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VP-1000A 데이터시트 PDF




ETC에서 제조한 전자 부품 VP-1000A은 전자 산업 및 응용 분야에서
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부품번호 VP-1000A 기능
기능 Digital Voice Processor
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VP-1000A 데이터시트, 핀배열, 회로
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




VP-1000A pdf, 반도체, 판매, 대치품
APPLICATION NOTES
1. Reset Consideration
The Reset pin should never be left
floating. If the Reset pin is not con-
trolled by a non-floating signal, use
the following Reset circuitry. Note
that the 0.01uF capacitor is added
so that the VP-1000A gets a Reset
pulse on power-up.
2. Memory Address Expansion
The VP-1000A's internal 15-bit address counter covers
memory space up to 32K x 8, or 256K bits. It can be easily
expanded by just adding a binary counter, clocked by the
falling edge of address line A14. The first counter output
becomes A15, the second output becomes A16 and etc.
This is possible since once started, the VP-1000A will not
stop recording or playing until it is reset. When the
internal counter reaches the maximum count, it simply
overflows and restarts from zero again. Therefore the VP-
1000A can access an unlimited amount of memory.
CIRCUIT DESIGN EXAMPLES
1. Single-Message Record and Play, 1M SRAM
VOICE VP-1000A..........................................................................................4

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관련 데이터시트

부품번호상세설명 및 기능제조사
VP-1000A

Digital Voice Processor

ETC
ETC

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