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Analog Devices - ADSP-2100 Family DSP Microcomputers

Numéro de référence ADSP-2115BS-80
Description ADSP-2100 Family DSP Microcomputers
Fabricant Analog Devices 
Logo Analog Devices 





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ADSP-2115BS-80 fiche technique
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ADSP-2100 Family
DSP Microcomputers
ADSP-21xx
SUMMARY
16-Bit Fixed-Point DSP Microprocessors with
On-Chip Memory
Enhanced Harvard Architecture for Three-Bus
Performance: Instruction Bus & Dual Data Buses
Independent Computation Units: ALU, Multiplier/
Accumulator, and Shifter
Single-Cycle Instruction Execution & Multifunction
Instructions
On-Chip Program Memory RAM or ROM
& Data Memory RAM
Integrated I/O Peripherals: Serial Ports, Timer,
Host Interface Port (ADSP-2111 Only)
FEATURES
25 MIPS, 40 ns Maximum Instruction Rate
Separate On-Chip Buses for Program and Data Memory
Program Memory Stores Both Instructions and Data
(Three-Bus Performance)
Dual Data Address Generators with Modulo and
Bit-Reverse Addressing
Efficient Program Sequencing with Zero-Overhead
Looping: Single-Cycle Loop Setup
Automatic Booting of On-Chip Program Memory from
Byte-Wide External Memory (e.g., EPROM )
Double-Buffered Serial Ports with Companding Hardware,
Automatic Data Buffering, and Multichannel Operation
ADSP-2111 Host Interface Port Provides Easy Interface
to 68000, 80C51, ADSP-21xx, Etc.
Automatic Booting of ADSP-2111 Program Memory
Through Host Interface Port
Three Edge- or Level-Sensitive Interrupts
Low Power IDLE Instruction
PGA, PLCC, PQFP, and TQFP Packages
MIL-STD-883B Versions Available
GENERAL DESCRIPTION
The ADSP-2100 Family processors are single-chip micro-
computers optimized for digital signal processing (DSP)
and other high speed numeric processing applications. The
ADSP-21xx processors are all built upon a common core. Each
processor combines the core DSP architecture—computation
units, data address generators, and program sequencer—with
differentiating features such as on-chip program and data
memory RAM, a programmable timer, one or two serial ports,
and, on the ADSP-2111, a host interface port.
REV. B
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
FUNCTIONAL BLOCK DIAGRAM
DATA ADDRESS
GENERATORS
DAG 1 DAG 2
PROGRAM
SEQUENCER
MEMORY
PROGRAM
MEMORY
DATA
MEMORY
PROGRAM MEMORY ADDRESS
FLAGS
(ADSP-2111)
EXTERNAL
ADDRESS
BUS
DATA MEMORY ADDRESS
PROGRAM MEMORY DATA
DATA MEMORY DATA
ARITHMETIC UNITS
ALU MAC SHIFTER
ADSP-2100 CORE
SERIAL PORTS
SPORT 0 SPORT 1
TIMER
EXTERNAL
DATA
HOST
BUS
INTERFACE
PORT
(ADSP-2111)
This data sheet describes the following ADSP-2100 Family
processors:
ADSP-2101
ADSP-2103
ADSP-2105
ADSP-2111
ADSP-2115
ADSP-2161/62/63/64
3.3 V Version of ADSP-2101
Low Cost DSP
DSP with Host Interface Port
Custom ROM-programmed DSPs
The following ADSP-2100 Family processors are not included
in this data sheet:
ADSP-2100A
DSP Microprocessor
ADSP-2165/66
ROM-programmed ADSP-216x processors
with powerdown and larger on-chip
memories (12K Program Memory ROM,
1K Program Memory RAM, 4K Data
Memory RAM)
ADSP-21msp5x
Mixed-Signal DSP Processors with
integrated on-chip A/D and D/A plus
powerdown
ADSP-2171
Speed and feature enhanced ADSP-2100
Family processor with host interface port,
powerdown, and instruction set extensions
for bit manipulation, multiplication, biased
rounding, and global interrupt masking
ADSP-2181
ADSP-21xx processor with ADSP-2171
features plus 80K bytes of on-chip RAM
configured as 16K words of program
memory and 16K words of data memory.
Refer to the individual data sheet of each of these processors for
further information.
© Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703

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