參數(shù)資料
型號: DP8440
文件頁數(shù): 11/46頁
文件大小: 644K
代理商: DP8440
Programming the DP8440/41
4.3 PROGRAMMING SELECTION
RAS LOW AND PRECHARGE TIME
R1
0
0
1
1
R0
0
1
0
1
2T
3T
4T
5T
DTACK DURING OPENING ACCESS
WILL ASSERT AFTER RAS
R3
0
0
1
1
R2
0
1
0
1
1T
2T
3T
4T
DTACK DURING BURST ACCESS
WILL ASSERT AFTER CAS
R5
0
0
1
1
R4
0
1
0
1
0T
1T
2T
3T
DTACK DURING PAGE ACCESS
WILL ASSERT AFTER CAS
R7
0
0
1
1
R6
0
1
0
1
0T
1T
2T
3T
PAGE SIZE SELECT
R9
0
0
1
1
R8
0
1
0
1
512
1024
2048
4096
WRAP AROUND SIZE
R11
0
0
1
1
R10
0
1
0
1
2
4
8
16
11
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