CreatiVision Cartridge Pinout

Discuss the CreatiVision hardware: models, revisions, fixing, hacking and modding.
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Scouter3d
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CreatiVision Cartridge Pinout

Post by Scouter3d » Sun Dec 22, 2013 11:18 am

Here is a schematic of the CreatiVision Cartridge Pinout...
Thanks go to Mobsie and Madrigal!
Greetings TOM :0)

V2: I updated the schematic and filled in the missing pins...
Also Information regarding differences to CreatiVision MKII.

V3: Small update, Info about internal 74LS139 added
creativision_cart_pinout_v3.jpg
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Last edited by Scouter3d on Fri Jan 03, 2014 7:17 pm, edited 2 times in total.
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MADrigal
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Re: CreatiVision Cartridge Pinout

Post by MADrigal » Sun Dec 22, 2013 10:32 pm

Great! Very useful! ;)
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Scouter3d
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Re: CreatiVision Cartridge Pinout

Post by Scouter3d » Fri Jan 03, 2014 5:48 pm

Schematic updated and added description to missing pins...

Also some Info on how the MKII works to switch to an external CPU (i think was intended for the ColecoVision adapter).

TOM:0)
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Mobsie
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Re: CreatiVision Cartridge Pinout

Post by Mobsie » Fri Jan 03, 2014 7:12 pm

Thats Great, now we have all. Thank you.
Pin 30 give me New Idea. :)
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Scouter3d
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Re: CreatiVision Cartridge Pinout

Post by Scouter3d » Fri Jan 03, 2014 7:18 pm

Small update...
TOM:0)
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Scouter3d
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Re: CreatiVision Cartridge Pinout

Post by Scouter3d » Fri Jan 03, 2014 7:37 pm

I wondered how the addressbus is disconnected from the 6502 when in "external CPU" mode, as i found nothing to do this...

But then i figured it out: The Addressbus is simply not used anymore! Because the Colecovision Expansion will have its own Addressbus and only uses the TMS 9929 and its 16kb ram (and the HF Modulator), which does not require an addressbus...

:0)
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Mobsie
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Re: CreatiVision Cartridge Pinout

Post by Mobsie » Tue Jan 07, 2014 10:03 am

Pin 30 is perfect for integrate a SID 6581 like the c-64. It will be easy to integrate one SID to my I/O interface i work on.
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TBCTBC
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Re: CreatiVision Cartridge Pinout

Post by TBCTBC » Thu Jan 09, 2014 2:19 pm

Yeah, I wish more computers had a external input like that. You could easily make a speech synthesis cart too or a sampling circuit or whatever. I'd like to make a cart with an analog moog filter and route the sound from the creativision into the cart :)
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Scouter3d
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Re: CreatiVision Cartridge Pinout

Post by Scouter3d » Thu Jan 09, 2014 3:33 pm

Hi,

The Audio Input Pin simply gets an Audiosignal form the Cartridgepin and puts it to the TV Speaker / Video out...
Nothing can be done (in the CV) with this Signal... Also this is only an Input i think? (but i may be wrong as it may be mixed with the CV Sound,- after looking in the schematic - now i think it actually is mixed, but would be a bit less in volume because of going thru 2 "3K3" resistors...) must test with a game...

TOM:0)
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MADrigal
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Re: CreatiVision Cartridge Pinout

Post by MADrigal » Thu Jan 09, 2014 7:04 pm

Scouter3d wrote:Hi,

The Audio Input Pin simply gets an Audiosignal form the Cartridgepin and puts it to the TV Speaker / Video out...
Real cool!!! :lol:

PS: just back from my trip in Wien. It was a nice trip indeed! ;)
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