參數(shù)資料
型號(hào): AXDA1700DKV3C
元件分類(lèi): 微處理器
英文描述: Microprocessor
中文描述: 微處理器
文件頁(yè)數(shù): 14/104頁(yè)
文件大?。?/td> 1769K
代理商: AXDA1700DKV3C
2
Overview
Chapter 1
AMD Athlon XP Processor Model 8 Data Sheet
25175E—November 2002
Preliminary Information
The features of the AMD Athlon XP processor model 8 are
QuantiSpeed architecture, a high-performance full-speed
cache,
an Advanced 333 Front-Side Bus (FSB) with a 2.7-Gigabyte per
second system bus, or an Advanced 266 FSB with a 2.1-Gigabyte
per second system bus, and 3DNow! Professional technology. The
AMD Athlon system bus combines the latest technological
advances, such as point-to-point topology, source-synchronous
packet-based transfers, and low-voltage signaling to provide an
extremely powerful, scalable bus for an x86 processor.
The AMD Athlon XP processor model 8 is binary-compatible with
existing x86 software and backwards compatible with applications
optimized for MMX, SSE, and 3DNow! technology. Using a data
format and single-instruction multiple-data (SIMD) operations
based on the MMX instruction model, the AMD Athlon XP
processor model 8 can produce as many as four, 32-bit,
single-precision floating-point results per clock cycle. The 3DNow!
Professional technology implemented in the AMD Athlon XP
processor model 8 includes new integer multimedia instructions
and software-directed data movement instructions for optimizing
such applications as digital content creation and streaming video
for the internet, as well as new instructions for digital signal
processing (DSP) and communications applications.
QuantiSpeed Architecture Summary
1.1
The following features summarize the AMD Athlon XP
processor model 8 QuantiSpeed architecture:
Advanced 333 FSB technology available
An advanced nine-issue, superpipelined, superscalar x86
processor microarchitecture designed for increased instructions
per cycle (IPC) and high clock frequencies
Fully pipelined floating-point unit that executes all x87
(floating-point), MMX
,
SSE and 3DNow! instructions
Hardware data pre-fetch that increases and optimizes
performance on high-end software applications utilizing high-
bandwidth system capabilities
Advanced two-level translation look-aside buffer (TLB)
structures for both enhanced data and instruction address
translation. The AMD Athlon XP processor model 8 with
QuantiSpeed
architecture
optimizations: the L1 DTLB increases from 32 to 40 entries, the
L2 ITLB and L2 DTLB both use exclusive architecture, and the
TLB entries can be speculatively loaded.
incorporates
three
TLB
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