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ADMC331 Datasheet(PDF) 1 Page - Analog Devices |
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ADMC331 Datasheet(HTML) 1 Page - Analog Devices |
1 / 36 page 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. a ADMC331 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 Single Chip DSP Motor Controller FUNCTIONAL BLOCK DIAGRAM ARITHMETIC UNITS SHIFTER MAC ALU MEMORY SPORT 1 TIMER DATA RAM 1K 16 PROGRAM ROM 2K 24 PROGRAM RAM 2K 24 WATCH- DOG TIMER 24-BIT PIO 16-BIT 3-PHASE PWM 7 ANALOG INPUTS 2 8 BIT AUX PWM ADSP-2100 BASE ARCHITECTURE SERIAL PORTS PROGRAM SEQUENCER DATA ADDRESS GENERATORS DAG 1 DAG 2 PROGRAM MEMORY ADDRESS DATA MEMORY ADDRESS PROGRAM MEMORY DATA DATA MEMORY DATA SPORT 0 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 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 (Continued on page 7) |
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