ADMCF328

a 28-Lead Flash Memory DSP Motor Controller with Current Sense ADMCF328 3-Phase 16-Bit PWM Generator 16-Bit Center-Based PWM Generator Programmable Dead Time and Narrow Pulse Deletion Edge Resolution to 50 ns 150 Hz Minimum Switching Frequency Double/Single Duty Cycle Update Mode Control Programmable PWM Pulsewidth Special Crossover Function for Brushless DC Motors Individual Enable and Disable for Each PWM Output High Frequency Chopping Mode for Transformer Coupled Gate Drives External PWMTRIP Pin Integrated ADC Subsystem Five Analog Inputs Plus One Dedicated I SENSE Input Acquisition Synchronized to PWM Switching Frequency Internal Voltage Reference 9-Pin Digital I/O Port Bit Configurable as Input or Output Change of State Interrupt Support Two 8-Bit Auxiliary PWM Timers Synthesized Analog Output Programmable Frequency 0% to 100% Duty Cycle Two Programmable Operational Modes Independent Mode/Offset Mode 16-Bit Watchdog Timer Programmable 16-Bit Internal Timer with Prescaler Double Buffered Synchronous Serial Port Hardware Support for UART Emulation Integrated Power-On Reset Function Options 28-Lead SOIC and PDIP Packages Available TARGET APPLICATIONS Washing Machines, Refrigerator Compressors, Fans, Pumps, Industrial Variable Speed Drives MOTOR TYPES Permanent Magnet Synchronous Motors (PMSM) Brushless DC Motors (BDCM) FEATURES 20 MIPS Fixed-Point DSP Core Single Cycle Instruction Execution (50 ns) ADSP-21xx Family Code Compatible Independent Computational Units ALU Multip...