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30129-13

更新时间: 2024-01-02 14:06:51
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
247页 4117K
描述
Geode⑩ GXLV Processor Series Low Power Integrated x86 Solutions

30129-13 数据手册

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April 2000  
Geode™ GXLV Processor Series  
Low Power Integrated x86 Solutions  
General Description  
The National Semiconductor® Geode™ GXLV processor  
series is a new line of integrated processors specifically  
designed to power information appliances for entertain-  
ment, education, and business. Serving the needs of con-  
sumers and business professionals alike, it is the perfect  
solution for information appliance applications such as  
thin clients, interactive set top boxes, and personal inter-  
net access devices.  
leading to longer battery life and enabling small form-fac-  
tor, fanless designs. Each core voltage is offered in fre-  
quencies that are enabled by specific system clock and  
multiplier settings. This allows the user to select the  
device(s) that best fit their power and performance  
requirements. This flexibility makes the GXLV processor  
series ideally suited for applications where power con-  
sumption and performance (speed) are equally important.  
The GXLV processor series is divided into three main cat-  
egories as defined by the core operating voltage. Avail-  
able with core voltages of 2.2V, 2.5V, and 2.9V, it offers  
extremely low typical power consumption (1.0W to 2.5W)  
Typical power consumption is defined as an average,  
measured running Microsoft’s Windows at 80% Active Idle  
(Suspend-on-Halt) with a display resolution of 800x600x8  
bpp at 75 Hz.  
Internal Block Diagram  
INTR  
Clock Module  
Interrupt  
Control  
INT/NMI  
X86 Compatible Core  
IRQ13  
SMI#  
SYSCLK  
Core  
Clocks  
SYSCLK  
multiplied by  
A
X-Bus  
Clocks  
Integer  
TLB  
Unit  
FP_Error  
MMU  
16 KB  
Unified L1  
Cache  
Instruction  
Fetch  
(128)  
Floating Point  
Unit  
Load/Store  
C-Bus (64)  
X-Bus Controller  
SUSP#  
Core Suspend  
Write Buffers  
Power  
Management  
Control  
Core Acknowledge  
X-Bus Suspend  
Arbiter  
SUSPA#  
X-Bus Acknowledge  
Read Buffers  
X-Bus (32)  
2D Accelerator  
Display Controller  
Compression Buffer  
Palette RAM  
X-Bus Clk ÷ B  
PCI Host  
Controller  
VGA  
Arbiter  
BLT Engine  
ROP Unit  
Timing Generator  
3
YUV  
Video Companion Interface  
64-bit SDRAM  
RGB  
PCI Bus  
4
REQ/GNT  
Pairs  
SDRAM  
Clocks  
National Semiconductor is a registered trademark of National Semiconductor Corporation.  
Geode and WebPAD are trademarks of National Semiconductor Corporation.  
For a complete listing of National Semiconductor trademarks, please visit www.national.com/trademarks.  
© 2000 National Semiconductor® Corporation  
www.national.com  

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