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6400 参数 Datasheet PDF下载

6400图片预览
型号: 6400
PDF下载: 下载PDF文件 查看货源
内容描述: 高级内存缓冲器 [Advanced Memory Buffer]
分类和应用:
文件页数/大小: 250 页 / 3863 K
品牌: INTEL [ INTEL ]
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Registers  
14.2.4  
CCR: Class Code Register  
This register contains the Class Code for the AMB, specifying the device function.  
Device:  
Function:  
Offset:  
NodeID  
0
09h  
Bit  
Attr  
Default  
Description  
23:16  
RO  
RO  
RO  
05h  
00h  
00h  
Base Class.  
This field indicates the general device category. For the AMB, this field is hardwired  
to 05h, indicating it is a “memory controller.  
15:8  
7:0  
Sub-Class.  
This field qualifies the Base Class, providing a more detailed specification of the  
device function. For the AMB, this field is hardwired to 00h, indicating it is a “RAM.  
Register-Level Programming Interface.  
This field identifies a specific programming interface (if any), that device  
independent software can use to interact with the device. There are no such  
interfaces defined for “memory controllers.  
14.2.5  
HDR: Header Type Register  
This register identifies the header layout of the configuration space.  
Device:  
Function:  
Offset:  
NodeID  
0
0Eh  
Bit  
Attr  
Default  
Description  
7
RO  
RO  
1
Multi-function Device.  
Selects whether this is a multi-function device, that may have alternative  
configuration layouts. The AMB has more than the 256 bytes of configuration  
registers allotted to a single function. Therefore, the AMB is defined to be a  
multifunction device, and this bit is hardwired to 1.  
6:0  
00h  
Configuration Layout.  
This field identifies the format of the 10h through 3Fh space. The AMB uses header  
type “00”: these bits are hardwired to 00h.  
14.3  
FBD Link Registers (Function 1)  
14.3.1  
FBD Link Control and Status  
14.3.1.1  
FBDS0: FBD Status 0  
This register contains copies of status bits returned by the AMB in the most recent  
northbound status frame when SYNC command R[1:0] field is 2’b00.  
In the absence of SYNCs to this register, this register is not updated.  
Device:  
NodeID  
Function: 1  
Offset:  
Bit  
40h  
Att  
r
Default  
Description  
7:5  
4
RV  
RO  
0h  
0h  
Reserved  
SP: Parity: This bit contains an odd parity bit that covers the S[3:0] field.  
170  
Intel® 6400/6402 Advanced Memory Buffer Datasheet  
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