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ADMC401-PB Arkusz danych(PDF) 1 Page - Analog Devices |
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ADMC401-PB Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 60 page 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 ADMC401 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 REV. B Single-Chip, DSP-Based High Performance Motor Controller FUNCTIONAL BLOCK DIAGRAM ARITHMETIC UNITS SHIFTER MAC ALU MEMORY SPORT 1 INTERVAL TIMER DM RAM 1K 16 PM ROM 2K 24 PM RAM 2K 24 INTERRUPT CONTROLLER ENCODER INTERFACE 8 CHANNEL 12-BIT ADC 26 MIPS DSP CORE 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 WATCH- DOG TIMER EVENT CAPTURE UNIT DIGITAL I/O UNIT EXTERNAL ADDRESS BUS EXTERNAL DATA BUS PRECISION VOLTAGE REFERENCE 16-BIT PWM GENERATION POWER- ON RESET MOTOR CONTROL PERIPHERALS 2 CHANNEL AUXILIARY PWM FEATURES 26 MIPS Fixed-Point DSP Core Single Cycle Instruction Execution (38.5 ns) ADSP-21xx Family Code Compatible 16-Bit Arithmetic and Logic Unit (ALU) Single Cycle 16-Bit 16-Bit Multiply and Accumulate Into 40-Bit Accumulator (MAC) 32-Bit Shifter (Logical and Arithmetic) Multifunction Instructions Single Cycle Context Switch Zero Overhead Looping Conditional Instruction Execution Two Independent Data Address Generators Memory Configuration 2K 24-Bit Internal Program Memory RAM 2K 24-Bit Internal Program Memory ROM 1K 16-Bit Internal Data Memory RAM 14-Bit Address Bus and 24-Bit Data Bus for External Memory Expansion High Resolution Multichannel ADC 12-Bit Pipeline Flash Analog-to-Digital Converter Eight Dedicated Analog Inputs Simultaneous Sampling Capability All Eight Inputs Converted in <2 s 4.0 V p-p Input Voltage Range PWM Synchronized or External Convert Start Internal or External Voltage Reference Out-of-Range Detection Voltage Reference Internal 2.0 V 2.0% Voltage Reference Three-Phase 16-Bit PWM Generation Unit Programmable Switching Frequency, Dead Time and Minimum Pulsewidth Edge Resolution of 38.5 ns One or Two Updates per Switching Period Hardware Polarity Control Individual Enable/Disable of Each Output High Frequency Chopping Mode Dedicated Shutdown Pin ( PWMTRIP) Additional Shutdown Pins in I/O System High Output Sink and Source Capability (10 mA) Incremental Encoder Interface Unit Quadrature Rates to 17.3 MHz Programmable Filtering of Encoder Inputs Alternative Frequency and Direction Mode Two Registration Inputs to Latch Count Value Optional Hardware Reset of Counter Single North Marker Mode Count Error Monitor Function Dedicated 16-Bit Loop Timer (Periodic Interrupts) Companion Encoder Event (1/T) Timer (Continued on Page 14) |
Podobny numer części - ADMC401-PB |
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Podobny opis - ADMC401-PB |
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