ADMC300

a TARGET APPLICATIONS Industrial Drives, Servo Drives, Variable Speed Drives, Electric Vehicles FEATURES 25 MIPS Fixed-Point DSP Core Single Cycle Instruction Execution (40 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 Generators Memory Configuration 4K ؋ 24-Bit Program Memory RAM 2K ؋ 24-Bit Program Memory ROM 1K ؋ 16-Bit Data Memory RAM High-Resolution Multichannel ADC System Five Independent 16-Bit Sigma-Delta ADCs 76 dB SNR Typical (ENOB > 12 Bits) Arranged in Two Independently Clocked Banks Differential or Single-Ended Inputs Programmable Sample Frequency to 32.5 kHz High Performance DSP-Based Motor Controller ADMC300 Flexible Synchronization of ADC and PWM Subsystems Independent Offset Calibration for Each Channel Two Dedicated ADC Interrupts Internal 2.5 V Reference Three Multiplexer Control Pins for External Expansion Hardware or Software Convert Start Individual Power-Down for Each Bank Three-Phase PWM Generation Subsystem 16-Bit Dedicated PWM Generator Edge Resolution to 40 ns Programmable Dead Time Programmable Minimum Pulsewidth Double Update Mode Allows Duty Cycle Adjustment on Half Cycle Boundaries Special Features for Brushless DC Motors Hardwired Polarity Control External Dedicated Asynchronous Shutdown Pin ( PWMTRIP) Additional Sh...