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Altera_Forum
Honored Contributor
15 years agoAltera PL-APU USB Master Programming Unit (Power supply ratings Help!)
Hi Folks, I just recently acquired an Altera PL-APU Master programming unit. (The USB version) I am wondering if anyone knows the Voltage and current rating needed for the DC Power supply...
Altera_Forum
Honored Contributor
15 years agoHi Daixiwen,
Thank you very much for that Tip. I managed to adjust the voltage and got the APU programmer running perfectly at 7.5 Volts DC (1.0 Amps) center positive. I had used this setting early on during testing which failed. It turns out that the power supply I was using at that time was damaged and it was only providing around 400mA or current. So now with the 1000mA supply, the APU-USB drivers detected the APU hardware perfectly and was able to properly install. I made this diagram for my archive. http://www.digital-circuitry.com/images/webpage/mylab/apu_power_connector_001.jpg (http://www.digital-circuitry.com/images/webpage/mylab/apu_power_connector_001.jpg) Thanks very much for all the help. Kind Regards, Gerry O'Brien