SNC573 Datasheet PDF

SONiX SNC573

SNC573 is a two-channel voice synthesizer IC with PWM direct drive circuit. It built-in a 4-bit tiny controller with one 4-bit input port and two 4-bit I/O ports. By programming through the tiny controller in SNC573, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.

Part No.	SNC573
Datasheet	SNC573 Download
Manufacturer	SONiX
Description	Two Channel Direct Drive Speech Controller
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FEATURES

Single power supply 2.4V – 5.5V 42 seconds voice capacity are provided(@6KHZ sample rate) Built in a 4-bit tiny controller One 4-bit input port and two 4-bit I/O ports are provided 128*4 bits RAM are provided 132K*10 ROM size are provided for voice data and program Maximum 16k program ROM is provided Readable ROM code data IR carrier signal is provided Built in a high quality speech synthesizer Adaptive playing speed from 2.5k-20kHz is provided Two independent voice channels (Channel 1 + Channel 2→Buo1,Buo2) Built in a PWM Direct Drive circuit and a fixed current D/A output System clock : 2MHz Low Power Reset Ver: 1.3 1 August 26, 2003 3 Block Diagram SNC573 Two Channel Direct Drive Speech Controller ROM Program/Speech 132K×10 bits Address Pointers/ STACK Timing Generator OSC SRAM (128 nibbles) Sampling Rate Counter × 2 PWM Timer ALU Voice Synthesizer D/A IO1 IO2 IO3 4 PIN ASSIGNMENT Symbol P13 ~ P10 P23 ~ P20 P33 ~ P30 VDD GND RST OSC BUO1/VO BUO2 I/O Function

DESCRIPTION

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