[sdiy] D78C-1 processor pdf? (SCI Tom continued)

[Colin Hinz]

On Thu, 26 Apr 2012, Bob Weigel wrote:

> On 4/25/2012 4:42 PM, Colin Hinz wrote:
>> On Sun, 22 Apr 2012, Bob Weigel wrote:
>> 
>>> Anyway I could really use a diagram of the D78C-1 chip that's in there. 
>>> These are in other things I've seen I think but I can't find one online. 
>>> D78C10 is a totally different thing. Thanks, -Bob
>> 
>> Searching on "NEC Microcontroller Data Book" reveals that Google Books
>> has several editions of it. But hold on, they've actually *entombed*
>> these books, as they all are completely inaccessible due to copyright
>> concerns.
>> 
>> Oh well.
> 
> THanks for looking..John informed me I misread the chip.  doh.  It's a 780C-1 
> which is a Z80 rendition as you'd expect of a Sequential machine.  Now to 
> figure out why some of the lines have a square wave modulation on them....

D'oh! That explains why I couldn't find the part number in the two
editions of the IC Master that I'm lucky to have. (These books are on
occasion better than gold, they give a pretty comprehensive "snapshot
in time" of what was on the market at a particular time, even if
datasheets for most of the parts aren't included.)

- Colin