On Thu, 3 Apr 2003 21:15:21 -0600, you wrote:

>
>>From: Joseph Davis <[EMAIL PROTECTED]>
>>Date: Thu, 03 Apr 2003 00:04:08 -0800
>
>>>Did ST Microelectronics make a compatible processor?   If you're not=20
>>>sure, is the 6260 a 20 pin, 8 bit microcontroller or processor?=20
>>
>>The M6260A is a support chip handling communications for the 8xC154D
>>MCU.  Try 64 pin DIP.  If anyone has NEC Manual: "Microprocessor and
>>Peripheral - Data Book Volume III" it probably contains what I need,
>>from all I've inferred.
>
>Well, I found a datasheet for an AIC-6260 AT bus to SCSI chip from 
>Adaptec.   And an MSM6262 LCD controller from Oki...But no M6260. 
>Usually, I can find old stuff like that on freetradezone.com, but 
>they don't admit to it's existence and neither does icmaster.com.

I have about twenty sitting here.  It's probably not used outside of a
Honda ECU.  

I dunno if you've every tried to trial and error figure out a chip of
this complexity's function by tracing the circuit board and peering at
a partially commented dasm of the code used for the MCU.  Unpleasant
at the least.


>
>>Yeah, I got a severe dead end from the OKI folks, even tried a few
>>phone calls.  They don't care much for their older unsupported
>>components, won't even bother to sell ASM/DASM software for them.
>
>Yeah, I waited forever for some samples that never came, though they 
>stayed in touch and kept me updated on their "progress". 
>Fortunately, I was working on parts from a different manufacturer as 
>well, and that's what I ended up using--but if Oki is the only 
>company that made the needed part...

I got the same treatment from Microchip about some PIC12 and PIC16
samples.  *sigh*  I ended up using some Amtel 8052 variants I had
laying around, but I wanted the PICs due to 1) curiousity and 2) much
smaller packaging.   


>
>The next time I'm at Howard Electronics I'll try to remember to check 
>their book shelf for the NEC Manual.   They have a lot of old 
>documentation and a lot of old chips there.
>
>Jeff Walther

Jeff, that would be wonderful of you!

Joseph

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