1081 SparkFun COM-09811 SparkFun NewCondition
Text to Speech chip for SpeakJet - TTS256

Text to Speech chip for SpeakJet - TTS256

23.99

Product Code : 1081

In Stock Now : 4
Impuestos Incluídos: 26,87 € Impuestos no Incluídos: 22,39 €

The TTS256 is an 8-bit microprocessor programmed with letter-to-sound rules. This built-in algorithm allows for the automatic real-time translation of English ASCII characters into allophone addresses compatible with the Magnevation SpeakJet Speech Synthesizer IC.

The TTS256 is offered in a through-hole, 28-pin package. Supplied power should be +5V. Very few connections are required for operation:

  Pin#     TTS256     Pin#     SpeakJet  
5 TX (sends serial data to host)    
14 Vss (ground)    
18 RX (received serial data from host) 15 Buffer Half Full
20 Ready 10 RX
24 SJ_TX    
28 Vdd (+5V)    

The TTS256  contains over 600 rules for pronouncing English text. While it does a pretty good job of the task, with a less than 5% error rate in most sentences, it will mispronounce some words.   Often times, some creative spelling will help.

  • Narrow 28-pin DIP
  • Companion chip to Magnevation SpeakJet and Savage Innovations SpeakGin
  • Built in 600 Rule database
  • 9600bps (8-N-1) serial interface (non-inverted TTL level)
  • Generates speech codes from ASCII text
  • Compatible with Arduino, Basic Stamp, OOPic, Pic, and any processor with serial output
  • Datasheet (note: The correct character to append to the end of text is 0x0D and not 0x0A as listed)
  • Tutorial (Adding the TTS256 to the SparkFun VoiceBox Shield)

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