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No. 57 Re: TTL levels on ezl80c 2005-12-16

The ports of EZL-80c isn't tolerant to 5V.
So the level converting circuit is required.
(If not, EZL-80c may be damaged.)

> Bruno COUSIN wrote:
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Hi,
>
> I would connect an ezl80c to a pic 16f877 but this pic have a 5v TTL level and ezl 3.3v TT level. Can i directly connect ezl to pic or i have to change TTL level ?
>
> Cheers

Writer Sollae Systems Company