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API8108A

Apuls Intergrated Circuits
Part Number API8108A
Manufacturer Apuls Intergrated Circuits
Description VERSATILE 10 SEC INSTANT VOICE ROM
Published Apr 23, 2005
Detailed Description APLUS VERSATILE 10 SEC INSTANT VOICE ROM FEATURES * Minimum 10 second voice length at 6 KHz * Versatile features for pla...
Datasheet PDF File API8108A PDF File

API8108A
API8108A

Overview
APLUS VERSATILE 10 SEC INSTANT VOICE ROM FEATURES * Minimum 10 second voice length at 6 KHz * Versatile features for playback * Combination of voice building blocks extends the duration of playback * Voice data re-use saves memory space * Four trigger pins,TG1 to TG4 for eight groups * SBT for sequential play-all # Holdable and unholdable, edge and level triggering option * 15 ms debounce time suitable for CDS * IRP interrupt pin for master reset * Three programmable output pins for STP Stop Pulse, BUSY Signal, and LED * * * * * * # * * * * API8108A JUNE 1999 Built-in oscillator with variable sample rate Single external resistor to determine sample rate Built-in D/A converter, EPROM ADPCM data compression provides high sound quality Optional pop noise elimination function C OUT pin drives speaker with a transistor V OUT1 and VOUT2 drives buzzer or speaker directly Auto-power down 3.
0V-6V single power supply operation Low standby current (<5 mA at 3V) Development tools support GENERAL DESCRIPTION API8108A is a high quality voice synthesizer capable of varying playback duration.
A proprietary ADPCM algorithm is used.
The audio message is stored in a 256K bits onchip EPROM which can store up to ten seconds of voice data at 6 KHz sample rate.
The API8108A eliminates the need of complicated circuitry in voice playback but still achieves high voice quality.
Sounds such as human speech, animal sounds, musical sounds and even special sound effects can be synthesized.
Versatile combinations in sections achieve longer playback duration.
In addition, devices can be cascaded to achieve longer voice duration.
Two devices can be configured in parallel in order to achieve signal mixing without an external mixer in which speech can be mixed with background music each from one of two different chips.
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.
A current output pin, ...


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