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Author Topic: USB Host Shield : OSCOKIRQ failed to assert  (Read 2238 times)
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Hi,

I've got problem with USB Host shield and board test program.

I got this in console :

—šError: OSCOKIRQ failed to assert

Circuits At Home 2010 USB Host Shield QC test routine

Press any key to continue... Reading REVISION register...Die revision invalid. Value returned: FF Test FAILED!!! Test Halted. 0x55 pattern is being transmitted via SPI to aid in troubleshooting Press RESET to restart test

I am using Oleg's code, with Arduino UNO and 9V external power + arduino linked to computer..

Any idea ?
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It could be a bad USB host shield.  I recently bought one from SparkFun and found that it was bad.  Called SparkFun and they sent a new one which worked just fine.
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