LPC5410x : Clock Cross-Check

BTaylor — Mon, 08 Feb 2021 10:11:13 GMT

Is there a quick (and relatively easy) way using the LPCopen libraries to cross-check the rate of an external clock with that of an internal clock (e.g. IR or RTC)? This would be part of a power-up self-test to ensure that the rate of the external clock is within tolerance (or at least that it is relatively consistent with the internal clock(s)).

Re: LPC5410x : Clock Cross-Check

FelipeGarcia — Tue, 09 Feb 2021 23:09:50 GMT

Hi,

There is a way to monitor some clocks by using CLKOUT pin. Using this feature you can select and observe certain clocks through an external pin.

Have a great day,

Felipe

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LPC5410x : Clock Cross-Check

Re: LPC5410x : Clock Cross-Check