ADMC331

a 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 Single Chip DSP Motor Controller ADMC331 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% Dut...