MC68060 查看數據表（PDF） - Motorola => Freescale

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MC68060

Superscalar 32-Bit Microprocessors

Motorola => Freescale 

The following is a list of primary featuresof the MC68060:

• Fully User-Code Compatible with MC68040

• Superscalar Implementation of M68000 Architecture

— Dual Integer Instruction Execution Improves Performance

• Branch Cache Reduces Branches to Zero Cycles

• Executes Three Instructions per Clock

• Dual 8-Kbyte On-Chip Caches

— Separate Data and Instruction Caches

— Simultaneous Access

— Data Cache is Four-Way Banked to Allow Read and Write Access on Each Clock

• Bus Snooping

• Independent Instruction and Data Paged MMUs (MC68060 and MC68LC060 Only)

• Full 32-Bit Nonmultiplexed Address and Data Bus

— Optimized to Achieve Very High Performance Using 32-Bit Memory System

— Can Operate Bus at 1/2-or 1/4-Speed of Internal Clock

— 32-Bit Bus Maximizes Data Throughput

— Nonmultiplexed Bus Simplifies Design

— Four-Deep Store Buffer and One-Deep Push Buffer to Maximize Write Bandwidth

— MC68040-Compatible Bus Provides Simple Hardware Migration Path

• Power Management

— Automatic Power-Down of Unused Blocks of Logic on a Clock-by-Clock Basis

— Low-Voltage Operation at 3.3 V, with 3.3-V and 5-V I/O Capability

— LPSTOP Mode Provides an Idle State for Lowest Standby Current

— Static CMOS Technology Reduces Power in Normal Operation

• IEEE-Compatible On-Chip FPU (MC68060 Only)

• Available in 40-MHz (MC68EC060 only), 50-MHz, and 66-MHz Speeds

• Packaging

— Ceramic Pin Grid Array (PGA)

— Ceramic Quad Flat Pack (CQFP) (THIS PACKAGE NOT AVAILABLE 3/25/98)

MOTOROLA

MC68060 PRODUCT INFORMATION

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