DATAMATH CALCULATOR MUSEUM
Texas Instruments Chatter-Book
|Date of introduction:||1988||Display technology:||n.a.|
|New price:||Display size:|
|Size:||12.0" x 21.5" x 1.7"|
|Weight:||2 pounds 13 ounces||Serial No:|
|Batteries:||4*AA cells||Date of manufacture:||wk 29 year 1990|
|AC-Adapter:||Origin of manufacture:||USA|
|Precision:||Integrated circuits:|| TSP50C42 (CSM42025),
|Program steps:||Courtesy of:||Joerg Woerner|
Nothing else than the English edition of the Super Speak & Read and the Ready...Set...Read! game.
The picture on the left side displays the game in the closed
state. The books opens by pulling at the two handles and one of the small
booklets included can be inserted. The Chatter-Book relies on the position
sensitive keyboard introduced with the
Dismantling the featured Chatter-Book manufactured in July 1990 by Texas Instruments in the United States reveals a very efficient internal construction centered around a TSP50C4X Speech Synthesizer and supported with two TSP60C19 Speech-ROMs compared to the TSP60C80 located in the original Ready...Set...Read!.
We located on the double-sided printed circuit board (PCB) three Integrated Circuits:
• TSP50C42/CSM42025: TSP50C50 VSP (Voice Synthesis Processor) with 8-bit microcontroller and 8k Bytes Mask ROM for both program and voice and
128 Bytes + 16 Nibbles RAM
• TSP60C19/CMM19010: VSM (Voice Synthesis Memory) with 256k Bits
• TSP60C19/CMM19027: VSM (Voice Synthesis Memory) with 256k Bits
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© Joerg Woerner, November 14, 2003. No reprints without written permission.