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IS22C040XI Datasheet(PDF) 4 Page - Integrated Silicon Solution, Inc |
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IS22C040XI Datasheet(HTML) 4 Page - Integrated Silicon Solution, Inc |
4 / 11 page ISSI® IS22C040 4 Integrated Silicon Solution, Inc. VP009-1C 10/01/98 PIN DESCRIPTIONS Name I/O Function S8 I Trigger Switch 8, Internal Pull LOW, Active HIGH LED1 O Drives First LED Flash at 3 Hz, Active LOW VOUT1 O PWM Audio Signal Output for Buzzer VOUT2 O Compliment PWM Audio Signal Output for Buzzer GND — Power Ground STP/BUSY O Generate 30 ms Pulse or Busy Signal After Voice Playback LED2 O Drives Second LED Flash at 3 Hz, Active LOW COUT O Current Output from Internal DAC for Speaker Playback OSC I Oscillator Resistor Pin to Control Sampling Frequency S5 I Trigger Switch 5, Internal Pull LOW, Active HIGH S6 I Trigger Switch 6, Internal Pull LOW, Active HIGH VPP — Program Power Supply, No Connect When Voice Playback S1 I Trigger Switch 1, Internal Pull LOW, Active HIGH S2 I Trigger Switch 2, Internal Pull LOW, Active HIGH VCC — Positive Power Supply S3 I Trigger Switch 3, Internal Pull LOW, Active HIGH S4 I Trigger Switch 4, Internal Pull LOW, Active HIGH SBT I One Key or Sequential Trigger, Internal Pull LOW, Active HIGH IRP I Interrupt to Stop Playback, Internal Pull LOW, Active HIGH S7 I Trigger Switch 7, Internal Pull LOW, Active HIGH Note: 1. The following pins are used to program data into the memory on the chip: pins 5, 6, 7, 9, 12, 15, 18 and 19. PIN CONFIGURATION 20-Pin 300-mil PDIP 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 S8 LED1 VOUT1 VOUT2 GND STP LED2 COUT OSC S5 S7 IRP SBT S4 S3 VCC S2 S1 VPP S6 |
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