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MSP50C604 Datasheet MIXED-SIGNAL PROCESSORS

Manufacturer: Texas Instruments

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General Description

The MSP50C604 is a low-cost, mixed-signal processor that combines a speech synthesizer with a dedicated slave interface logic, general-purpose I/O, onboard ROM, and direct speaker-drive in a single package.

The computational unit uses a powerful new DSP that gives the MSP50C604 unprecedented speed and computational flexibility compared with previous devices of its type.

The MSP50C604 supports a variety of speech and audio coding algorithms, providing a range of options with respect to speech duration and sound quality.

Overview

MSP50C604 MIXED-SIGNAL PROCESSOR D Advanced, Integrated Speech Synthesizer for High-Quality Sound D Operates up to 12.32 MHz (Performs up to 12 MIPS) D Slave Mode Enables Hours of Speech Using an External Processor and Memory D Master Mode Allows 6.8 Mins of Speech Onboard D Supports High-Quality Synthesis Algorithms such as MELP, CELP, LPC, ADPCM, and Polyphonic Music D Simultaneous Speech Plus Music Capabilities D Very Low-Power Operation, Ideal for Hand-Held Devices D Low-Voltage Operation, Sustainable by Three (3) Batteries D Reduced Power Standby Modes, Less Than 10 µA in Deep-Sleep Mode SPSS028B – MAY 2000 – REVISED FEBRUARY 2001 D 16 General-Purpose I/O Pins (in Master Mode) or 4 General-Purpose I/O Pins (in Slave Mode) D Resistor-Trimmed Oscillator or 32.

Key Features

  • make the input port especially useful as a key-scan interface. Slave mode consists of four general-purpose I/O, four control pins, and eight bidirectional data pins. A simple one-bit comparator is also included in the periphery. The comparator is enabled by a control register, and its access is shared with two pins in one general-purpose I/O port. Rounding out the MSP50C604 periphery is a built-in pulse-density-modulated DAC (digital-to-analog converter) with direct speaker-drive.

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