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Analog Devices - 28-Lead ROM-Based DSP Motor Controller with Current Sense

Numéro de référence ADMC328TN
Description 28-Lead ROM-Based DSP Motor Controller with Current Sense
Fabricant Analog Devices 
Logo Analog Devices 





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ADMC328TN fiche technique
a 28-Lead ROM-Based
DSP Motor Controller with Current Sense
ADMC328
TARGET APPLICATIONS
Washing Machines, Refrigerator Compressors, Fans,
Pumps, Industrial Variable Speed Drives, Automotive
MOTOR TYPES
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
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
Five Analog Inputs Plus One Dedicated ISENSE Input
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
2.5V
5
ANALOG
INPUTS
ISENSE
AMP
& TRIP
16-BIT
3-PHASE
PWM
SERIAL PORT
SPORT1
9-BIT
PIO
2 ؋ 8-BIT
AUX
PWM
WATCH-
DOG
TIMER
REV. B
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

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