[Coco] Prototype/Breakout Board

jdaggett at gate.net jdaggett at gate.net
Sat Mar 24 23:32:35 EDT 2012


On 24 Mar 2012 at 20:50, Louis Ciotti wrote:

> I am probably just going to bring them all out.
> 
> Dummy check time... .I want to make sure I have the pin/signal types 
> correct.
> 
> A0-A15    Bidirectional

Unidirectional Ouput from the Coco buss and microprocessor

> D0-D7     Bidirectional
> HALT      Output

Input 

> RESET     Output

Bidirectional Signal from the RESET circuitry on the Coco but can also be used as an 
external reset input if I remember correctly. 

> Q         Output
> E         Output
> CART      Input
> CTS*      Output
> SCS*      Output
> SND       Input
> SLENB     Input
> R/W*      Output
> NMI       Input
> 
> Lou
> 
> --


james





More information about the Coco mailing list