LSI Logic Confidential
18-18
Specifications
Copyright © 2001, 2002 by LSI Logic Corporation. All rights reserved.
18.2.3.3
M-Mode Write Timing
Figure 18.14 M-Mode Write AC Timing Diagram
T
3
T
1
H_CS (I)
H_RD/WR (I)
H_WAIT (O)
H_DTACK (O)
H_ADDR[2:0] (I)
H_DATA[31:0] (I/O)
T
6
T
7
T
5
T
10
T
8
T
2
T
9
T
14
T
13
T
12
T
11
T
4
Table 18.9
M-Mode Write AC Timing Parameters
1
Symbol
Description
Timing Value
Min
Max
T
1
WR setup time with respect to H_CS falling.
3.0 ns
–
T
2
WR hold time with respect to H_CS rising.
2.0 ns
–
T
3
H_WAIT output delay time with respect to H_CS falling
–
3 14 ns
T
4
H_WAIT assertion period.
2 cycles
–
T
5
DTACK output delay time with respect to WR falling
–
3 14 ns
T
6
DTACK assertion period.
2 cycles
–
T
7
Output delay from H_CS rising to H_WAIT 3-state.
2 cycles
3 cycles
T
8
Output delay from H_CS rising to H_DTACK 3-state.
2 cycles
3 cycles
T
9
H_CS hold time with respect to H_WAIT rising.
2.0 ns
–
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