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Re: [avr-gcc-list] output current for ATMega128 on output pins
From: |
Alan Kilian |
Subject: |
Re: [avr-gcc-list] output current for ATMega128 on output pins |
Date: |
Tue, 07 Jun 2005 14:33:43 -0500 |
> i just browsed the data sheet but could not find in the "electrical
> characteristics" how much current i can output on a port.
>
> I'd like to drive some LEDs.
>
> I wonder, but this value should be in the data sheet, i must have
> missed it.
On the Mega-128 data sheet I read there are two values I found:
Maximum current per I/O pin 40.0 mA
Maximum current Vcc and GND 200.0 mA
So, don't try and drive 10 LEDs at 20.0 mA each.
-Alan
--
- Alan Kilian <kilian(at)bobodyne.com>