1 Introduction

Test Name: Clock Line Frequency Test  

 

Purpose of test: Detect unexpected deviations in the system clock frequency.  

 

Description: This diagnostic test checks the oscillator stability and reliability at the expected clock frequency. This test uses the AC line frequency to verify proper CPU clock operation.  

The AC line frequency is measured by using a Zero-Cross Detection circuit connected Timer1 Gate module input.

API Documentation:  

Clock Line Frequency Diagnostic Test