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SNC12020 Datasheet(PDF) 3 Page - SONiX Technology Company |
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SNC12020 Datasheet(HTML) 3 Page - SONiX Technology Company |
3 / 9 page SNC12020 One Channel Speech Controller 1. INTRODUCTION SNC12020 is a one-channel voice synthesizer IC with Push-Pull direct drive circuit. It built-in a 4-bit tiny controller with three 4-bit I/O ports. By programming through the tiny controller in SNC12020, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented. 2. FEATURES Single power supply 2.4V – 5.5V 20 seconds voice capacity are provided (@6KHZ sample rate) Built in a 4-bit tiny controller I/O Port Three 4-bit I/O ports P1, P2 and P3 are provided. − − − The driving/sink current of P3.2 & P3.3 is up to 8mA/16mA The IO pins P3.3 can be modulated with 38.5Khz carry signal to implement IR function. 64*4 bits RAM are provided Maximum 16k program ROM is provided 64K*10 shared ROM for voice data and program Readable ROM code data Built in one channel speech synthesizer Adaptive playing speed from 2.5k-20kHz is provided Built in an 8-level volume control Push-Pull Direct Drive circuit output, can directly connected to Speaker for sound output. System clock: 2MHz Event Mark function supported Low Power Reset Watch Dog Timer Supported 3. PIN ASSIGNMENT Symbol I/O Function Description P10~P13 I/O I/O port 1: IO P20~P23 I/O I/O port 2: IO P30~P33 I/O I/O port 3: IO Rosc I Oscillation component connection pin BUO1 O Push-Pull output 1 BUO2 O Push-Pull output 2 RST I RST=1 Reset Chip (Active H) VDD I Positive power supply GND I Negative power supply Test I Test pin Ver: 1.4 March 17, 2005 3 |
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