GPCR20A datasheet(1/12 Pages) GENERALPLUS | SINGLE-CHIP VOICE RECORD/PLAYBACK DEVICES

Part No.	GPCR20A

Description	SINGLE-CHIP VOICE RECORD/PLAYBACK DEVICES

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Manufacturer	GENERALPLUS [Generalplus Technology Inc.]

Direct Link	http://www.generalplus.com

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GPCR20A

SINGLE-CHIP VOICE

RECORD/PLAYBACK DEVICES

1. GENERAL DESCRIPTION

GPCR20A is a highly integrated circuit that contains all of the

necessary functions for providing high quality voice recording and

playback. In order to provide the high quality voice, 4 times over

sampling and 19 level digital filter technology are used to reduce

the noise level. Easy-to-use, low power consumption and

compact size are the tremendous features of GPCR20A. Total of

512K bits SRAM are capable of storing approximately 20

seconds of audio or speech voice (@ 6KHz sampling rate). PWM

speaker driver offers the simplest output solution for users.

Furthermore, the wide operating power supply (2.4V - 5.5V)

provides various battery options to select. The development team

of GPCR20A designs especially for compact message recorder,

recordable toys and other similar products. It is welling to provide

the best cost/performance ratio for users.

2. FEATURES

Nature, high-quality playback suitable for voice, music, and

tones.

Single-chip voice record and playback device.

Microphone differential input and preamplifier output

Low pass amplifier input

Automatic gain control

PWM speaker driver

Built in 128Kx4bits SRAM, address space (0-1FFFF)

Wide operating voltage range: 2.4V - 5.5V

Frequency of playing and recording: 4K - 10KHz

20 sec recording time @ 6.0KHz

One voice box with 20 sec or 2 voice boxes with10 sec

(Bonding option select one or two voice box)

Edge or level-hold recording trigger

(Bonding option select edge or level trigger)

Prompt beep sound (Bonding option select beep or not)

LEDs indication for recording starting and ending or playing

starting and ending.

Edge trigger for playback triggers.

Auto-playback function after ending of recording (Bonding

option select auto-playback or not).

Proprietary & Confidential

1

MAR. 03, 2005

Version: 1.1

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