Datasheet > API8108A

API8108A

更新时间： 2024-10-17 22:05:43

品牌	Logo	应用领域
APLUS		/
页数	文件大小	规格书
10页	284K
描述
VERSATILE 10 SEC INSTANT VOICE ROM

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中文翻译

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API8108A 数据手册

APLUS

API8108A

JUNE 1999

VERSATILE 10 SEC INSTANT

VOICE ROM

FEATURES

* Minimum 10 second voice length at 6 KHz

* Versatile features for playback

* Built-in oscillator with variable sample rate

* Single external resistor to determine sample rate

* Built-in D/A converter, EPROM

* Combination of voice building blocks

extends the duration of playback

* ADPCM data compression provides high sound

quality

* Voice data re-use saves memory space

* Four trigger pins,TG1 to TG4 for eight groups

* SBT for sequential play-all

* Optional pop noise elimination function

* C^OUTpin drives speaker with a transistor

# Holdable and unholdable, edge and level

triggering option

# VOUT1 and VOUT2 drives buzzer or speaker

directly

* 15 ms debounce time suitable for CDS

* IRP interrupt pin for master reset

* Auto-power down

* 3.0V-6V single power supply operation

* Low standby current (<5 mA at 3V)

* Development tools support

* Three programmable output pins for STP Stop

Pulse, BUSY Signal, and LED

GENERAL DESCRIPTION

API8108A is a high quality voice synthesizer capable of

varyingplaybackduration. AproprietaryADPCMalgorithm

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

chip EPROM which can store up to ten seconds of voice

data at 6 KHz sample rate.

Group of sections

The voice data memory area of the API8108A can be

subdivided into 124 sections. Any combination of these

sections will form an individual group for data playback. A

maximum of eight groups are available with activation

controlled by TG1 to TG4 pins. The SBT pin can be used to

trigger multiple groups playback in sequence.

TheAPI8108Aeliminatestheneedofcomplicatedcircuitry

in voice playback but still achieves high voice quality.

Sounds such as human speech, animal sounds, musical

soundsandevenspecialsoundeffectscanbesynthesized.

Versatilecombinationsinsectionsachievelongerplayback

duration. In addition, devices can be cascaded to achieve

longer voice duration. Two devices can be configured in

parallelinordertoachievesignalmixingwithoutanexternal

mixer in which speech can be mixed with background

music each from one of two different chips.

Group Configuration

Voicewithineachgrouparecombinationsofdifferentfixed

memorysectionsofupto124sections.Thesesectionsare

the fundamental voice building blocks for arranging

playback without limiting sequencing. This provides

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

applications with many repeated sounds or words.

An example of group configuration is illustrated below:

The API8108A provides wide operating voltage range

feom 2.8Vto6.0V.PWM digital amplifier output pins,VOUT1

and VOUT2 provides direct drive to buzzer or speaker.

Group No.

Section Entry

Group 1

Group 2

Group 3

Group 4

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

Sec 3 + Sec 2

A current output pin, C^OUT, enables the device to drive a

speaker through a low cost NPN transistor. No complex

filtering or amplifier circuit is needed. An automatic ramp-

down function eliminates undesired noise at the end of

playback.

Sec 10 + Sec 11 + Sec 12

Sec110 + Sec 10 + Sec 5

12 3 4 5 6 7...10

中文翻译

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与API8108A相关器件

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API8208	APLUS	获取价格	VERSATILE 20 SEC INSTANT VOICE ROM
API8208A	APLUS	获取价格	VERSATILE 20 SEC INSTANT VOICE ROM
API8208G	APLUS	获取价格	OTP VOICE SERIES
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API820G	APLUS	获取价格	tiny-controller-based voice synthesizer IC
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API860	APLUS	获取价格	single chip high quality voice synthesizer IC
API860G	APLUS	获取价格	single chip high quality voice synthesizer IC
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