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MSP50C601 Datasheet MIXED-SIGNAL PROCESSORS

Manufacturer: Texas Instruments

General Description

The MSP50C601 is a low-cost, mixed-signal processor that combines a speech synthesizer, general-purpose I/O, onboard ROM, and direct speaker drive in a single package.

The computational unit utilizes a powerful new DSP which gives the MSP50C601 unprecedented speed and computational flexibility compared with previous devices of its type.

The MSP50C601 supports a variety of speech and audio coding algorithms, providing a range of options for speech duration and sound quality.

Overview

MSP50C601 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 Single Chip Solution for up to 24 Minutes of Speech (Using 1.57 Mb of Onboard Program + Data ROM) 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 Batteries D Reduced Power Stand-By Modes, Less Than 10 µA in Deep-Sleep Mode SPSS029A – SEPTEMBER 2000 – REVISED FEBRUARY 2001 D 640-Word RAM D 32 I/O Pins Consisting of – 24 General Purpose Bit Configurable I/O – 8 Inputs With Programmable Pullup Resistor And a Dedicated Interrupt (Key-Scan) D Direct Speaker Driver, 32 Ω (PDM) D One-Bit Comparator With Edge-Detection Interrupt Service D Resistor-Trimmed Oscillator or 32.768 kHz Crystal Reference Oscillator D Serial Scan Port for In-Circuit Emulation and Diagnostics D The MSP50C601 Is Sold in Die Form or 100-Pin PJM Package.

Key Features

  • make the input port especially useful as a key-scan interface. A simple one-bit comparator is also included in the periphery. The comparator is enabled by a control register, and its pin access is shared with two pins in one of the general-purpose I/O ports. Rounding out the MSP50C601 periphery is a built-in pulse-density-modulated DAC (digital-to-analog converter) with direct speaker-drive capability. The functional.