Development tools support

•

Low standby current (<5 µA at 3V)

•

3.0V-6V single power supply operation

•

Auto-power down

•

rectly

2 drives buzzer or speaker di-

OUT

and V

1

OUT

•V

pin drives speaker with a transistor

OUT

•C

ptional pop noise elimination function

O

•

quality

ADPCM data compression provides high sound

•

Built-in D/A converter, EPROM

•

ingle external resistor to determine sample rate

S

•

Built-in oscillator with variable sample rate

•

Pulse, BUSY Signal, and LED

Three programmable output pins for STP Stop

•

RP interrupt pin for master reset

I

•

15 ms debounce time suitable for CDS

•

triggering option

Holdable and unholdable, edge and level

•

SBT for sequential play-all or random play

•

Four trigger pins, TG1 to TG4 for eight groups

•

oice data re-use saves memory space

V

•

extends the duration of playback

ombination of voice building blocks

C

•

Versatile features for playback

•

inimum 20 second voice length at 6 KHz

M

•

FEATURES

trigger multiple groups playback in sequence.

controlled by TG1 toTG4 pins. The SBT pin can be used to

maximum of eight groups are available with activation

sections will form an individual group for data playback. A

subdivided into 126 sections. Any combination of these

The voice data memory area of the API8208A can be

Group of sections

of playback.

ramp-down function eliminates undesired noise at the end

filtering or amplifier circuit is needed.

An automatic

speaker through a low cost NPN transistor. No complex

, enables the device to drive a

OUT

A current output pin, C

speaker.

2 provides direct drive to buzzer or

OUT

V

1 and

OUT

V

from 3.0V to 6.0V. PWM digital amplifier output pins,

The API8208A provides wide operating voltage range

background music each from one of two different chips.

external mixer in which speech can be mixed with

parallel in order to achieve signal mixing without an

longer voice duration. Two devices can be configured in

duration. In addition, devices can be cascaded to achieve

Versatile combinations in sections achieve longer playback

sounds and even special sound effects can be synthesized.

Sounds such as human speech, animal sounds, musical

in voice playback but still achieves high voice quality.

The API8208A eliminates the need of complicated circuitry

voice data at 6 KHz sample rate.

on-chip EPROM which can store up to 20 seconds of

is used. The audio message is stored in a 512K bits

varying playback duration. A proprietary ADPCM algorithm

API8208A is a high quality voice synthesizer capable of

GENERAL DESCRIPTION

VOICE ROM

ANT

TILE 20 SEC INST

VERSA

11/15/99

1

APLUS

API8208A