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ADMC330 Datasheet(PDF) 1 Page - Analog Devices |
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ADMC330 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page REV. 0 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 ADMC330 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., 1997 Single Chip DSP Motor Controller FUNCTIONAL BLOCK DIAGRAM ARITHMETIC UNITS SHIFTER MAC ALU MEMORY SPORT 0 SPORT 1 PROGRAM MEMORY ADDRESS TIMER DATA MEMORY 1K 16 PROGRAM ROM 2K 24 PROGRAM RAM 2K 24 WATCH- DOG TIMER 8-BIT PIO 12-BIT 3-PHASE PWM ANALOG INPUTS 2 8-BIT AUX PWM PROGRAM MEMORY DATA DATA MEMORY ADDRESS DATA MEMORY DATA ADSP-2100 BASE ARCHITECTURE SERIAL PORTS PROGRAM SEQUENCER DATA ADDRESS GENERATORS DAG 1 DAG 2 FEATURES Seven Analog Input Channels Acquisition Synchronized to PWM Switching Frequency Three-Phase 12-Bit PWM Generator Programmable Deadtime and Narrow Pulse Deletion 2.5 kHz Minimum Switching Frequency ECM Control Mode Output Control for Space Vector Modulation Gate Drive Block (Pulsed PWM Output Capability) Hardwired Output Polarity Control External Trip Input Two 8-Bit Auxiliary PWM Timers Synthesized Analog Output 39 kHz Frequency 0 to 99.6% Duty Cycle Eight Bits of Digital I/O Port Bit Configurable as Input or Output Change of State Interrupt Support 20 MIPS Fixed Point DSP Core Powerful Program Sequencer Zero Overhead Looping Conditional Instruction Execution Independent Computational Units ALU Multiplier/Accumulator Barrel Shifter Multifunction Instructions Single-Cycle Instruction Execution (50 ns) Single-Cycle Context Switch ADSP-2100 Family Code and Function Compatible with Instruction Set Enhancements 16-Bit Watchdog Timer Programmable 16-Bit Interval Timer with Prescaler Two Synchronous Serial Ports Full Debugger Interface 2 Bootstrap Protocols via Sport 1, Serial and UART Memory Configuration 2K 24-Bit Word Program RAM 1K 16-Bit Word Data RAM 2K 24-Bit Word Program ROM GENERAL DESCRIPTION The ADMC330 is a low cost single chip DSP microcontroller optimized for stand alone ac motor control applications. The device is based on a 20 MHz fixed-point DSP core (ADSP- 2171) and a set of motor control peripherals including seven analog input channels and a 12-bit three-phase PWM generator. The device has two auxiliary 8-bit PWM channels and adds expansion capability through the serial ports and an 8-bit digital I/O port. The ADMC330 has internal 2K words program RAM, and 1K words data RAM, which can be loaded from an external device via the serial port. There are also 2K words of internal program ROM, which includes a monitor that adds software debugging features through the serial port. The ADMC330 core combines the ADSP-2100 base architec- ture (three computational units, data address generators and a program sequencer) with two serial ports, a programmable timer, extensive interrupt capabilities and on-chip program and data memory. In addition, the ADMC330 supports new instructions, which include bit manipulations—bit set, bit clear, bit toggle, bit test— new ALU constants, new multiplication instruction (x squared), biased rounding and global interrupt masking, for increased flexibility. |
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