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GPCR20A Datasheet(PDF) 1 Page - Generalplus Technology Inc.

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
Logo GENERALPLUS - Generalplus Technology Inc.

GPCR20A Datasheet(HTML) 1 Page - Generalplus Technology Inc.

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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).
© Generalplus Technology Inc.
Proprietary & Confidential
1
MAR. 03, 2005
Version: 1.1


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