Single-Chip, DSP-Based High Performance Motor Controller

FEATURES

26 MIPS Fixed-Point DSP Core

  Single Cycle Instruction Execution (38.5 ns)

  ADSP-21xx Family Code Compatible

  16-Bit Arithmetic and Logic Unit (ALU)

  Single Cycle 16-Bit
16-Bit Multiply and Accumulate

    Into 40-Bit Accumulator (MAC)

  32-Bit Shifter (Logical and Arithmetic)

  Multifunction Instructions

  Single Cycle Context Switch

  Zero Overhead Looping

  Conditional Instruction Execution

  Two Independent Data Address Generators

Memory Configuration

  2K ×
24-Bit Internal Program Memory RAM

  2K
× 24-Bit Internal Program Memory ROM

  1K
× 16-Bit Internal Data Memory RAM

  14-Bit Address Bus and 24-Bit Data Bus for External

    Memory Expansion

High Resolution Multichannel ADC

  12-Bit Pipeline Flash Analog-to-Digital Converter

  Eight Dedicated Analog Inputs

  Simultaneous Sampling Capability

  All Eight Inputs Converted in <2 s

  4.0 V p-p Input Voltage Range

  PWM Synchronized or External Convert Start