23 CLKREF - Reference Clock Output Module

The reference clock output module provides the ability to send a clock signal to the clock reference output pin (CLKR). The reference clock output can be routed internally as an input signal for other peripherals, such as the timers and CLCs.

The reference clock output module has the following features:

  • Selectable clock source using the CLKRCLK register
  • Programmable clock divider
  • Selectable duty cycle

The figure below shows the simplified block diagram of the clock reference module.

Figure 23-1. Clock Reference Block Diagram
Figure 23-2. Clock Reference Timing