SNC206
Direct Drive Speech Controller
1. INTRODUCTION
SNC206 is a single channel voice synthesizer IC with PWM direct drive circuit. It
built-in a 4-bit tiny controller with one 4-bit I/O port. By programming through the tiny
controller in SNC206, user’s varied applications including voice section combination,
key trigger arrangement, output control, and other logic functions can be easily
implemented.
2. FEATURES
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Single power supply 2.4V – 5.5V
20 seconds voice capacity are provided (@6KHZ sample rate)
Built in a 4-bit tiny controller
Where P3.2, P3.3 can direct drive LED (8mA for driving, 16mA for sink)
One 4-bit I/O port is provided
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32*4 bits RAM are provided
64K*10 ROM size are provided for voice data and program
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
Built in a PWM Direct Drive circuit and a fixed current D/A output
8-level volume control for PWM Direct Drive output
System clock: 2MHz
Low Power Reset
2
Ver: 1.1
June 8, 2005