Speech Synthesizer, Now from the Past

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If you can't Hack the future then Hack the Past

We all have project scraps and false starts. But, what if your false start was from the 1980s? Well this project began with a purchase from RadioShack in the mid-80's and has finally been completed.

Let The Chips Complete Thier Destiny

We all remember the Narrator Speech Processor (SP0256-AL2) and a few remember the Convert Text to Speech Chip (CTS256-AL2). <<picture of sp0256 package>> <<picture of cts256 package>>

Well I have these chips and I put them to use.

<<Circuit default sp0265 parallel with strobe>>

But the schematic with the CTS256-AL2 shows additional options. These options include a parallel data imput option (serial was the default), addition of RAM for input and output buffering, and serial parameter change switches. So, why not build the circuit with all the options?

<<Circuit with all the options>>

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