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Recent Forum Posts

Re: Need to drive 40 pins on variable change, is there a way to do it in elegant way?

This comes in four different C load versions from 6 to 12,5 pF.

Maybe you have wrong load capacitance.

Also I suppose it is parallel loading, it is not noted in the pdf.

Ioannis
Ioannis Today, 16:18

Re: Need to drive 40 pins on variable change, is there a way to do it in elegant way?

https://www.digikey.com/product-detail/en/citizen-finedevice-co-ltd/CFS-20632768EZBB/300-8761-ND/2217072
CuriousOne Today, 15:54

Re: Need to drive 40 pins on variable change, is there a way to do it in elegant way?

Not all crystals are the same. Others are for serial resonant and others for parallel.

Do you have the data sheet of the digikey ones?

Ioannis
Ioannis Today, 10:24

Re: 18F45K40 Can't set PORTD.1

Hope too! I was there 15 years ago and was very impressed. Kebab it is then!

When you get the board back, the test Henrik suggested would be very informative and interesting.

Ioannis
Ioannis Today, 10:23

Re: Need to drive 40 pins on variable change, is there a way to do it in elegant way?

Fixed, it was crystal issue. I've bought expensive, 6pf matched crystals from digikey, but they did not worked with DS1302. Installed some cheap one from China - works fine :D
CuriousOne Today, 08:44

Re: 18F45K40 Can't set PORTD.1

Thank you Ioannis. I hope to see you in Istanbul one day. Unlimited true Turkish sish kebap from me.

I shipped the board out. Now I do not have a board with this chip now.
And this chip is...
sayzer Today, 08:40

Re: Need to drive 40 pins on variable change, is there a way to do it in elegant way?

My programming skills are quite limited, even with DS1302, it took me almost month to make things going :) I've bought DS3231, but no luck with it so far :(
CuriousOne Today, 05:33

Re: 18F45K40 Can't set PORTD.1

Nice, I'm glad you figured it out.
Strange thing is that, according to the datasheet, RD1PPS defaults to 0 so you shouldn't need to clear that. It would be interesting to HSEROUT[DEC RD1PPS] on POR...
HenrikOlsson Yesterday, 20:21

Re: 18F45K40 Can't set PORTD.1

What a nightmare this setup bits...

Congrats Sayzer on your new mayor.

Ioannis
Ioannis Yesterday, 19:54

Re: Need to drive 40 pins on variable change, is there a way to do it in elegant way?

Check crystal capacitors, and crystal.
pedja089 Yesterday, 19:09

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