UPD77016 Datasheet, PDF (1/56 Pages) NEC – 16 bits, Fixed-point Digital Signal Processor

DATA SHEET
MOS INTEGRATED CIRCUIT
µPD77016
16 bits, Fixed-point Digital Signal Processor
µPD77016 is a 16 bits fixed-point DSP (Digital Signal Processor) developed for digital signal processing with its
demand for high speed and precision.
FEATURES
• FUNCTIONS
• Instruction cycle: 30 ns (MIN.) with 33 MHz 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)
• 8 ROM/RAM data pointer: each data memory area has 4 registers
• 10 source interrupts (external: 4, internal: 6)
• 3 operand instructions (example: R0 = R0 +R1L∗R2L)
• Nonpipeline on execution stage
• MEMORY AREAS
• Program memory area: 64K words × 32 bits
• Two independent data memory areas: 64K words × 16 bits (X/Y memory)
• ON-CHIP PERIPHERAL
• I/O port: 4 bits
• Serial I/O (16 bits): 2 channels
• CMOS
• +5 V single power supply
ORDERING INFORMATION
Part Number
Package
µPD77016GM-KMD 160-pin plastic QFP (FINE PITCH) (24 × 24 mm)
The information in this document is subject to change without notice.
Document No. U10891EJ5V0DS00 (5th edition)
The mark shows major revised points.
Date Published April 1998 N CP(K)
Printed in Japan
©
1992, 1994, 1995