SN67090
Speech Controller
INTRODUCTION
SN67090 is a 90 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
90 seconds voice capacity are provided
Two 4-bit I/O ports and two 4-bit output 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
SN67090
Speech Controller
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December 20, 2000
微控制器 MCU
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