Re: 6526A synchronous serial behavior?

From: Nicolas Welte <*no_spam_at_x1541.de*> Date: Sat, 24 Sep 2011 17:16:24 +0200 Message-ID: <4E7DF448.6060106@x1541.de> · no_spam_at_x1541.de

Gerrit Heitsch wrote:
> This also matches the appearance of the 8521 in late 1986. Could it be 
> that the change in timer behaviour is due to a mask change done while 
> transfering the 6526 from NMOS to HMOS-II?

Until I read your test results, I thought the 8521 (as well as the 8520!) 
shows the old 6526 behaviour.

Unfortunately I can't find my list anymore where I wrote down which chips 
are installed in which of my computers, so I can't run any tests now.

Nicolas

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