HOW TO CHEK RTC ?

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ravichouhan
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HOW TO CHEK RTC ?

Post by ravichouhan »

3.IF 32KHz RTC WORKING CRYSTAL WORKING.BUT HOW CONFIRM RTC SECTION OF PCH (INTERNAL PART) WORKING AND IN THIS CONDITION WHICH SIGNAL WE ARE CHECK?
gurmeet singh
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Re: HOW TO CHEK RTC ?

Post by gurmeet singh »

Gr8 qustion brother how to check rtc wether it is working or not .
We know cristal circuit is used for rtc section which provides 32.768khz free clock when ever got some supply .
Am I right .
It's pin no.1 provides the sine wave of 32khz and on pin no.2 u will get the same output of 32khz but amplified and wave with little high amplitude . It indecates that cristal and rtc section working in good manner .
sus_clk is also the output of rtc section but having fullswing square wave of same 32khz . Once u got sus_clk it is sure ur rtc section working perfectly .

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pepero
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Re: HOW TO CHEK RTC ?

Post by pepero »

thanks
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