参数资料
型号: SIS600
厂商: SILICON INTEGRATED SYSTEMS CORP
元件分类: 外设及接口
英文描述: MULTIFUNCTION PERIPHERAL, PBGA487
封装: BGA-487
文件页数: 116/144页
文件大小: 1592K
代理商: SIS600
SiS600 Pentium II PCI A.G.P. Chipset
Preliminary V1.0 Jan. 25, 1999
70
Silicon Integrated Systems Corporation
Register 54h
DRAM RAS#/CS# Timing Control
default Value:
00h
Access:
Read/Write
This register controls the RAS#/CS# timing for EDO, FP DRAM and SDRAM.
BIT
ACCESS
DESCRIPTION
7:6
R/W
RAS Pulse Width
Bits[7:6] defines the RAS# pulse width for refresh cycles
Bits[7:6] Pulse Width
00
4T
01
5T
10
6T
11
7T
5:4
R/W
RAS# Precharge Time
Bits[5:4]
Description
00
2T
01
3T
10
4T
11
5T
3:2
R/W
RAS to CAS Delay
Bits[5:4] Description
00
2T
01
3T
10
4T
11
5T
1:0
R/W
Reserved
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