Clock (Clock STL module)

General Description

The clock test implements independent time-slot monitoring and verifies the reliability of the internal main oscillator (IMO) system clock, specifically, that the system clock is neither too fast nor too slow within the tolerance of the internal low-speed oscillator (ILO).

More Information

The ILO clock is accurate to ± 60 percent. If accuracy greater than 60 percent is required, the ILO may be trimmed to be more accurate using a precision system level signal or production test. If ILO trimming is required, it is trimmed using the CLK_ILO_TRIM register.
If the WCO is available, it should be used for this test, since it is much more accurate. If the other oscillators (ECO, EXT_CLK, IMO) are safety critical, customers can use this test as a guideline.

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