[En-Nut-Discussion] anybody has been tested the MEGA128A on EtherNut 1.3?

DreamCat huayuliang at gmail.com
Fri Jul 29 04:24:40 CEST 2011


Thanks your reply.

I said I will test again my self, just to check what happend, remarked chip
or new chip.

tomorrow it will arrived, but this time it is not from digikey or element-14
yet. so let me pray...

2011/7/25 Johan van der Stoel <johan at streamit.eu>

> Hello,
> > MCU is working, but it can't found RTL8019AS or SRAM... once I remove one
> of them, it can be found.
> > I also test it with old type MEGA128-16AU, it worked very good.
> > so I think it should be the new MEGA128A's drive capability is not
> enough.
> We have tested the MEGA128A in our product using about same hardware:
> RTL8019AS and external SRAM, all 5V but no problem.
> I am not aware of any significant I/O drive capability issues.
>
> Best regards,
>
> Johan van der Stoel
>
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