Datasheet > MC68LC060

MC68LC060

更新时间： 2022-03-20 02:18:26

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飞思卡尔 - FREESCALE		微处理器
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描述
Superscalar 32-Bit Microprocessors

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MC68LC060 数据手册

Freescale Semiconductor, Inc.

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M68060/D

Microprocessor and Memory

Technologies Group

MC68060

MC68LC060

MC68EC060

Product Brief

Superscalar 32-Bit Microprocessors

The superscalar M68060 represents a new line of Motorola microprocessor products. The first generation of the

M68060 product line consists of the MC68060, MC68LC060, and MC68EC060. All three microprocessors offer

superscalar integer performance of over 100 MIPS at 66 MHz. The MC68060 comes fully equipped with both a

floating-point unit (FPU) and a memory management unit (MMU) for high-performance embedded control and

desktop applications. For cost-sensitive embedded control and desktop applications where an MMU is required,

but the additional cost of a FPU is not justified, the MC68LC060 offers high performance at a low cost.

Specifically designed for low-cost embedded control applications, the MC68EC060 eliminates both the FPU and

MMU, permitting designers to leverage MC68060 performance while avoiding the cost of unnecessary features.

Throughout this product brief, all references to the MC68060 also refer to the MC68LC060 and the

MC68EC060, unless otherwise noted. Figure 1 illustrates a block diagram of the MC68060.

EXECUTION UNIT

INSTRUCTION FETCH UNIT

IAG

CALCULATE

BRANCH

CACHE

INSTRUCTION

ATC

INSTRUCTION

CACHE

INSTRUCTION

FETCH

IED

ADDRESS

EARLY

DECODE

INSTRUCTION

CACHE

CONTROLLER

INSTRUCTION

BUFFER

INSTRUCTION MEMORY UNIT

pOEP

sOEP

DECODE

DATA

FLOATING-

POINT

UNIT

CALCULATE

DATA

CACHE

CONTROLLER

FETCH

EXECUTE

INT

EXECUTE

INT

EXECUTE

DATA

CACHE

DATA

ATC

INTEGER UNIT

CONTROL

DATA MEMORY UNIT

DATA AVAILABLE

WRITE-BACK

OPERAND DATA BUS

Figure 1. MC68060 Block Diagram

This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice.

SEMICONDUCTOR PRODUCT INFORMATION

MOTOROLA, 1994

For More Information On This Product,

Go to: www.freescale.com

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