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AP8842 Datasheet(PDF) 6 Page - Aplus Intergrated Circuits |
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AP8842 Datasheet(HTML) 6 Page - Aplus Intergrated Circuits |
6 / 14 page Integrated Circuits Inc. aP8842 Ver 1.3 6 Pin Description Pin No. Name I/O/P Function 1 S8 I Trigger switch 8, internal pull low, active high 2 OUT1 O Programmable output 1 3 VOUT1 O PWM audio signal output 1 for buzzer & speaker 4 VOUT2 O PWM audio signal output 2 for buzzer & speaker 5 VSS P Power ground 6 OUT2 O Programmable output 2 7 OUT3 O Programmable output 3 8 COUT O Current output from internal DAC for speaker playback 9 OSC I Oscillator resistor pin to control sampling frequency 10 S5 I Trigger switch 5 / CPU Addr.5 ( MSB ), 11 S6 I Trigger switch 6, internal pull low, active high 12 VPP P Program power, must connect to VDD when playback 13 S1 I Trigger switch 1 / CPU Addr.1 ( LSB ), internal pull low, active high 14 S2 I Trigger switch 2 / CPU Addr.2, internal pull low, active high 15 VDD P Positive power supply 16 S3 I internal pull low, active high 17 S4 I internal pull low, active high 18 SBT I Key Sequential/CPU trigger, internal pull low, active high 19 IRP I Interrupt to stop playback, internal pull low, active high 20 S7 I Trigger switch 7, internal pull low, active high Note1: The following pins are used to program data into the memory: 5 – 7 and 9 - 20. Note2: Vpp and Vcc MUST be connected to positive power supply during normal playback. However, they MUST be separated during data programming. |
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