Anyone with specs for old Hitachi components?

[Scot Sealander]

"Buchholz, Steven" wrote:

> So far I haven't gotten any info on the 46506 

Any chance that it might be like a 6506?  (Or was there a 6506? I don't
know?)

Scot Sealander


> While just checking the old spec book I have for the 46510, I actually found
> the best clue yet as to the origin of the chips we're looking for.  I found
> a cross reference chart that gives the 46503, 46504 and 46505 as the "old
> type numbers" for Hitachi's versions of the rotoMola stock 6800 peripheral
> chips: 6843 FDC, 6844 DMAC and 6845 CRTC ... using that model, my chip would
> be a 6846 (ROM, I/O, Timer) ... and yours would be a 6850 (ACIA) ???  I
> don't have a Moto catalog here, but the cross ref I have says that the 46846
> and 46850 fill those slots ... and at least in my ECU, the processor has
> integral I/O, timer and serial interface functions.  If anyone happened to
> find a HD46508, it is a 16-channel, 10-bit A=>D module ... perhaps it got
> into an ECU somewhere ...
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