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What is UPD77015?

This electronic component, produced by the manufacturer "NEC", performs the same function as "16 bits/ Fixed-point Digital Signal Processor".


UPD77015 Datasheet PDF - NEC

Part Number UPD77015
Description 16 bits/ Fixed-point Digital Signal Processor
Manufacturers NEC 
Logo NEC Logo 


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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 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 +R1LR2L)
• Nonpipeline on execution stage
MEMORY AREAS
• Instruction memory area : 64K words × 32 bits
• Data memory areas : 64K words × 16 bits × 2 (X memory, Y memory)
CLOCK GENERATOR
• Mask option for CLKOUT pin:
Fixed to the low level.
Does not output the internal system clock.
• Selectable source clock: external clock input and crystal resonator
[External clock]
On-chip PLL to provide higher operation clock (33 MHz MAX.) than the external clock.
Variable multiple rates (1, 2, 4, 8) by mask option.
[Crystal resonator]
Oscillation frequency corresponds directly to the system clock frequency (Sure to specify the mask option
frequency multiple as "1").
In this document, all descriptions of the µPD77017 also apply to the µPD77015 and µPD77018, unless
otherwise specified.
The information in this document is subject to change without notice.
Document No. U10902EJ3V0DS00 (3rd edition)
Date Published June 1997 N
Printed in Japan
The mark shows major revised points.
©
1993, 1994

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UPD77015 equivalent
Functional Differences among the µPD7701× Family
Item
Internal instruction RAM
Internal instruction ROM
External instruction memory
Data RAM (X/Y memory)
Data ROM (X/Y memory)
External data memory
Instruction cycle
(Maximum operation speed)
External clock
(at maximum operation speed)
µPD77016
1.5K words
None
48K words
2K words each
None
48K words each
66 MHz
µPD77015
4K words
1K words each
2K words each
µPD77017
µPD77018
256 words
12K words
None
2K words each
4K words each
16K words each
µPD77018A
24K words
3K words each
12K words each
µPD77019
4K words
30 ns (33 MHz)
19 ns (52 MHz)
33/16.5/8.25/4.125 MHz
Variable multiple rate (1, 2, 4, 8 ) by mask option.
52/ 26/ 17.333/ 13/6.5 MHz
Variable multiple rate (1, 2, 3, 4, 8 ) by
mask option.
Crystal
(at maximum operation speed)
Instruction
Serial interface (2 Channels)
Channel 1 has the
same functions
as channel 2.
Power supply
5V
Package
160-pin plastic QFP
33 MHz
52 MHz
STOP instruction is added.
Channel 1 has the same functions as that of the µPD77016.
Channel 2 has no SORQ2 or SIAK2 pin (Channel 2 is used for CODEC connection).
3V
100-pin plastic TQFP


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD77015 electronic component.


Information Total 30 Pages
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UPD77015The function is 16 bits/ Fixed-point Digital Signal Processor. NECNEC
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