Datasheet > IDT79RV3081-33PF9

IDT79RV3081-33PF9

更新时间： 2024-11-20 05:30:07

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
41页	893K
描述
RISC Microprocessor, 32-Bit, 33.33MHz, CMOS, PQFP100, TQFP-100

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IDT79R3081 RISController

MILITARY AND COMMERCIAL TEMPERATURE RANGES

IDT 79R3081 , 79R3081E

IDT79R3081

RISController

with FPA

IDT 79RV3081, 79RV3081E

Integrated Device Technology, Inc.

• Large on-chip caches with user configurability

— 16kB Instruction Cache, 4kB Data Cache

— Dynamically configurable to 8kB Instruction Cache,

8kB Data Cache

— Parity protection over data and tag fields

• Low cost 84-pin packaging

• Superset pin- and software-compatible with R3051, R3071

• Multiplexed bus interface with support for low-cost, low-

speed memory systems with a high-speed CPU

• On-chip 4-deep write buffer eliminates memory write stalls

• On-chip 4-deep read buffer supports burst or simple block

reads

FEATURES

• Instruction set compatible with IDT79R3000A, R3041,

R3051, and R3071 RISC CPUs

• High level of integration minimizes system cost

— R3000A Compatible CPU

— R3010A Compatible Floating Point Accelerator

— Optional R3000A compatible MMU

— Large Instruction Cache

— Large Data Cache

— Read/Write Buffers

• 43VUPS at 50MHz

— 13MFlops

• Flexible bus interface allows simple, low cost designs

• Optional 1x or 2x clock input

• 20 through 50MHz operation

• On-chip DMA arbiter

• Hardware-based Cache Coherency Support

• Programmable power reduction mode

• Bus Interface can operate at half-processor frequency

• "V" version operates at 3.3V

• 50MHz at 1x clock input and 1/2 bus frequency only

R3081 BLOCK DIAGRAM

BrCond(3:2,0)

Master Pipeline Control

ClkIn

Clock Generator

Unit/Clock Doubler

System Control

Coprocessor

(CP0)

Floating Point

Coprocessor

(CP1)

Integer

CPU Core

Exception/Control

Registers

General Registers

(32 x 32)

(16 x 64)

Memory Management

Registers

ALU

Shifter

Exponent Unit

Add Unit

Divide Unit

Multiply Unit

Mult/Div Unit

Translation

Lookaside Buffer

(64 entries)

Int(5:0)

Address Adder

PC Control

Exception/Control

Virtual Address

FP Interrupt

Data Bus

Physical Address Bus

Configurable

Instruction

Cache

Configurable

Data

Cache

(4kB/8kB)

(16kB/8kB)

Data Bus

Parity

Generator

R3051 Superset Bus Interface Unit

4-deep

Read

Buffer

4-deep

Write

Buffer

DMA

Arbiter

BIU

Control

Coherency

Logic

Address/

Data

DMA

Ctrl

Rd/Wr

Ctrl

SysClk Invalidate

Control

2889 drw 01

The IDT logo is a registered trademark, and RISController, R3041, R3051, R3052, R3071, R3081, R3720, R4400, R4600, IDT/kit, and IDT/sim are trademarks of Integrated Device Technology, Inc.

MILITARY AND COMMERCIAL TEMPERATURE RANGES

OCTOBER 2001

2001 Integrated Device Technology, Inc.

5.5

DSC-9064/5

12 3 4 5 6 7...41

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与IDT79RV3081-33PF9相关器件

型号	品牌	获取价格	描述	数据表
IDT79RV3081-33PFB	IDT	获取价格	RISController with FPA
IDT79RV3081-33PFM	IDT	获取价格	RISController with FPA
IDT79RV3081-40	IDT	获取价格	RISController with FPA
IDT79RV3081-40DL8	IDT	获取价格	RISC Microprocessor, 32-Bit, 40MHz, PQCC84, 0.050 INCH PITCH, HEAT SINK, PLASTIC, LCC-84
IDT79RV3081-40FD	IDT	获取价格	RISController with FPA
IDT79RV3081-40FDB	IDT	获取价格	RISController with FPA
IDT79RV3081-40FDM	IDT	获取价格	RISController with FPA
IDT79RV3081-40J	IDT	获取价格	RISController with FPA
IDT79RV3081-40JB	IDT	获取价格	RISController with FPA
IDT79RV3081-40JM	IDT	获取价格	RISController with FPA

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