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ADSP2104 - Low Cost DSP Microcomputers

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General Description

Low Cost DSP Microcomputers ADSP-2104/ADSP-2109 FUNCTIONAL BLOCK DIAGRAM DATA ADDRESS GENERATORS DAG 1 DAG 2 MEMORY PROGRAM SEQUENCER PROGRAM MEMORY DATA MEMORY EXTERNAL ADDRESS BUS PROGRAM MEMORY ADDRESS DATA MEMORY ADDRESS PROGRAM MEMORY DATA DATA MEMORY DATA EXTERNAL DATA BUS ARITHMETIC UNITS ALU MAC SHIFTER SERIAL PORTS SPORT 0 SPORT 1 TIMER ADSP-2100 CORE The ADSP-2100 Family’s flexible architecture and comprehensive instruction set support a high degree of parallelism.

In one cycle the ADSP-2104/ADSP-2109 can perform all of the following operations: The ADSP-2104 and ADSP-2109 processors are single-chip microcomputers optimized for digital signal processing (DSP) and other high speed numeric processing applications.

The ADSP-2104/ADSP-2109 processors are built upon a common core.

Overview

a SUMMARY 16-Bit Fixed-Point DSP Microprocessors with On-Chip Memory Enhanced Harvard Architecture for Three-Bus Performance: Instruction Bus & Dual Data Buses Independent Computation Units: ALU, Multiplier/.

Key Features

  • 20 MIPS, 50 ns Maximum Instruction Rate Separate On-Chip Buses for Program and Data Memory Program Memory Stores Both Instructions and Data (Three-Bus Performance) Dual Data Address Generators with Modulo and Bit-Reverse Addressing Efficient Program Sequencing with Zero-Overhead Looping: Single-Cycle Loop Setup Automatic Booting of On-Chip Program Memory from Byte-Wide External Memory (e. g. , EPROM ) Double-Buffered Serial Ports with Companding Hardware, Automatic Data Buffering, and Multichannel.

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