Part question...6845 CRTC

Chuck Guzis cclist at sydex.com
Thu Dec 1 18:26:46 CST 2005


On 12/1/2005 at 7:02 PM Allison wrote:

>I've never used the 6845 CRTC but over the years I've heard the Hitachi
>part is a better version than the older Motorola one.  Lacking a datasheet

>for Hitachi what is the differnce?
>
>I do have the moto part data sheet.

Not a whole lot; less than between the Moto and other vendors.  Primarily,
some of the write-only registers of the Moto part are read/write on the
Hitachi.  Program for the Moto and you'll be safe.

Here's a summary of sorts:

http://andercheran.aiind.upv.es/~amstrad/docs/crtcnew.html

Cheers,
Chuck






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