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SNC26200 Datasheet(PDF) 4 Page - SONiX Technology Company |
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SNC26200 Datasheet(HTML) 4 Page - SONiX Technology Company |
4 / 11 page SNC26200 One Channel Speech Controller Ver: 1.7 October 14, 2009 4 3. PIN ASSIGNMENT Symbol I/O Function Description P10~P13 I Input port 1 P20~P23 I/O I/O port 2: IO P30~P33 I/O I/O port 3: IO P60~P63 I/O I/O port 6: IO Rosc I Oscillation component connection pin BUO1 O PWM output 1 BUO2 O PWM output 2 RST I RST=1 Reset Chip (Active H) CVDD I Positive power supply for CPU CGND I Negative power supply for CPU VDDIO I Positive power supply for I/O GNDIO I Negative power supply for I/O Test I Test pin 4. Block Diagram ROM Program/Speech 412K×12 bits OSC Address Pointers/ STACK Voice Synthesizer ALU SRAM (128 nibbles) Timer PWM Circuit Timing Generator Sampling Rate Counter IO port 3 IO port 2 Watch Dog Timer PWM IO Input port 1 IO port 6 |
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