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6702PXH 参数 Datasheet PDF下载

6702PXH图片预览
型号: 6702PXH
PDF下载: 下载PDF文件 查看货源
内容描述: 64位PCI中枢 [64-bit PCI Hub]
分类和应用: PC
文件页数/大小: 214 页 / 2554 K
品牌: INTEL [ INTEL ]
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Signal Description  
Table 2-15. Intel® 6702PXH 64-bit PCI Hub Signals and Default States (Sheet 3 of 3)  
Signal  
Power Plane  
Type  
During Reset  
Immediately After Reset  
PAPME#  
3.3V  
3.3V/1.5V  
3.3V  
I
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
High-Z  
Undefined  
Pulled High  
Pulled High  
Pulled High  
Pulled High  
Pulled High  
Pulled High  
Pulled High  
Pulled High  
Pulled High  
Pulled Low  
Pulled High  
High-Z  
PAREQ_[5]#  
PAREQ_[4]#  
PAREQ_[3]#  
PAREQ_[2]#  
PAREQ_[1]#  
PAREQ_[0]#  
PAREQ64#  
PASERR#  
PASTOP#  
PASTRAP0  
PATRDY#  
SCLK  
I/O  
I
3.3V  
I
3.3V  
I
3.3V  
I
3.3V  
I
3.3V/1.5V  
3.3V  
I/O  
I
3.3V  
I/O  
3.3V  
I
3.3V  
I/O  
3.3V  
I
SDTA  
3.3V  
I/O  
High-Z  
SMBUS[5]  
SMBUS[3]  
SMBUS[2]  
SMBUS[1]  
3.3V  
I
I
I
I
Undefined  
Undefined  
Undefined  
Undefined  
3.3V  
3.3V  
3.3V  
2.12  
PCI/PCI-X Interface  
2.12.1  
Initialization  
The Intel® 6702PXH 64-bit PCI Hub is the source bridge for the PCI bus. The Intel® 6702PXH  
64-bit PCI Hub senses the PAM66EN, PA133EN, and the PAPCIXCAP pins to decide the mode  
and frequency of operation (when not in hot plug mode or when in one-slot-no-glue hot plug  
mode).  
Table 2-16. PCI/PCI-X Mode and Frequency Encoding (Sheet 1 of 2)  
PAPCIXCAP  
(on the card)  
PCI Capability  
PCI-X Capability  
PAM66EN  
PA133EN  
33 MHz  
66 MHz  
33 MHz  
66 MHz  
33 MHz  
66 MHz  
33 MHz  
Not Capable  
Not Capable  
GND  
Pull-up  
X
GND  
X
X
GND  
PCI-X 66 MHz  
PCI-X 66 MHz  
PCI-X 100 MHz  
PCI-X 100 MHz  
PCI-X 133 MHz  
GND  
Pull-down  
No Connect  
GND  
X
Pull-down  
Pull-down  
Pull-down  
Pull-up  
Capacitor to GND  
Capacitor to GND  
Capacitor to GND  
No Connect  
GND  
34  
Intel® 6702PXH 64-bit PCI Hub Datasheet