Datasheet > ADSP-2185LKST-210

ADSP-2185LKST-210

更新时间： 2024-11-23 22:31:15

品牌	Logo	应用领域
亚德诺 - ADI		电脑
页数	文件大小	规格书
31页	224K
描述
DSP Microcomputer

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数据手册
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ADSP-2185LKST-210 数据手册

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DSP Microcomputer

ADSP-2185L

FEATURES

FUNCTIONAL BLOCK DIAGRAM

PERFORMANCE

19 ns Instruction Cycle Time @ 3.3 Volts, 52 MIPS

Sustained Performance

Single-Cycle Instruction Execution

Single-Cycle Context Switch

POWER-DOWN

CONTROL

FULL MEMORY

MODE

MEMORY

DATA ADDRESS

GENERATORS

PROGRAMMABLE

EXTERNAL

ADDRESS

BUS

PROGRAM

SEQUENCER

16K

24 PM

24 OVERLAY 1

16K

16 DM

I/O

AND

FLAGS

16 OVERLAY 1

16 OVERLAY 2

(

)

(

24 OVERLAY 2

DAG 2

DAG 1

)

EXTERNAL

DATA

3-Bus Architecture Allows Dual Operand Fetches in

Every Instruction Cycle

Multifunction Instructions

PROGRAM MEMORY ADDRESS

DATA MEMORY ADDRESS

BUS

BYTE DMA

CONTROLLER

PROGRAM MEMORY DATA

DATA MEMORY DATA

Power-Down Mode Featuring Low CMOS Standby

Power Dissipation with 400 Cycle Recovery from

Power-Down Condition

EXTERNAL

DATA

BUS

Low Power Dissipation in Idle Mode

SERIAL PORTS

SPORT 0 SPORT 1

ARITHMETIC UNITS

ALU SHIFTER

TIMER

INTERNAL

DMA

PORT

MAC

INTEGRATION

ADSP-2100 Family Code Compatible, with Instruction

Set Extensions

ADSP-2100 BASE

ARCHITECTURE

HOST MODE

80K Bytes of On-Chip RAM, Configured as 16K Words

Program Memory RAM and 16K Words

Data Memory RAM

Dual Purpose Program Memory for 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

GENERAL NOTE

This data sheet represents specifications for the ADSP-2185L

3.3 V processor.

GENERAL DESCRIPTION

The ADSP-2185L is a single-chip microcomputer optimized for

digital signal processing (DSP) and other high speed numeric

processing applications.

SYSTEM INTERFACE

The ADSP-2185L 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.

16-Bit Internal DMA Port for High Speed Access to

On-Chip Memory (Mode Selectable)

4 MByte Memory Interface for Storage of Data Tables

and Program Overlays (Mode 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 “Glueless” System Design

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

Six External Interrupts

13 Programmable Flag Pins Provide Flexible System

Signaling

UART Emulation through Software SPORT Reconfiguration

ICE-Port™ Emulator Interface Supports Debugging in

Final Systems

The ADSP-2185L integrates 80K bytes of on-chip memory

configured as 16K words (24-bit) of program RAM, and 16K

words (16-bit) of data RAM. Power-down circuitry is also pro-

vided to meet the low power needs of battery operated portable

equipment. The ADSP-2185L is available in 100-lead LQFP

package.

In addition, the ADSP-2185L supports instructions which

include bit manipulations—bit set, bit clear, bit toggle, bit test—

ALU constants, multiplication instruction (x squared), biased

rounding, result free ALU operations, I/O memory transfers and

global interrupt masking, for increased flexibility.

Fabricated in a high speed, low power, CMOS process, the

ADSP-2185L operates with a 19 ns instruction cycle time. Ev-

ery instruction can execute in a single processor cycle.

ICE-Port is a trademark of Analog Devices, Inc.

REV. A

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

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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ADSP-2185LKST-210 替代型号

型号	品牌	替代类型	描述	数据表
ADSP-2185LKSTZ-210	ADI	完全替代	IC 24-BIT, 26.3 MHz, OTHER DSP, PQFP100, ROHS COMPLIANT, MS-026BED, LQFP-100, Digital Sign
ADSP-2185LBST-210	ADI	完全替代	DSP Microcomputer
ADSP-2185LBSTZ-210	ADI	类似代替	16-bit, 52 MIPS, 3.3v, 2 serial ports, host port, 80 KB RAM

与ADSP-2185LKST-210相关器件

型号	品牌	获取价格	描述	数据表
ADSP-2185LKSTZ-210	ADI	获取价格	IC 24-BIT, 26.3 MHz, OTHER DSP, PQFP100, ROHS COMPLIANT, MS-026BED, LQFP-100, Digital Sign
ADSP-2185LKSTZ-2102	ADI	获取价格	DSP Microcomputer
ADSP-2185M	ADI	获取价格	DSP Microcomputer
ADSP-2185MBCA-266	ADI	获取价格	DSP Microcomputer
ADSP-2185MBST-266	ADI	获取价格	DSP Microcomputer
ADSP-2185MBSTZ-266	ADI	获取价格	DSP Microcomputer
ADSP-2185MKCA-300	ADI	获取价格	DSP Microcomputer
ADSP-2185MKST-300	ADI	获取价格	DSP Microcomputer
ADSP-2185MKSTZ-300	ADI	获取价格	16-bit, 75 MIPS, 2.5v, 2 serial ports, host port, 80 KB RAM
ADSP-2185N	ADI	获取价格	DSP Microcomputer

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