參數(shù)資料
型號： FW82815
英文描述： Controller Miscellaneous - Datasheet Reference
中文描述： 控制器雜項(xiàng)-數(shù)據(jù)表參考
文件頁數(shù)： 70/172頁
文件大?。?/td> 795K
代理商： FW82815
82815 GMCH
R
70
Datasheet
3.4.25.
BUFF_SC2—System Memory Buffer Strength Control Register
2 (Device 0)
Address Offset:
94–95h
Default Value:
FFFFh
Access:
Read/Write
Size:
16 bits
This register programs the system memory DRAM interface CKE signal buffer strengths. See BUFF_SC
register for the remainder of the buffer strength controls.
15
8
Reserved (R/W)
7
6
5
4
3
2
1
0
Reserved (R/W)
CKE5
Buffer
Strength
CKE4
Buffer
Strength
CKE3
Buffer
Strength
CKE2
Buffer
Strength
CKE1
Buffer
Strength
CKE0
Buffer
Strength
Bit
Description
15:6
Reserved.
5
SCKE[5] Buffer Strength (Row 5).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
The load on a given SCKE signal is equal to the number of SDRAM devices for that particular row
(either 4 or 8 loads).
Loads = (64 / SDRAM Device Width for this row)
4
SCKE[4] Buffer Strength (Row 4).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
3
SCKE[3] Buffer Strength (Row 3).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
2
SCKE[2] Buffer Strength (Row 2).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
1
SCKE[1] Buffer Strength (Row 1).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
0
SCKE[0] Buffer Strength (Row 0).
0 = 2.7x 8 loads
1 = 1.7x 0 or 4 loads
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