Re: 2764 -> 2364/68764 adapter

From: smf <*smf_at_null.net*> Date: Wed, 13 Jul 2016 12:44:04 +0100 Message-ID: <068fb5df-2a91-02ca-f0bf-8d2979cc0948@null.net> · smf_at_null.net

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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