Datasheet > ADSP-2185N

ADSP-2185N

更新时间： 2024-11-24 05:15:15

品牌	Logo	应用领域
亚德诺 - ADI		电脑
页数	文件大小	规格书
45页	1461K
描述
DSP Microcomputer

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中文翻译

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数据手册

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ADSP-2185N 数据手册

DSP Microcomputer

ADSP-218xN Series

PERFORMANCE FEATURES

12.5 ns Instruction Cycle Time @1.8 V (Internal), 80 MIPS

Sustained Performance

Programmable 16-Bit Interval Timer with Prescaler

100-Lead LQFP and 144-Ball Mini-BGA

Single-Cycle Instruction Execution

Single-Cycle Context Switch

3-Bus Architecture Allows Dual Operand Fetches in

Every Instruction Cycle

SYSTEM INTERFACE FEATURES

Flexible I/O Allows 1.8 V, 2.5 V or 3.3 V Operation

All Inputs Tolerate up to 3.6 V Regardless of Mode

16-Bit Internal DMA Port for High-Speed Access to On-

Chip Memory (Mode Selectable)

Multifunction Instructions

Power-Down Mode Featuring Low CMOS Standby

Power Dissipation with 200 CLKIN Cycle Recovery

from Power-Down Condition

4M-Byte 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)

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

Low Power Dissipation in Idle Mode

INTEGRATION FEATURES

ADSP-2100 Family Code Compatible (Easy to Use

Algebraic Syntax), with Instruction Set Extensions

Up to 256K Bytes of On-Chip RAM, Configured as

Up to 48K Words Program Memory RAM

Up to 56K Words Data Memory RAM

Dual-Purpose Program Memory for Both Instruction and

Data Storage

Six External Interrupts

Independent ALU, Multiplier/Accumulator, and Barrel

Shifter Computational Units

13 Programmable Flag Pins Provide Flexible System

Signaling

Two Independent Data Address Generators

Powerful Program Sequencer Provides Zero Overhead

Looping Conditional Instruction Execution

UART Emulation through Software SPORT

Reconfiguration

ICE-Port™ Emulator Interface Supports Debugging in

Final Systems

FUNCTIONAL BLOCK DIAGRAM

POWER-DOWN

CONTROL

FULL MEMORY MODE

MEMORY

PROGRAMMABLE

PROGRAM

EXTERNAL

ADDRESS

BUS

DATA

MEMORY

UP TO

DATA ADDRESS

GENERATORS

I/O

MEMORY

AND

FLAGS

PROGRAM

SEQUENCER

UP TO

DAG1 DAG2

48K ꢀ 24-BIT

56K ꢀ 16-BIT

EXTERNAL

DATA

BUS

PROGRAM MEMORY ADDRESS

BYTE DMA

CONTROLLER

DATA MEMORY ADDRESS

PROGRAM MEMORY DATA

DATA MEMORY DATA

EXTERNAL

DATA

BUS

ARITHMETIC UNITS

MAC SHIFTER

SERIAL PORTS

TIMER

INTERNAL

DMA

PORT

ALU

SPORT0

SPORT1

ADSP-2100 BASE

ARCHITECTURE

HOST MODE

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

REV. 0

Information furnished by Analog Devices is believed to be accurate and reli-

able. However, no responsibility is assumed by Analog Devices for its use,

nor for any infringements of patents or other rights of third parties that may One Technology Way, P.O.Box 9106, Norwood, MA 02062-9106, U.S.A.

result from its use. No license is granted by implication or otherwise under Tel:781/329-4700

any patent or patent rights of Analog Devices. Fax:781/326-8703

http://www.analog.com

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与ADSP-2185N相关器件

型号	品牌	获取价格	描述	数据表
ADSP-2185NBCA-320	ADI	获取价格	DSP Microcomputer
ADSP-2185NBST-320	ADI	获取价格	DSP Microcomputer
ADSP-2185NBSTZ-320	ROCHESTER	获取价格	24-BIT, 40 MHz, OTHER DSP, PQFP100, LEAD FREE, MS-026BED, LQFP-100
ADSP-2185NBSTZ-320	ADI	获取价格	16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 80KB RAM
ADSP-2185NBSTZ-3202	ADI	获取价格	DSP Microcomputer
ADSP-2185NKCA-320	ADI	获取价格	DSP Microcomputer
ADSP-2185NKCAZ-320	ADI	获取价格	16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 80KB RAM
ADSP-2185NKST-320	ADI	获取价格	DSP Microcomputer
ADSP-2185NKSTZ-320	ADI	获取价格	DSP Microcomputer
ADSP-2185NKSTZ-3202	ADI	获取价格	DSP Microcomputer

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