UPD77015 Description
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.
UPD77015 Key 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 registers (40 bits each)