Product Summary
The ADMC331BST is a single chip DSP motor controller. It can be used in Washing Machines, Refrigerator Compressors, Fans, Pumps, Industrial Variable Speed Drives. This device integrates a 26 MIPS, fixed-point DSP core with a complete set of motor control peripherals that permits fast, efficient development of motor controllers. The device also contains two auxiliary 8-bit PWM channels, a 16-bit watchdog timer and expanded capability through the serial ports and 24-bit digital I/O ports.
Parametrics
ADMC331BST absolute maximum ratings: (1)Supply Voltage (VDD):–0.3 V to +7.0 V; (2)Supply Voltage (AVDD):–0.3 V to +7.0 V; (3)Input Voltage:–0.3 V to VDD + 0.3 V; (4)Output Voltage Swing:–0.3 V to VDD + 0.3 V; (5)Operating Temperature Range (Ambient):–40°C to +85°C; (6)Storage Temperature Range:–65°C to +150°C; (7)Lead Temperature (5 sec): +280°C.
Features
ADMC331BST features: (1)26 MIPS Fixed-Point DSP Core; (2)Single Cycle Instruction Execution (38.5 ns); (3)ADSP-2100 Family Code Compatible; (4)Independent Computational Units ALU; (5)Multiplier / Accumulator; (6)Barrel Shifter; (7)Multifunction Instructions; (8)Single Cycle Context Switch; (9)Powerful Program Sequencer; (10)Edge Resolution to 38.5 ns; (11)198 Hz Minimum Switching Frequency; (12)Double/Single Duty Cycle Update Mode Control; (13)Programmable PWM Pulsewidth; (14)Suitable for AC Induction and Synchronous Motors; (15)Special Signal Generation for Switched Reluctance Motors; (16)Special Crossover Function for Brushless DC Motors; (17)Individual Enable and Disable for all PWM Outputs; (18)High Frequency Chopping Mode for Transformer; (19)Coupled Gate Drives; (20)Hardwired Polarity Control.
Diagrams
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