ISO: NEC UPD72070 IC

[Allison]

>
>Subject: Re: ISO: NEC UPD72070 IC
>   From: "Chuck Guzis" <cclist at sydex.com>
>   Date: Fri, 12 Sep 2008 12:21:20 -0700
>     To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>On 12 Sep 2008 at 11:34, Al Kossow wrote:
>
>> Very unusual part. It was the only externally developed floppy controller
>> Apple ever used that supported GCR. Were you able to find data on it?
>
>In Japanese, a datasheet along with an app note on NEC's website 
>(http://www.necel.com).  Easy enough to suss out in spite of the 
>chicken scratches.  Basically a uPD765 controller with a bunch of add-
>ons for the GCR stuff.  
> 
>> I doubt you will be able to find one w/o unsoldering it from an AV board.
>
>I suspect as much.  Maybe there's someone out there with a junker...
>
>Cheers,
>Chuck

It in the intel data book page 3-32 (1988 volume2 peripheral with black cover).
I have that datasheet but the scanner is down.


Allison
>