IDT79R3052-25MJ datasheet, PDF

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IDT79R3052-25MJ: DescriptionRISControllers; File Size128KB，23 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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IDT79R3052-25MJ Overview

RISControllers

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IDT79R3051/79R3052

RISControllers

™

Integrated Device Technology, Inc.

IDT79R3051

™

, 79R3051E

IDT79R3052

™

, 79R3052E

FEATURES:

• Instruction set compatible with IDT79R3000A and

IDT79R3001 MIPS RISC CPUs

• High level of integration minimizes system cost, power

consumption

— IDT79R3000A /IDT79R3001 RISC Integer CPU

— R3051 features 4KB of Instruction Cache

— R3052 features 8KB of Instruction Cache

— All devices feature 2kB of Data Cache

— “E” Versions (Extended Architecture) feature full

function Memory Management Unit, including 64-

entry Translation Lookaside Buffer (TLB)

— 4-deep write buffer eliminates memory write stalls

— 4-deep read buffer supports burst refill from slow

memory devices

•

— On-chip DMA arbiter

— Bus Interface minimizes design complexity

Single clock input with 40%-60% duty cycle

35 MIPS, over 64,000 Dhrystones at 40MHz

Low-cost 84-pin PLCC packaging that's pin-/package-

compatible with thermally enhanced 84-pin MQUAD.

Flexible bus interface allows simple, low-cost designs

20, 25, 33, and 40MHz operation

Complete software support

— Optimizing compilers

— Real-time operating systems

— Monitors/debuggers

— Floating Point Software

— Page Description Languages

Clk2xIn

Clock

Generator

Unit

Master Pipeline Control

System Control

Coprocessor

Exception/Control

Registers

Memory Management

Registers

BrCond(3:0)

Integer

CPU Core

General Registers

(32 x 32)

ALU

Shifter

Int(5:0)

Translation

Lookaside Buffer

(64 entries)

Mult/Div Unit

Address Adder

PC Control

Virtual Address

Physical Address Bus

Instruction

Cache

(8kB/4kB)

Data Bus

Bus Interface Unit

4-deep

Write

Buffer

4-deep

Read

Buffer

DMA

Arbiter

Data

Cache

(2kB)

BIU

Control

Address/

Data

DMA

Ctrl

Rd/Wr

Ctrl

SysClk

2874 drw 01

Figure 1. R3051 Family Block Diagram

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

COMMERCIAL TEMPERATURE RANGE

Integrated Device Technology, Inc.

SEPTEMBER 1995

5.3

DSC-3000/5

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