SNC579 Datasheet PDF

SONiX SNC579

SNC579 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, two 4-bit output ports and three 4-bit I/O ports. By programming through the tiny controller in SNC579, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.

Part No.	SNC579
Datasheet	SNC579 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, two 4-bit output ports and three 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 SNC579 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 IO4 IO5 IO6 4 PIN ASSIGNMENT Symbol P13 ~ P10 P23 ~ P20 P33 ~ P30 P43 ~ P40 P53 ~ P50...