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PDF VP-1000A Data sheet ( Hoja de datos )

Número de pieza VP-1000A
Descripción Digital Voice Processor
Fabricantes ETC 
Logotipo ETC Logotipo



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No Preview Available ! VP-1000A Hoja de datos, Descripción, Manual

VOICE
FEATURES
n High quality voice & sound generation
n Record & playback with external SRAM
n Playback-only with external EPROM or ROM
n Stand-alone operation
n 32K x 8 direct memory addressing, expandable
n Single 5V DC supply voltage
GENERAL DESCRIPTIONS
The VP-1000A is an advanced CMOS LSI chip for general
purpose voice/sound record and playback applications.
It can be interfaced with external SRAM to construct a
realtime recording circuitry, or with external ROM or
EPROM for playback only applications. When ROM or
EPROM is used, the sound must be digitized by using
Eletech's VP-880 Voice Development System or VW-
1000A Voice EPROM Writer.
APPLICATIONS
n Voice memo recorder
n Sound effects generator
VP-1000A (DIP40) Pin Assignment
VP-1000A
Digital Voice Processor
n Low power consumption
n Continuous Variable Slope Delta (CVSD) modulation
n Sampling rate from 24Kbps to 128 Kbps
n Message digitization with the VP-880 or the VW-1000A
n Pin to pin compatible with UM5100
n 40-pin DIP (VP-1000A) or 48-pin QFP (VP-1000AF)
The VP-1000A is totally self-contained. It can access the
external memory all by itself without the help from any
microprocessor. Although the chip provides only 15
address lines, an external counter can be easily added to
extend the memory addressing to virtuely no limitation.
Therefore very long message length can be achieved
easily. Overall, the VP-1000A offers high voice quality
and flexible memory addressing that no other chips can.
n Digital announcer for consumer, industrial, security
and telecommunication products
VP-1000AF (QFP48) Pin Assignment
Eletech Enterprise Co., Ltd.
531-3F Chung-Cheng Road
Hsin Tien, Taipei Hsien, Taiwan
Tel:+886 2-2218-0068 Fax:+886 2-2218-0254
http://www.eletech.com
Eletech Electronics, Inc.
16019 Kaplan Avenue
Industry, CA 91744, U.S.A.
Tel: (626) 333-6394 Fax: (626) 333-6494

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VP-1000A pdf
2. Single-Message Playback, 8M EPROM
3. Multiple-Message Playback, Sequential Control
The 8M EPROM is divided into 32 equal segments of 256K
bits. Each message is stored in such a segment and must
be 256K bits or smaller. The first trigger will activate only
the first segment. The next trigger will activate the next
segment, and etc.
4. Multiple-Message Playback, Controller Interface
The 8M EPROM is divided into 32 equal segments of 256K
bits. Each message is stored in such a segment and must
be 256K bits or smaller. The message is activated via a
controller interface which consists of 5 address lines and
a strobe signal (PLAY).
VOICE VP-1000A..........................................................................................5

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