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Max current from ARC32

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PappaNiklas

Post subject: Max current from ARC32

Posted: Wed Jan 19, 2011 2:11 pm

Citizen

Joined: Sat Jan 15, 2011 10:01 am
Posts: 16

simple question:

What is the max current from an logic port/pin ARC32, for example to drive a LED ?

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As i am both dyslectic AND Swedish, you may laugh at my spelling and grammar, but please please don’t comment it if you understand what i mean
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Acidtech

Post subject: Re: Max current from ARC32

Posted: Wed Jan 19, 2011 7:51 pm

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Joined: Thu Mar 01, 2001 11:00 am
Posts: 903
Location: Temecula, CA

About 3ma on most I/O pins. Some pins can sink 20ma(but still only source 3ma). We drive LEDs with them all the time. We use 390 or 220 ohm current limiting resistors.

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PappaNiklas

Post subject: Re: Max current from ARC32

Posted: Wed Jan 19, 2011 11:46 pm

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Joined: Sat Jan 15, 2011 10:01 am
Posts: 16

Thanks

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PS
As i am both dyslectic AND Swedish, you may laugh at my spelling and grammar, but please please don’t comment it if you understand what i mean
DS

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Max current from ARC32

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