API8108A

APLUS

1

Sec110 + Sec 10 + Sec 5

Group 4

Sec 10 + Sec 11 + Sec 12

Group 3

Sec 3 + Sec 2

Group 2

Sec 1 + Sec 2 + Sec 3 -----. Sec 109

1

Group

Section Entry

Group No.

An example of group configuration is illustrated below:

applications with many repeated sounds or words.

flexibility and allows data to be re-used, beneficial for

playback without limiting sequencing. This provides

the fundamental voice building blocks for arranging

memory sections of up to 124 sections. These sections are

Voice within each group are combinations of different fixed

Group Configuration

trigger multiple groups playback in sequence.

maximum of eight groups are available with activation

sections will form an individual group for data playback. A

subdivided into 124 sections. Any combination of these

The voice data memory area of the API8108A can be

Group of sections

evelopment tools support

D

*

A at 3V)

m

Low standby current (<5

*

3.0V-6V single power supply operation

*

uto-power down

A

*

directly

drives buzzer or speaker

2

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

*

uilt-in D/A converter, EPROM

B

*

ingle external resistor to determine sample rate

S

*

uilt-in oscillator with variable sample rate

B

*

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

oldable and unholdable, edge and level

H

#

SBT for sequential play-all

*

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

*

ersatile features for playback

V

*

inimum 10 second voice length at 6 KHz

M

*

FEATURES

playback.

down function eliminates undesired noise at the end of

filtering or amplifier circuit is needed. An automatic ramp-

speaker through a low cost NPN transistor. No complex

, enables the device to drive a

OUT

A current output pin, C

provides direct drive to buzzer or speaker.

2

OUT

and V

The API8108A provides wide operating voltage range

music each from one of two different chips.

mixer in which speech can be mixed with background

parallel in order to achieve signal mixing without an external

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 API8108A eliminates the need of complicated circuitry

data at 6 KHz sample rate.

chip EPROM which can store up to ten seconds of voice

is used. The audio message is stored in a 256K bits on-

varying playback duration. A proprietary ADPCM algorithm

API8108A is a high quality voice synthesizer capable of

GENERAL DESCRIPTION

VOICE ROM

ANT

TILE 10 SEC INST

VERSA

JUNE 1999