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| 型號： | 21928 |
| 英文描述： | Low-Frequency, Spread-Spectrum EconOscillator |
| 中文描述： | 的AMD - K6 - 2E處理器數(shù)據(jù)手冊3DNow！？技術(shù)手冊 |
| 文件頁數(shù)： | 15/72頁 |
| 文件大小： | 845K |
| 代理商： | 21928 |
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Chapter 1
3DNow! Technology
5
21928G/0—March 2000
3DNow! Technology Manual
Figure 1.
3DNow!/MMX Registers
Aliasing the 3DNow!/MMX registers onto the floating-point
register stack provides a safe method to introduce 3DNow! and
MMX technology, because it does not require modifications to
existing operating systems. Instead of requiring operating
system modifications, new 3DNow! and MMX technology
applications are supported through device drivers, 3DNow! and
MMX libraries, or Dynamic Link Library (DLL) files.
Current operating systems have support for floating-point
operations and the floating-point register state. Using the
floating-point registers for 3DNow! and MMX code is a
convenient way of implementing non-intrusive support for
3DNow! and MMX instructions. Every time the processor
executes a 3DNow! or MMX instruction, all the floating-point
register tag bits are set to zero (00b=valid), except for the
FEMMS and EMMS instructions, which set all tag bits to one
(11b=empty).
Note:
Executing the PREFETCH instruction does not change the
tag bits.
TAG BITS
63
0
mm0
mm7
mm1
mm6
mm5
mm2
mm3
mm4
xx
xx
xx
xx
xx
xx
xx
xx
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| 21934 | CAPACITIVE SENSOR |
| 21A | Low-Frequency Dual EconOscillator |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 219-2-8235-1 | 制造商:Airpax 功能描述:CIRCUIT PROTECTOR HYD MAGNETIC 制造商:Airpax 功能描述:CIRCUIT BREAKER MAG-HYDR LEVER 制造商:Sensata Technologies 功能描述:219-2-8235-1 /Pole # 2 /Prod Family: 0209 |
| 219-2-8696-1 | 制造商:Airpax 功能描述:CIRCUIT BREAKER MAG-HYDR LEVER 制造商:Sensata Technologies 功能描述:219-2-8696-1 /Pole # 2 /Prod Family: 0209 |
| 21-9290 | 制造商:Tenma 功能描述:Soldering Iron Pencil 25W 制造商:TENMA 功能描述:PENCIL SOLDERING IRON 25 WATT |
| 219-2-9344-1 | 制造商:Airpax 功能描述:CIRCUIT PROTECTOR HYD MAGNETIC 制造商:Sensata Technologies 功能描述:219-2-9344-1 /Pole # 2 /Prod Family: 0209 |
| 21-9295 | 制造商:Tenma 功能描述:Soldering Iron Pencil 45W 制造商:TENMA 功能描述:PENCIL SOLDERING IRON 40 WATT |
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