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MPC821ADS, Revision A - User’s Manual
OPERATING INSTRUCTIONS
TABLE 3-11. UPMA Initializations for 60nsec EDO DRAMs @ 25MHz
Cycle Type
Single Read
Burst Read
Single Write
Burst Write
Refresh
Exception
Offset in UPM
0
8
18
20
30
3C
0
0FFBCC04
0FFBCC04
0FEFCC04
0FEFCC04
80FFCC84
33FFCC07
1
0CF3CC04
09F3CC0C
08AFCC04
08AFCC00
13FFCC04
X
2
00F3CC00
09F3CC0C
00AFCC00
07AFCC48
FFFFCC87
X
3
33F7CC47
09F3CC0C
0FBFCC47
08AFCC48
FFFFCC05
X
4
X
08F3CC00
X
08AFCC48
X
5
X
3FF7CC47
X
39BFCC47
X
6
X
X
X
X
7
X
X
X
X
Contents
@ Offset +
32
8
X
X
9
X
X
A
X
X
X
B
X
X
X
C
X
X
D
X
X
E
X
X
F
X
X
Release 1.3a