INTRODUCTION
SNC201 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 SNC201, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.

FEATURES
*Single power supply 2.4V – 5.5V
*3 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
*32*4 bits RAM are provided
*10K*10 ROM size are provided for voice data and program
*Maximum 10k 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

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INTRODUCTION
SNC117 is a one-channel voice synthesizer IC with PWM direct drive circuit. It built-in a 4-bit tiny controller with one 4-bit input port, two 4-bit I/O ports.
By programming through the tiny controller in SNC117, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.

FEATURES
* Single power supply 2.4V – 5.1V
* 40 seconds voice capacity are provided(@6KHZ sample rate)
* Built in a 4-bit tiny controller
* One 4-bit input port, two 4-bit I/O ports are provided
* 64*4 bits RAM are provided
* 128K*10 ROM size are provided for voice data and program
* Maximum 16k program ROM is provided
* Built in a high quality speech synthesizer
* Adaptive playing speed from 2.5k-20kHz is provided
* One voice channel
* Built in a PWM Direct Drive circuit and a fixed current D/A output
* System clock : 2MHz
* Low Power Reset

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