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2184 Datasheet

  • 2184

  • DSP Microcomputer

  • 215.58KB

  • 31頁(yè)

  • AD

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a
FEATURES
PERFORMANCE
25 ns Instruction Cycle Time 40 MIPS Sustained
Performance
Single-Cycle Instruction Execution
Single-Cycle Context Switch
3-Bus Architecture Allows Dual Operand Fetches in
Every Instruction Cycle
Multifunction Instructions
Power-Down Mode Featuring Low CMOS Standby
Power Dissipation with 200 Cycle Recovery from
Power-Down Condition
Low Power Dissipation in Idle Mode
INTEGRATION
ADSP-2100 Family Code Compatible, with Instruction
Set Extensions
20K Bytes of On-Chip RAM, Configured as
4K Words On-Chip Program Memory RAM and
4K Words On-Chip Data Memory RAM
Dual Purpose Program Memory for Both Instruction
and Data Storage
Independent ALU, Multiplier/Accumulator and Barrel
Shifter Computational Units
Two Independent Data Address Generators
Powerful Program Sequencer Provides
Zero Overhead Looping Conditional Instruction
Execution
Programmable 16-Bit Interval Timer with Prescaler
100-Lead LQFP
SYSTEM INTERFACE
16-Bit Internal DMA Port for High Speed Access to
On-Chip Memory (Mode Selectable)
4 MByte Byte Memory Interface for Storage of Data
Tables and Program Overlays (Made Selectable)
8-Bit DMA to Byte Memory for Transparent Program
and Data Memory Transfers (Mode Selectable)
I/O Memory Interface with 2048 Locations Supports
Parallel Peripherals (Mode Selectable)
Programmable Memory Strobe and Separate I/O Memory
Space Permits 鈥淕lueless鈥?System Design
(Mode Selectable)
Programmable Wait State Generation
Two Double-Buffered Serial Ports with Companding
Hardware and Automatic Data Buffering
Automatic Booting of On-Chip Program Memory from
Byte-Wide External Memory, e.g., EPROM, or
Through Internal DMA Port
ICE-Port is a trademark of Analog Devices, Inc.
All trademarks are the property of their respective holders.
DATA ADDRESS
GENERATORS
DAG 1 DAG 2
PROGRAM
SEQUENCER
DSP Microcomputer
ADSP-2184
FUNCTIONAL BLOCK DIAGRAM
POWER-DOWN
CONTROL
MEMORY
4K 24
4K 16
PROGRAM
DATA
MEMORY
MEMORY
PROGRAMMABLE
I/O
AND
FLAGS
FULL MEMORY
MODE
EXTERNAL
ADDRESS
BUS
EXTERNAL
DATA
BUS
BYTE DMA
CONTROLLER
PROGRAM MEMORY ADDRESS
DATA MEMORY ADDRESS
PROGRAM MEMORY DATA
DATA MEMORY DATA
OR
EXTERNAL
DATA
BUS
ARITHMETIC UNITS
ALU
MAC SHIFTER
SERIAL PORTS
SPORT 0 SPORT 1
TIMER
INTERNAL
DMA
PORT
HOST MODE
ADSP-2100 BASE
ARCHITECTURE
Six External Interrupts
13 Programmable Flag Pins Provide Flexible System
Signaling
UART Emulation through Software SPORT Reconfiguration
ICE-Port鈩?Emulator Interface Supports Debugging
in Final Systems
GENERAL DESCRIPTION
The ADSP-2184 is a single-chip microcomputer optimized for
digital signal processing (DSP) and other high speed numeric
processing applications.
The ADSP-2184 combines the ADSP-2100 family base archi-
tecture (three computational units, data address generators and
a program sequencer) with two serial ports, a 16-bit internal
DMA port, a byte DMA port, a programmable timer, Flag I/O,
extensive interrupt capabilities and on-chip program and data
memory.
The ADSP-2184 integrates 20K bytes of on-chip memory con-
figured as 4K words (24-bit) of program RAM and 4K words
(16-bit) of data RAM. Power-down circuitry is also provided to
meet the low power needs of battery operated portable equip-
ment. The ADSP-2184 is available in 100-lead LQFP package.
In addition, the ADSP-2184 supports instructions that include
bit manipulations鈥攂it set, bit clear, bit toggle, bit test鈥?ALU
constants, multiplication instruction (x squared), biased round-
ing, result free ALU operations, I/O memory transfers, and
global interrupt masking for increased flexibility.
Fabricated in a high speed, double metal, low power, CMOS
process, the ADSP-2184 operates with a 25 ns instruction cycle
time. Every instruction can execute in a single processor cycle.
REV. 0
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
漏 Analog Devices, Inc., 1999

2184 產(chǎn)品屬性

  • Heyco

  • 電纜固定件和配件

  • Bushings

  • Nylon

  • Snap In

  • Black

  • 11.5 mm

  • 25.4 mm

  • 2500

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