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Part Name(s) : MSM7630 MSM7630GS-BK OKI
Oki Electric Industry
Description : Universal Speech Processor View

GENERAL DESCRIPTION
The MSM7630 is a Speech Processor LSI device with internal D/A converter. It is optimized for Speech output applications such as text-to-Speech conversion.

FEATURES
• Parallel and Serial Interfaces
• Single 3.3V power supply
• 5V Interface available
• Internal 16-bit x 16-bit to 32-bit multiplier (2-clock data throughput)
• 26 VAX MIPS performance at 40 MHz operation (when using ordinary ROM/SRAM)
• Package: 100-pin plastic QFP (QFP100-P-1420-0.65-BK)(Product name: MSM7630GS-BK)

Part Name(s) : ISD-T267SP/J ISD-T267SP/Q ISD-T267SP ISD
Information Storage Devices
Description : CompactSpeech™ Digital Speech Processor View

CompactSpeech™ Digital Speech Processor with Full-Duplex Speakerphone and Multiple Supplier Flash Memory Support

Part Name(s) : XRD4417 XRD4417AID Exar
Exar Corporation
Description : Linear CCD Signal Processor with 10-Bit ADC and Serial Interface View

Linear CCD Signal Processor with 10-Bit ADC and Serial Interface

Part Name(s) : U4037B Temic
Temic Semiconductors
Description : Low Voltage Speech Circuit with Tone Ringer Interface View

Description
TELEFUNKEN microelectronic’s low voltage Speech and ringer Interface circuit, U4037B performs all necessary Speech, line Interface functions and the tone ringer required in an electronic telephone set. The circuit is line powered and contains all components necessary for amplification of signals and adaption to the line. The power supply of U4037B provides the MCU during the ringing and the Speech mode.

Features
Speech Circuit
● Adjustable dc characteristic
● Symmetrical input of microphone amplifier
● Receiving amplifier for dynamic or piezo-electric earpieces
● Automatic line loss compensation
● MCU controlled earphone gain 8 dB
● Anti-clipping in transmit direction

Tone Ringer Interface
● Adjustable volume via 2 bit D/A converter
● Adjustable threshold
● MCU power supply

Benefits
● Low number of external components

Applications
    Standard, telephones, fax machines


Part Name(s) : RSC-464 RSC464 ETC
Unspecified
Description : Speech Recognition Processor View

The  RSC-464  is  the  newest  member  of  Sensory’s RSC-4x  Family  of  microcontrollers  with  on-chip Speech  I/O  capabilities.  The  RSC-464  has  many features  of  the  RSC-4128,  but  reduced  in  cost  by integrating less memory.

The RSC-464 is designed to bring  high  performance  Speech  I/O  features  to  cost sensitive  embedded  and  consumer  products. 

Based on  an  8-bit  microcontroller,  the  RSC-464  integrates Speech-optimized  digital  and  analog  processing blocks into a single chip solution capable of accurate Speech  recognition;  high  quality,  low  data-rate compressed Speech; and advanced music. Products can use one or all features in a single application.

Part Name(s) : M25P10 M25P10-V M25P10-VMN6T M25P10-VMW6T ST-Microelectronics
STMicroelectronics
Description : 1 Mbit Low Voltage Paged Flash Memory with 20 MHz Serial SPI Bus Interface View

DESCRIPTION
The M25P10 is an 1 Mbit Paged Flash Memory fabricated with STMicroelectronics High Endurance CMOS technology. The memory is accessed by a simple SPI bus compatible Serial Interface. The bus signals are a Serial clock input (C), a Serial data input (D) and a Serial data output (Q).
The device connected to the bus is selected when the chip select input (S) goes low. Data is clocked in during the low to high transition of clock C, data is clocked out during the high to low transition of clock C

■ 1 Mbit PAGED Flash Memory
■ 128 BYTE PAGE PROGRAM IN 3 ms TYPICAL
■ 256 Kbit SECTOR ERASE IN 1 s TYPICAL
■ BULK ERASE IN 2 s TYPICAL
■ SINGLE 2.7 V to 3.6 V SUPPLY VOLTAGE
■ SPI BUS COMPATIBLE Serial Interface
■ 20 MHz CLOCK RATE AVAILABLE
■ SUPPORTS POSITIVE CLOCK SPI MODES
■ DEEP POWER DOWN MODE (1 µA TYPICAL)
■ ELECTRONIC SIGNATURE
■ 10,000 ERASE/PROG CYCLES PER SECTOR
■ 20 YEARS DATA RETENTION
■ –40 TO 85°C TEMPERATURE RANGE

 

Part Name(s) : NX25F641C-3T NX25F641C NexFlash
NexFlash -> Winbond Electronics
Description : 64M-BIT Serial Flash MEMORY with 4-PIN SPI Interface View

DESCRIPTION
The NX25F641C Serial Flash memory provide a storage solution for systems which are limited in power, pins, space, hardware and firmware resources. The NX25F641C is ideal for applications that store voice, images and data in a portable/mobile environment as well for down-loading code into controllers with embedded DRAM or SRAM.

