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ADMCF341 Folha de dados(PDF) 1 Page - Analog Devices |
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ADMCF341 Folha de dados(HTML) 1 Page - Analog Devices |
1 / 36 page REV. 0 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 that 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 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2002 ADMCF341 DashDSP™ 28-Lead Flash Mixed-Signal DSP with Enhanced Analog Front End FUNCTIONAL BLOCK DIAGRAM MEMORY BLOCK PROGRAM ROM 4K x 24 PROGRAM FLASH 4K x 24 PROGRAM RAM 512 x 24 DATA MEMORY 512 x 16 VREF ANALOG INPUTS 16-BIT THREE- PHASE PWM POR TIMER SERIAL PORT SPORT 0 PIO 2 x 16-BIT AUX PWM WATCH- DOG TIMER ADSP-21xx BASE ARCHITECTURE DATA ADDRESS GENERATORS DAG 1 DAG 2 PROGRAM SEQUENCER ARITHMETIC UNITS SHIFTER MAC ALU PROGRAM MEMORY ADDRESS DATA MEMORY ADDRESS PROGRAM MEMORY DATA DATA MEMORY DATA 2.5V SPORT 1 MOTOR CONTROL PERIPHERALS ADC SUBSYSTEM ISENSE AMP AND TRIP SHA 3 TIMERS MULTIPLEXED ON EXTERNAL PINS 3 6 9 7 2 DashDSP is a trademark of Analog Devices, Inc. FEATURES 20 MHz Fixed-Point DSP Core Single-Cycle Instruction Execution (50 ns) ADSP-21xx Family Code Compatibility 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 16-Bit Data Memory RAM 512 24-Bit Program Memory RAM 4K 24-Bit Program Memory ROM 4K 24-Bit Program Flash Memory Three Independent Flash Memory Sectors 3584 24-Bit, 256 24-Bit, 256 24-Bit Low-Cost Pin-Compatible ROM Option 16-Bit Watchdog Timer Programmable 16-Bit Internal Timer with Prescaler Two Double Buffered Serial Ports with SPI Mode Support Integrated Power-On Reset Function Three-Phase 16-Bit PWM Generation Unit: 16-Bit Center-Based PWM Generator Programmable PWM Pulsewidth Edge Resolution to 50 ns 153 Hz Minimum Switching Frequency Double/Single Duty Cycle Update Mode Control Individual Enable and Disable for Each PWM Output High-Frequency Chopping Mode for Transformer Coupled Gate Drives External PWMTRIP Pin Integrated 6-Channel ADC Subsystem Three Bipolar ISENSE Inputs with Programmable Sample-and-Hold Amplifier and Overcurrent Pro- tection (Usable as Three Dedicated Analog Inputs) Muxed Auxiliary Analog Inputs Internal Voltage Reference (2.5 V) Acquisition Synchronized to PWM Switching Frequency 9-Pin Digital I/O Port Bit Configurable as Input or Output Change of State Interrupt Support Two 16-Bit Auxiliary PWM Timers Synthesized Analog Output Programmable Frequency 0% to 100% Duty Cycle Two Programmable Operational Modes Independent Mode/Offset Mode Motor Types Permanent Magnet Synchronous Motors (PMSM) Brushless DC Motors (BDCM) AC Induction Motors (ACIM) APPLICATIONS Refrigerator and Air Conditioner Compressor Washing Machines Industrial Variable Speed Drives HVAC |
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Descrição semelhante - ADMCF341 |
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