I've been building and testing for some time and am having difficulty with the PLL stage. When I program test_pll1() I am seeing a 5Hz wave on pin 10, where the documentation indicates I should be seeing 1Hz. The crystal is being driven correctly and the regulator is working. Any thoughts?
Attempting to tune a program generates the "RF VCO range is too low!" message, which would suggest that my PLL isn't functioning.