FEATURES
• 64M–bit Serial Flash Memory
• Flash storage for systems with limited pins, space, and power
    – Ideal for high density Serial code–shadowing
    – Data, voice and image storage
    – Battery–operated products
• Nonvolatile Memory Technology
    – Single transistor EEPROM memory
    – 16,384 sectors of 528 bytes each
    – Sector erase/write time of 10 ms/sector (typical)
    – Ten year data retention
• 4–pin SPI Serial Interface
    – Easily Interfaces to popular microcontrollers
    – Clock operation as fast as 20MHz
    – Optional Hold and Ready/Busy pin functions
• Ultra–low Power for Battery–Operation
    – Single 2.7–3.6V supply for Read, Erase/Write
    – 1 µA standby, 5 mA active (typical)
• Special Features
    – Auto-increment sector read for Serial code–shadowing applications
    – Two on–board 528–byte SRAM Buffers
    – Byte–level addressing
    – Configurable software write–protection
• Package Options
    – 32–PIN TSOP (Type I)
    – Removable Cards and Modules

Part Name(s) : TDA7550R TDA7550 TDA7551 TDA7552 TDA7553 ST-Microelectronics
STMicroelectronics
Description : DIGITAL SIGNAL PROCESSING IC FOR Speech AND AUDIO APPLICATIONS View

DESCRIPTION
The TDA755X family is a high performances, fully programmable 24-bit, 50 MIPS Digital Signal Processor (DSP), designed to support several Speech and audio applications, as Automatic Speech Recognition, Speech Synthesis, Speaker Verification, Echo and Noise Cancellation. Software for these applications is licenced by Lernout & Hauspie and NCTI.
It offers an effective solution for this kind of applications because of the A/D and D/A converters and the big amount of memory integrated on chip.

■ 24-BIT, FIXED POINT, 50 MIPS DSP CORE
■ LARGE ON-BOARD PROGRAM ROM AND DATA RAM (UP TO 16Kw ROM/RAM AND 16Kw RAM)
■ INTEGRATED STEREO A/D AND D/A, 16-BIT SIGMA-DELTA
■ PROGRAMMABLE CODEC SAMPLE RATE FROM 4 TO 48 kHz
■ ON-BOARD PLL FOR CORE CLOCK AND CONVERTERS
■ MANAGEMENT OF EXTERNAL Flash/SRAM/DRAM MEMORY BANK
■ I2C OR SPI Serial Interface FOR EXTERNAL CONTROL
■ 80-PIN TQFP, 0.65 mm PITCH
■ AUTOMOTIVE GRADE (FROM -40° C to +85°C)

APPLICATIONS
   Real time digital Speech and audio processing:
      Speech recognition, Speech synthesis, Speech compression, echo cancelling, noise cancelling, speaker verification.

Part Name(s) : E-TDA7590 E-TDA7590TR TDA7590 ST-Microelectronics
STMicroelectronics
Description : Digital signal processing IC for Speech and audio applications View

Description
The TDA7590 is a high performances, fully programmable 24-bit, 120 MIPS. Digital Signal Processor (DSP), designed to support several Speech and audio applications, as Automatic Speech Recognition, Speech Synthesis, MP3 Decoding, Echo and Noise Cancellation.
Nevertheless, the embedded CODECs bandwidth and the generic processing engine allow to proceed also full-band audio signals. The large amount of on-chip memory (128 Kwords), together with the 16 Mwords external memory addressable and the 32 general purpose I/O pins permit to build a DSP-system avoiding the usage of an additional Microcontroller.
The presence of Serial and parallel Interfaces allows easy connection with external devices including CODECs, DSPs, MicroProcessors and Personal Computers.

Features
■ 24-bit, fixed point, 120 MIPS DSP core
■ Large on-board memory (128KW-24 bit)
■ Host access to internal RAM through expansion port
■ Access to external RAM (16Mw) through expansion port
■ Integrated stereo, 18-bit Sigma-DELTA A/D and 20-bit D/A converters
■ Programmable CODEC sample rate up to 48KHz
■ On-board PLL for core clock and converters
■ External Flash / SRAM memory bank management
■ I2C and SCI Serial Interface for external control
■ 2 ESSI Interface
■ JTAG Interface
■ Host Interface
■ 144-pin TQFP, 0.50mm pitch
■ Automotive temperature range (from -40°C to +85°C)

Applications
  Real time digital Speech and audio processing: Speech recognition, Speech synthesis, Speech compression, echo canceling, noise canceling, MP3 decoding.

 

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