Maker Pro
Maker Pro

what is need for using memory

M

MichaelT

I am working on a project dealing with home security.

What I'd like to change is my dtmf storage area.
what I am using right now is a recording chip ISD1420 would like to use
some form of ram. I am not using microprosseror but I am confused on what
is needed. Do I have to use addressable latches, multiplexers,channel
data-selector, shift and store bus register. any help would be great.
Having hard time finding good information on how it all works.
 
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