L7400 데이터 시트보기 (PDF) - Intel

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L7400

Intel® Core™2 Duo Mobile Processor for Intel® Centrino® Duo Mobile Processor Technology

Intel 

Introduction

1 Introduction

Note:

Note:

The Intel® Core™2 Duo mobile processor for Intel® Centrino® Duo mobile technology

based on the Intel® 945 Express Chipset family is built on 65-nanometer process

technology and is the next generation high-performance, low-power mobile processor

based on the Intel® Core™ architecture.

All references to the word “processor” in this document are references to the Intel Core

2 Duo mobile processor with 533- and 667-MHz front side bus (FSB), unless specified

otherwise.

The following list provides some of the key features on this processor:

• Dual-core processor for mobile with enhanced performance

• Intel® 64 architecture

• Supports Intel Architecture with Dynamic Execution

• On-die, primary 32-kB instruction cache and 32-kB write-back data cache per core

• On-die, up to 4-MB second level shared cache with Advanced Transfer Cache

Architecture

• Data Prefetch Logic

• Streaming SIMD Extensions 2 (SSE2), Streaming SIMD Extensions 3 (SSE3) and

Supplemental Streaming SIMD Extensions 3 (SSSE3)

• 667-MHz, Source-Synchronous FSB for Standard Voltage processors

• Advanced Power Management features including Enhanced Intel SpeedStep®

Technology

• Intel® Enhanced Deeper Sleep state and Dynamic Cache Sizing

• Digital Thermal Sensor

• Micro-FCPGA and Micro-FCBGA packaging technologies

• Intel® Virtualization Technology

• Execute Disable Bit support for enhanced security

64-bit computing on Intel architecture requires a computer system with a processor,

chipset, BIOS, operating system, device drivers and applications enabled for Intel 64

architecture. Processors will not operate (including 32-bit operation) without an Intel

64 architecture-enabled BIOS. Performance will vary depending on your hardware and

software configurations. Consult with your system vendor for more information.

The Intel Core 2 Duo mobile processor will be manufactured on Intel’s 65-nanometer

process technology. The processor maintains support for MMXTM technology, Streaming

SIMD instructions, and full compatibility with IA-32 software. In addition, the Intel Core

2 Duo mobile processor supports Intel 64 architecture which is enabled by 64-bit

operating systems and consists of 64-bit instructions and registers. Further details on

Intel Extended Memory 64 Technology and its programming model can be found in the

Intel Extended Memory 64 Technology Software Developer’s Guide. The Intel Core 2

Duo mobile processor features on-die, 32-kB level 1 instruction and data caches and

features up to a 4-MB level 2 cache with Advanced Transfer Cache Architecture. The

processor’s Data Prefetch Logic speculatively fetches data to the L2 cache before the L1

cache requests occurs, resulting in reduced bus cycle penalties. The processor includes

the Data Cache Unit Streamer which enhances the performance of the L2 prefetcher by

requesting L1 warm-ups earlier. In addition, the Write Order Buffer depth is enhanced

to help with the write-back latency performance.

Datasheet

7

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