API840N View Datasheet(PDF) - APLUS INTEGRATED CIRCUITS

Part Name

Description

Manufacturer

API840N

32 to 40 SEC INSTANT VOICE ROM

APLUS INTEGRATED CIRCUITS 

APLUS

PIN DESCRIPTIONS

Name

TG8

LED 1

VOUT1

VOUT2

GND

STP/BUSY

LED 2

COUT

OSC

TG5

TG6

VPP

TG1

TG2

VCC

TG3

TG4

SBT

IRP

TG7

I/O

Function

I

Trigger Switch 8, Internal Pull LOW,

Active HIGH

O

Drives First LED Flash at 3 Hz,

Active LOW

O

PWM Audio Signal Output for

Buzzer

O

Compliment PWM Audio Signal

Output for Buzzer

-

Power Ground

O

Generate 30 ms Pulse or Busy

Signal After Voice Playback

O

Drives Second LED Flash at 3 Hz,

Active LOW

O

Current Output from Internal DAC

for Speaker Playback

I

Oscillator Resistor Pin to Control

Sampling Frequency

I

Trigger Switch 5, Internal Pull LOW,

Active HIGH

I

Trigger Switch 6, Internal Pull LOW,

Active HIGH

-

Program Power Supply, No

Connect When Voice Playback

I

Trigger Switch 1, Internal Pull LOW,

Active HIGH

I

Trigger Switch 2, Internal Pull LOW,

Active HIGH

-

Positive Power Supply

I

Trigger Switch 3, Internal Pull LOW,

Active HIGH

I

Trigger Switch 4, Internal Pull LOW,

Active HIGH

I

One Key or Sequential Trigger,

Internal Pull LOW, Active HIGH

I

Interrupt to Stop Playback, Internal

Pull LOW, Active HIGH

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.

API840N

PIN CONFIGURATION

20-Pin 300-mil PDIP

TG8 1

LED1 2

VOUT1 3

VOUT2 4

GND 5

STP 6

LED2 7

COUT 8

OSC 9

TG5 10

20 TG7

19 IRP

18 SBT

17 TG4

16 TG3

15 VCC

14 TG2

13 TG1

12 VPP

11 TG6

4

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