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#1
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IPAQ Wiring - which pins are used
There are commercial solutions availabe, ready to use.
But I would like to know which pins are used on the IPAQ 3900 side for a two wire communication with the GPS and which pins are used for the +5V power supply. The IPAQ connector has some 22 pins and I guess that for power pins 19 gets +5V and pin 21 gets ground. A standard serial cable may connect pins 6,7,8,9,10,11,12,13,14, whereas the USB cable connects to what? Is it pin 17 and 22 or some of the serial pins? Can someone explain the pin usage for a 4 wire power/com cable on the IPAq side? Thanks a lot Michael |
#3
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The 22 pin connector that fits into the iPaq 3900 series uses the following pins for a connection to a NMEA serial port: pins 1,2,3,4 = 5Volt pins 10,15,22 = common pin 7 = RD (input to iPaq) pin 8 = TD (output from iPaq) When using a DB9 male connector for the serial port connection use the following pins on this connector: pin 2 = data in (to iPaq) pin 3 = data out (from iPaq, but normally not used) pin 5 = common pin 8 = +5Volt Good luck, Karel, NL "Michael" schreef in bericht om... There are commercial solutions availabe, ready to use. But I would like to know which pins are used on the IPAQ 3900 side for a two wire communication with the GPS and which pins are used for the +5V power supply. The IPAQ connector has some 22 pins and I guess that for power pins 19 gets +5V and pin 21 gets ground. A standard serial cable may connect pins 6,7,8,9,10,11,12,13,14, whereas the USB cable connects to what? Is it pin 17 and 22 or some of the serial pins? Can someone explain the pin usage for a 4 wire power/com cable on the IPAq side? Thanks a lot Michael |
#4
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Hi,
Wonder if you can help. I'm looking at a plug for the 3900 series Ipaq and it has 4 rows of staggered pins for soldering to. Does anyone know the pin numbering sequence for the plug, thanks in advance John At 23:12 22 February 2004, K.P. Termaat wrote: The 22 pin connector that fits into the iPaq 3900 series uses the following pins for a connection to a NMEA serial port: pins 1,2,3,4 = 5Volt pins 10,15,22 = common pin 7 = RD (input to iPaq) pin 8 = TD (output from iPaq) When using a DB9 male connector for the serial port connection use the following pins on this connector: pin 2 = data in (to iPaq) pin 3 = data out (from iPaq, but normally not used) pin 5 = common pin 8 = +5Volt |
#5
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#6
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#7
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Same picture but the connector for the 3900 that he has is different. I am
trying to get a matching photo to the one he has Ian |
#8
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Thanks for your help with the pinouts, I have to admit
that I got my pin count wrong and have been trying to use 12 (RTS) instead of 7. Found out by plucking pins out of a plug until I was sure. My plug is numbered like this 1 5 9 13 17 21 3 7 11 15 19 4 8 12 16 20 2 6 10 14 18 22 Hope the formatting is retained. John |
#9
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I have plugs by 2 different manufacturers and neither of them has 4 rows of
pins! Ian "John Ferguson" . co.uk wrote in message ... Thanks for your help with the pinouts, I have to admit that I got my pin count wrong and have been trying to use 12 (RTS) instead of 7. Found out by plucking pins out of a plug until I was sure. My plug is numbered like this 1 5 9 13 17 21 3 7 11 15 19 4 8 12 16 20 2 6 10 14 18 22 Hope the formatting is retained. John |
#10
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Thanks Ian, unfortunately, you plug is a bit different
to mine. Yours has 5 pins in the top then two rows of 6 then one of 5. Mine has 6 pins in the top row then two rows of 5 and a last row of six. Has anyone managed to get one of these cables working with a 5450 Ipaq ? All help appreciated. |
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