Datasheet > ADSP-2185NBSTZ-320

ADSP-2185NBSTZ-320

更新时间： 2024-11-27 14:27:31

品牌	Logo	应用领域
亚德诺 - ADI		时钟外围集成电路
页数	文件大小	规格书
48页	1407K
描述
16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 80KB RAM

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DSP Microcomputer

ADSP-218xN Series

PERFORMANCE FEATURES

SYSTEM INTERFACE FEATURES

12.5 ns Instruction cycle time @1.8 V (internal), 80 MIPS sus-

tained performance

Single-cycle instruction execution

Single-cycle context switch

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)

4M-byte memory interface for storage of data tables and pro-

gram overlays (mode selectable)

3-bus architecture allows dual operand fetches in every

instruction cycle

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

Multifunction instructions

Power-down mode featuring low CMOS standby power dissi-

pation with 200 CLKIN cycle recovery from power-down

condition

Programmable wait state generation

Low power dissipation in idle mode

Two double-buffered serial ports with companding hardware

and automatic data buffering

Automatic booting of on-chip program memory from byte-

wide external memory, for example, EPROM, or through

internal DMA Port

INTEGRATION FEATURES

ADSP-2100 family code compatible (easy to use algebraic

syntax), with instruction set extensions

Up to 256K byte of on-chip RAM, configured

Up to 48K words program memory RAM

Up to 56K words data memory RAM

Dual-purpose program memory for both instruction and

data storage

Independent ALU, multiplier/accumulator, and barrel shifter

computational units

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

Two independent data address generators

Powerful program sequencer provides zero overhead loop-

ing conditional instruction execution

Programmable 16-bit interval timer with prescaler

100-lead LQFP and 144-ball BGA

POWER-DOWN

CONTROL

FULL MEMORY MODE

PROGRAMMABLE

MEMORY

PROGRAM

EXTERNAL

ADDRESS

BUS

DATA

MEMORY

UP TO

DATA ADDRESS

GENERATORS

I/O

MEMORY

UP TO

48K

24-BIT

PROGRAM

SEQUENCER

AND

FLAGS

DAG1

DAG2

56K

16-BIT

EXTERNAL

DATA

BUS

PROGRAM MEMORY ADDRESS

DATA MEMORY ADDRESS

BYTE DMA

CONTROLLER

PROGRAM MEMORY DATA

DATA MEMORY DATA

EXTERNAL

DATA

BUS

ARITHMETIC UNITS

SERIAL PORTS

TIMER

INTERNAL

DMA

PORT

ALU

MAC

SHIFTER

SPORT0

SPORT1

ADSP-2100 BASE

ARCHITECTURE

HOST MODE

Figure 1. Functional Block Diagram

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 that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O.Box 9106, Norwood, MA 02062-9106 U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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ADSP-2185NBSTZ-320 替代型号

型号	品牌	替代类型	描述	数据表
ADSP-2185NBST-320	ADI	功能相似	DSP Microcomputer

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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
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