پاورپوینت Architectural Analysis of a DSP Device, the Instruction Set and the Addressing Modes

فرمت فایل : پاورپوینت قابل ویرایش      تعداد اسلاید: 50   قسمتی از پاورپوینت :     •FIR filter on ADPS-21x   DSP Requirements •Fast Multiply-Accumulates (Data-path) • Extended Precision Accumulator Register (Data-path) • Dual Operand Fetch (Memory) • Circular Buffering (Addressing) • Zero-Overhead Looping (Instruction set)   Analog Devices Architectures and Programming •SHARC •Blackfin •Performance Optimization         •FIR filter steps Obtain a sample with the ADC; generate an interrupt Detect and manage the interrupt Move the sample into the input signal's circular buffer Update the pointer for the input signal's circular buffer Zero the accumulator Control the loop through each of the coefficients Fetch the coefficient from the coefficient's circular buffer Update the pointer for the coefficient's circular buffer Fetch the sample from the ...