參數(shù)資料
型號: 82845MZ
廠商: INTEL CORP
元件分類: 外設(shè)及接口
英文描述: Intel 845 Family Chipset-Mobile 82845MP/82845MZ Chipset Memory Controller Hub Mobile (MCH-M)
中文描述: MULTIFUNCTION PERIPHERAL, PBGA593
封裝: 37.50 X 37.50 MM, FCBGA-593
文件頁數(shù): 46/157頁
文件大?。?/td> 1407K
代理商: 82845MZ
Intel
82845MP/82845MZ Chipset-Mobile (MCH-M)
46
Datasheet
250687-002
R
3.6.4.
CSBSTR – Strength Control Register for CS# Signal Group
Address Offset:
32h
Default Value:
00h
Access:
Read Only, Read/Write
Size:
8 bits
This register controls the drive strength of the I/O buffers for the CS# signal group. This group has two
possible loadings depending on the width of SDRAM devices used in each Row of memory (x8 or x16).
The proper strength can be independently programmed for each configuration. The actual strength used
for each signal is determined by the DRAM Width register (offset 2Ch).
Bit
Descriptions
7
Reserved
6:4
CS# x16 Strength Control: Sets drive strength as shown below:
000
= 0.75 X (default)
001
= 1.00 X
010
= 1.25 X
011
= 1.50 X
100
= 2.00 X
101
= 2.50 X
110
= 3.00 X
111
= 4.00 X
3
Reserved
2:0
CS# x8 Strength Control: Sets drive strength as shown below:
000
= 0.75 X (default)
001
= 1.00 X
010
= 1.25 X
011
= 1.50 X
100
= 2.00 X
101
= 2.50 X
110
= 3.00 X
111
= 4.00 X
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