SN67020
Speech Controller
INTRODUCTION
SN67020 is a 20 seconds single chip voice synthesizer IC which contains I/O
pins and a tiny controller. By programming through the tiny controller, user’s
applications including section combination, trigger modes, output status, and
other logic functions can then be easily implemented.
FEATURES
Single power supply 2.4V - 5.1V
Built in a tiny controller
20 seconds voice capacity are provided
One 4-bit input port and two 4-bit I/O ports are provided
64*4 bits RAM are provided
Maximum 16k program ROM is provided
Readable ROM code data
Built in a high quality speech synthesizer
Adaptive playing speed from 2.5k-20kHz is provided
Fixed current D/A output is provided to drive external connected transistor
for sound output
Low Voltage Reset
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December 20, 2000
SN67020
Speech Controller
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December 20, 2000
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