• 1MHz Square wave out on RD0 (50% fixed Duty Cycle)
• LED0 flashing every 500mS on interrupt

This example shows how to use NCO. For further informations see NCO example for PIC16F18446

• Enable NCO
• NCO mode: FDC mode
• Clock Source: FOSC (16MHz)
• NCO output frequency: 1MHz (actually precise)

Timer0 is only used for flashing a led (NCO is an indipendent peripheral and does not requires a timer or CPU)

• Enable Timer
• Clock Source: FOSC/4
• Prescaler: 1:1
• Post Scaler: 1:1
• Timer mode: 16bit
• Requested period: 1mS

Other settings:

• RD0 locked on NCO1-NCO output in the Pin Manager grid
• RE2 locked as GPIO input in the Pin Manager grid (SW0 with pull-up enabled) - Not used in this example
• RE0 locked as GPIO output in the Pin Manager grid (LED0 - starts high=led off)
• System clock: 16MHz

Oscilloscope image: