- GND | +----------- RX (PC -> Phone) +--------------- TX (Phone -> PC)
baseband-devel@lists.osmocom.org
-
Alexander Huemer -
Harald Welte