Guzunty Pi clock signal testing notes

Now I have extended the RPi's PWM and GCLK signals to a proto board on the left of the Guzunty Pi.  I then execute the gz_test program to check out the GCLK output.  The scope says that the clock is 302.457 KHz.  When I press a key to exit the gz_test program, the clock immediately drops dead.  So I think everything looks OK.

Next step is to connect the CLK signal to the Guzunty Pi.

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