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GPCR03B Datasheet(PDF) 1 Page - Generalplus Technology Inc.

Part No. GPCR03B
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.

GPCR03B Datasheet(HTML) 1 Page - Generalplus Technology Inc.

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GPCR03B
SINGLE-CHIP VOICE
RECORD/PLAYBACK DEVICES
1. GENERAL DESCRIPTION
The GPCR03B is a record and playback device without CPU.
It
includes
256K-bit
working
SRAM
capable
of
storing
approximately 10 seconds of audio or speech data (@ 6.0KHz
sampling rate).
Easy-to-use with low power consumption, it has
MIC (microphone) input, AGC function, one PWM audio output
and direct speaker driver offering the simplest solution for users.
For audio processing, melody and speech can be mixed into one
output.
It operates over a wide operating voltage range (2.4V -
5.5V) providing various battery options.
Providing the best
cost/performance ratio for users, the GPCR03B includes, not
only the latest technology, but also the full commitment and
technical support of Generalplus.
2. BLOCK DIAGRAM
AUDP
CLOCK
GENERATOR
ADDRESS
COUNTER
MICPHONE
INPUT
&
AUTOMATIC
GAIN CONTROL
CONTROL
LOGIC
256K BITS
MEMORY CELL
ADPCM
DECODER
&
PWM
OUTPUT
ROSC
OP1I
OP1O
RECO
PLAY
ADPCM
ENCODER
MIC
ALC
AUDN
LOWPRESS
&
FILTER
3. FEATURES
Nature, high-quality playback suitable for voice, music, and
tones
Single-chip voice record and playback device
Microphone preamplifier
Automatic gain control
Direct speaker driver
Built in 256K-bit SRAM
Wide operating voltage: 2.4V - 5.5V
Frequency of playing and recording: 4K - 12KHz
4. APPLICATION FIELD
Memo Message Recorder
Hand-Carried Message Recorder
Recordable Toys
© Generalplus Technology Inc.
Proprietary & Confidential
1
JUN. 22, 2005
Version: 1.2


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