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Analog Devices - Single Chip DSP Motor Controller

Numéro de référence ADMC331
Description Single Chip DSP Motor Controller
Fabricant Analog Devices 
Logo Analog Devices 





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ADMC331 fiche technique
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TARGET APPLICATIONS
Washing Machines, Refrigerator Compressors, Fans,
Pumps, Industrial Variable Speed Drives
FEATURES
26 MIPS Fixed-Point DSP Core
Single Cycle Instruction Execution (38.5 ns)
ADSP-2100 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 Generator
Memory Configuration
2K ؋ 24-Bit Program Memory RAM
2K ؋ 24-Bit Program Memory ROM
1K ؋ 16-Bit Data Memory RAM
Three-Phase 16-Bit PWM Generator
16-Bit Center-Based PWM Generator
Programmable Deadtime and Narrow Pulse Deletion
Single Chip DSP
Motor Controller
ADMC331
Edge Resolution to 38.5 ns
198 Hz Minimum Switching Frequency
Double/Single Duty Cycle Update Mode Control
Programmable PWM Pulsewidth
Suitable for AC Induction and Synchronous Motors
Special Signal Generation for Switched Reluctance
Motors
Special Crossover Function for Brushless DC Motors
Individual Enable and Disable for all PWM Outputs
High Frequency Chopping Mode for Transformer
Coupled Gate Drives
Hardwired Polarity Control
External PWMTRIP Pin
Seven Analog Input Channels
Acquisition Synchronized to PWM Switching
Frequency
Conversion Speed Control
24 Bits of Digital I/O Port
Bit Configurable as Input or Output
Change of State Interrupt Support
Two 8-Bit Auxiliary PWM Timers
Synchronized Analog Output
Programmable Frequency
0% to 100% Duty Cycle
FUNCTIONAL BLOCK DIAGRAM
(Continued on page 7)
ADSP-2100 BASE
ARCHITECTURE
DATA
ADDRESS
GENERATORS
DAG 1 DAG 2
PROGRAM
SEQUENCER
PROGRAM
ROM
2K ؋ 24
PROGRAM
RAM
2K ؋ 24
MEMORY
DATA
RAM
1K ؋ 16
WATCH-
DOG
TIMER
24-BIT
PIO
PROGRAM MEMORY ADDRESS
DATA MEMORY ADDRESS
PROGRAM MEMORY DATA
DATA MEMORY DATA
ARITHMETIC UNITS
ALU MAC SHIFTER
SERIAL PORTS
SPORT 0 SPORT 1
TIMER
2 ؋ 8 BIT
AUX
PWM
7
ANALOG
INPUTS
16-BIT
3-PHASE
PWM
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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