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IS22C022P Datasheet(PDF) 3 Page - Integrated Silicon Solution, Inc |
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IS22C022P Datasheet(HTML) 3 Page - Integrated Silicon Solution, Inc |
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3 / 11 page  Integrated Silicon Solution, Inc. — 1-800-379-4774 3 Rev. A 11/15/99 IS22C022 ISSI® OSCILLATOR OSC CLOCK GENERATOR CONTROL LOGIC S1 S2 S3 S4 SBT IRP OUTPUT DRIVER OUT1 OUT2 OUT3 POP NOISE REDUCTION ADDRESS SEQUENCER VOICE EPROM ADPCM DECODER BUZZER BUFFER D/A COUT VOUT1 VOUT2 GND VCC BLOCK DIAGRAM PIN DESCRIPTION OUT1 Programmable output 1 OUT2 Programmable output 2 OUT3 Programmable output 3 VOUT1 PWM audio signal output for buzzer and speaker VOUT2 PWM audio signal output for buzzer and speaker GND Power ground COUT Current output from internal DAC for speaker playback OSC Oscillator resistor pin to control sampling frequency VPP Program power supply, no connect when voice playback S1 Trigger switch 1, internal pull low, active high S2 Trigger switch 2, internal pull low, active high VCC Positive power supply S3 Trigger switch 3, internal pull low, active high S4 Trigger switch 4, internal pull low, active high SBT Sequential trigger, internal pull low, active high IRP Interrupt to stop playback, internal pull low, active high Note: 1. The following pins are used to program data into the memory: pins 4, 5, 6, 8, 9, 12, 15 and 16. PIN CONFIGURATIONS 300-mil PDIP 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 OUT1 VOUT1 VOUT2 GND OUT2 OUT3 COUT OSC IRP SBT S4 S3 VCC S2 S1 VPP |
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