DATA SHEET MOS INTEGRATED CIRCUIT µPD77015,77017,77018 16 bits, Fixed-point Digital Signal Processor µPD77015, 77017, 77018 are 16 bits fixed-point DSPs (Digital Signal Processors) developed for digital signal processing with its demand for high speed and precision.
FEATURES • FUNCTIONS • Instruction cycle: 30 ns (MIN.
) Operation clock: 33 MHz External clock: 33, 16.
5, 8.
25, 4.
125 MHz Crystal: 33 MHz • On-chip PLL to provide higher operation clock than the external clock • Dual load/store • Hardware loop function • Conditional execution • Executes product-sum operation in one instruction cycle • PROGRAMMING • 16 bits × 16 bits + 40 bits → 40 bits multiply accumulator • 8 general regist...

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