Re: pin driver difference between early/later VIC-II?

From: Frank Wolf <webmaster_at_frank-wolf.org>
Date: Thu, 4 Mar 2021 16:32:19 +0100
Message-ID: <a0a5f919-82a5-ab8a-5a6e-045289bbf163_at_frank-wolf.org>
Sorry... I meant: 6567R9.

/Frank


On 04.03.2021 16:30, Francesco Messineo wrote:
> On Thu, Mar 4, 2021 at 4:15 PM Frank Wolf <webmaster_at_frank-wolf.org> wrote:
>> I will eventually decap a 6569R9... but please don't expect that to
>> happen anytime soon.
> I thought 6569 ended with R5?
> That's the last I have ever seen anyway
>
>> On 04.03.2021 15:05, Michiel Boland wrote:
>>> There appears to be some kind of delay circuit, using chains of
>>> inverters, in the VIC-II for the luma output, maybe that changed
>>> between R56A and newer versions. It could be interesting to compare
>>> die shots, if there are any. I haven't found any decent quality die
>>> shots for any 6567 revision, though.
>>>
>>
>
Received on 2021-03-04 17:00:39

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