SNC552 Datasheet PDF

SONiX SNC552

SNC552 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 SNC552, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.

Part No.	SNC552
Datasheet	SNC552 Download
Manufacturer	SONiX
Description	Two Channel Direct Drive Speech Controller
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FEATURES

Single power supply 2.4V – 5.5V 20 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 64K*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: 1.2 1 November 26, 2002 3 Block Diagram SNC552 Two Channel Direct Drive Speech Controller ROM Program/Speech 64K×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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