23.2 Features
The following are key features of the FREQM module:
- Ratio can be measured with 24-bit accuracy
- Accurately measures the frequency of an input clock source from GCLK_FREQM_MSR with respect to a reference clock
- Reference clock can be selected from the available GCLK_FREQM_REF sources
- Measured clock can be selected from the available GCLK_FREQM_MSR sources
- Free-running support enabling continuous clock monitor with flexible window threshold selection