ADMC326 データシートの表示（PDF） - Analog Devices

部品番号

コンポーネント説明

メーカー

ADMC326

28-Lead ROM-Based DSP Motor Controller

Analog Devices 

a

TARGET APPLICATIONS

Washing Machines, Refrigerator Compressors, Fans,

Pumps, Industrial Variable Speed Drives, Automotive

MOTOR TYPES

AC Induction Motors

Permanent Magnet Synchronous Motors (PMSM)

Brushless DC Motors (BDCM)

FEATURES

20 MIPS Fixed-Point DSP Core

Single Cycle Instruction Execution (50 ns)

ADSP-21xx Family Code Compatible

Independent Computational Units

ALU

Multiplier/Accumulator

Barrel Shifter

Multifunction Instructions

Single Cycle Context Switch

Powerful Program Sequencer

Zero Overhead Looping

Conditional Instruction Execution

Two Independent Data Address Generators

Memory Configuration

512 ؋ 24-Bit Program Memory RAM

4K ؋ 24-Bit Program Memory ROM

512 ؋ 16-Bit Data Memory RAM

Three-Phase 16-Bit PWM Generator

16-Bit Center-Based PWM Generator

Programmable Dead Time and Narrow Pulse Deletion

28-Lead ROM-Based

DSP Motor Controller

ADMC326

Edge Resolution to 50 ns

150 Hz Minimum Switching Frequency

Double/Single Duty Cycle Update Mode Control

Programmable PWM Pulsewidth

Special Crossover Function for Brushless DC Motors

Individual Enable and Disable for Each PWM Output

High Frequency Chopping Mode for Transformer

Coupled Gate Drives

External PWMTRIP Pin

Integrated ADC Subsystem

Six Analog Inputs

Acquisition Synchronized to PWM Switching Frequency

Internal Voltage Reference

9-Pin Digital I/O Port

Bit Configurable as Input or Output

Change of State Interrupt Support

Two 8-Bit Auxiliary PWM Timers

Synthesized Analog Output

Programmable Frequency

0% to 100% Duty Cycle

Two Programmable Operational Modes

Independent Mode/Offset Mode

16-Bit Watchdog Timer

Programmable 16-Bit Internal Timer with Prescaler

Double Buffered Synchronous Serial Port

Hardware Support for UART Emulation

Integrated Power-On Reset Function

28-Lead SOIC or PDIP Package Options

FUNCTIONAL BLOCK DIAGRAM

ADSP-2100 BASE

ARCHITECTURE

DATA

ADDRESS

GENERATORS

DAG 1 DAG 2

PROGRAM

SEQUENCER

PROGRAM

ROM

4K ؋ 24

PROGRAM

RAM

512 ؋ 24

MEMORY

BLOCK

DATA

MEMORY

512 ؋ 16

PROGRAM MEMORY ADDRESS

DATA MEMORY ADDRESS

PROGRAM MEMORY DATA

DATA MEMORY DATA

ARITHMETIC UNITS

ALU MAC SHIFTER

POR

TIMER

VREF

6

ANALOG

INPUTS

16-BIT

3-PHASE

PWM

SERIAL PORT

SPORT1

9-BIT

PIO

2 ؋ 8-BIT

AUX

PWM

WATCH-

DOG

TIMER

REV. A

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700 World Wide Web Site: http://www.analog.com

Fax: 781/326-8703

© Analog Devices, Inc., 2000

Share Link: