Re: 2764 -> 2364/68764 adapter

From: Francesco Messineo <francesco.messineo_at_gmail.com>
Date: Wed, 13 Jul 2016 13:46:08 +0200
Message-ID: <CAESs-_x6DUEM_pTJYS0vyi35iF3fK9pHP2WmXaHANDdu2WhYBQ@mail.gmail.com>
On Wed, Jul 13, 2016 at 1:44 PM, smf <smf@null.net> wrote:
> I also meant so say that converting 2764 pin 1 (Vpp) & pin 27 (_PGM) into
> something that would allow you to burn a 2364 is likely to be a lot more
> complex.
>
>
> On 13/07/2016 12:40, smf wrote:
>>
>> I'd have thought 2364 pin 20 (_CE) would make more sense to be connected
>> to 2764 pin 20 (_CE). This would cover the case for _OE being grounded as
>> well as when _CE & _OE are tied together. If _CE & _OE are independently
>> controlled then you probably ought to add a hex buffer with _OE1 and _OE2
>> and feed _CE and _OE to it.
>>
>> https://ist.uwaterloo.ca/~schepers/roms.html
>
>
>
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Received on 2016-07-13 12:02:15

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