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30134-23 参数 Datasheet PDF下载

30134-23图片预览
型号: 30134-23
PDF下载: 下载PDF文件 查看货源
内容描述: 的Geode ™ GXLV处理器系列的低功耗X86集成解决方案 [Geode⑩ GXLV Processor Series Low Power Integrated x86 Solutions]
分类和应用: 外围集成电路时钟
文件页数/大小: 247 页 / 4117 K
品牌: NSC [ National Semiconductor ]
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1.0 Architecture Overview  
The Geode GXLV processor series represents the sixth  
generation of x86-compatible 32-bit processors with sixth-  
generation features. The decoupled load/store unit allows  
reordering of load/store traffic to achieve higher perfor-  
mance. Other features include single-cycle execution, sin-  
gle-cycle instruction decode, 16 KB write-back cache, and  
clock rates up to 266 MHz. These features are made pos-  
sible by the use of advanced-process technologies and  
pipelining.  
The GXLV processor is divided into major functional  
blocks (as shown in Figure 1-1):  
Integer Unit  
Floating Point Unit (FPU)  
Write-Back Cache Unit  
Memory Management Unit (MMU)  
Internal Bus Interface Unit  
Integrated Functions  
Instructions are executed in the integer unit and in the  
floating point unit. The cache unit stores the most recently  
used data and instructions and provides fast access to  
this information for the integer and floating point units.  
The GXLV processor has low power consumption at all  
clock frequencies. Where additional power savings are  
required, designers can make use of Suspend Mode, Stop  
Clock capability, and System Management Mode (SMM).  
Write-Back  
Cache Unit  
Integer  
FPU  
MMU  
Unit  
C-Bus  
Internal Bus Interface Unit  
X-Bus  
Graphics  
Pipeline  
Memory  
Controller  
Display  
Controller  
PCI  
Controller  
Integrated  
Functions  
PCI Bus  
SDRAM Port  
CS5530  
(CRT/LCD TFT)  
Figure 1-1. Internal Block Diagram  
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