Re: Lock LED
So an LED + a resistor from pin 28 to V+ will give me the indicator I want, right?
/U.
scottnixon said:Pin 28 of the 8412 goes 'low' with valid signal lock, if that's what you need to know.
So an LED + a resistor from pin 28 to V+ will give me the indicator I want, right?
/U.
You can see how I have done. Note also that I take out the frequency information with a flip-flop.Nisbeth said:Hi There!
I've build Fedde's NONOZ-II DAC using the CS8412/TDA1543-combination and my own PCB-layout. Is there a way to put a "signal-lock"-LED on the CS8412 so I can see if a signal is present on the input of the receiver?
/U.
http://home.swipnet.se/~w-50719/hifi/dac/dac_schema_sida_1.html
Pin 25 not 28. See the datasheet. http://www.geocities.com/rjm003.geo/rjmaudio/pdf/cs8411.pdf
28 is fine
Nisbeth, I think you've got it... If you hard tie the anode to a +5, a 200 - 1000 ohm ought to do fine, depending on the LED. You can do the reverse with pin 25, BUT I'd rather 'ground' an LED to fire it as opposed to actually using the chips internals to drive it high. That's just me
Nisbeth, I think you've got it... If you hard tie the anode to a +5, a 200 - 1000 ohm ought to do fine, depending on the LED. You can do the reverse with pin 25, BUT I'd rather 'ground' an LED to fire it as opposed to actually using the chips internals to drive it high. That's just me
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