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