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NSAM266SAA

更新时间： 2024-09-24 22:28:47

品牌	Logo	应用领域
美国国家半导体 - NSC		闪存
页数	文件大小	规格书
52页	570K
描述
NSAM266SA CompactSPEECHTM Digital Speech Processor with Serial Flash Interface

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NSAM266SAA 数据手册

March 1996

NSAM266SA CompactSPEECH^TMDigital Speech

Processor with Serial Flash Interface

General Description

The NSAM266SA is a member of National Semiconductor’s

CompactSPEECH Digital Speech Processor family. This

processor provides Digital Answering Machine (DAM) func-

tionality to embedded systems.

sending it commands. The CompactSPEECH processor ex-

ecutes the commands and returns status information to the

microcontroller.

The CompactSPEECH firmware implements voice compres-

sion and decompression, tone detection and generation,

message storage management, speech synthesis for time-

and-day stamp, and supports user-defined voice prompts in

various languages.

The CompactSPEECH interfaces with National Semicon-

ductor’s NM29A040 and NM29A080 Serial Flash memory

devices to provide a cost-effective solution for DAM and

Cordless DAM (CDAM) applications.

The CompactSPEECH processor integrates the functions of

a traditional Digital Signal Processing (DSP) chip and the

CR16A, a 16-bit general-purpose RISC core implementation

of the CompactRISC^TMarchitecture. It contains system sup-

port functions such as Interrupt Control Units, Codec inter-

face, MICROWIRE^TMinterfaces to a microcontroller and

Serial Flash, WATCHDOG^TMtimer, and a Clock Generator.

The CompactSPEECH implements echo-cancellation tech-

niques to support high-quality DTMF tone detection during

message playback.

The CompactSPEECH can synthesize messages in various

languages via the International Vocabulary Support (IVS)

mechanism. The NSAM266SA can store vocabularies on

either Serial Flash, or Expansion ROM memories. DAM

manufacturers can thus create machines that ‘‘speak’’ in

different languages, simply by using other vocabularies. For

more details about IVS, refer to the IVS User’s Manual.

The CompactSPEECH processor operates as a slave pe-

ripheral that is controlled by an external microcontroller via

a serial MICROWIRE interface. In a typical DAM environ-

ment, the microcontroller controls the analog circuits, but-

tons and display, and activates the CompactSPEECH by

1.0 Hardware

1.1 BLOCK DIAGRAMS

NSAM266SA Basic Configuration

TL/EE/12584–1

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

CompactSPEECH^TM, CompactRISC^TM, COPS^TMMicrocontrollers, HPC^TM, MICROWIRE^TM, MICROWIRE/PLUS^TMand WATCHDOG^TMare trademarks of National Semiconductor Corporation.

1996 National Semiconductor Corporation

TL/EE12584

RRD-B30M46/Printed in U. S. A.

http://www.national.com

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与NSAM266SAA相关器件

型号	品牌	获取价格	描述	数据表
NSAM266SAA/V	NSC	获取价格	NSAM266SA CompactSPEECHTM Digital Speech Processor with Serial Flash Interface
NSAM266SAA/VLJ	ETC	获取价格	Solid-State Recorder
NSAM266SC	ETC	获取价格
NSAM266SCA/V	ETC	获取价格	Solid-State Recorder
NSAM266SCA/VLJ	ETC	获取价格	Solid-State Recorder
NSAM266SP	ETC	获取价格
NSAM266SPA/V	ETC	获取价格	Solid-State Recorder
NSAM266SPA/VLJ	ETC	获取价格	Solid-State Recorder
NSAM266SPQC	ETC	获取价格	Solid-State Recorder
NSAM266SPV	TI	获取价格	8-BIT, 20.48MHz, MIXED DSP, PQCC68, PLASTIC, LCC-68

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