As Mr. T. say it's probably your xtal hardware. I used 4MHz xtals for my 4550 projects and never had a any fail to start, even on white breadboards.
I'm pretty sure 4MHz will allow USB operation as w ...
Hello everybody, This is my first question in this form.
I am using 18F4550 at 48Mhz and program to have 1 second delay between steering leds. But actual delay seems 5 seconds. My code is as follows ...