Neil,
     There is. And there will be a max for the whole device. It isn't 25=20
times the pins in the port times the number of ports. It will be=20
something like 100 mAs per port and 200 or 250 mAs for the whole device.=20
It will be listed in the datasheet.
Thanks,
rich!

On 8/23/2014 9:51 PM, Neil wrote:
> I use the outputs on 18F24K22 (same family) and other PICs regularly to
> drive currents much higher than 7ma without issue.  Few thoughts...
>
> - Did you remember to change the pins on the buzzer so the PIC is
> driving the positive side?
> - Did you measure the current on that pin when it should be driving the
> buzzer, and the voltage across the buzzer to see if it indicates what
> may be happening?
> - I assume the LED has it's own current-limiting resistor such that it's
> not pulling the buzzer down to 2-ish volts?
>
> Also, I don't remember the spec, but I'm pretty sure that there's a max
> recommended source/sink current for the whole port.
>
> Cheers,
> -Neil.
>
>
>

--=20
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