Datasheet

SLCFxxxM2TU(I)(-x) CompactFlash Card
Datasheet
61000-07000-106, May 2011 29
4.3.8 TrueIDE Mode Multiword DMA
Note: Part numbers with -P extension do not support MWDMA.
Table 21: TrueIDE Mode Multiword DMA AC Characteristics
Parameter
Symbol
Mode 0
Mode 1
Mode 2
Mode 3
Mode 4
Unit
Cycle time (min)
t
0
480
150
120
100
80
ns
-IORD/-IOWR Asserted Width
(min)
t
D
215
80
70
65
55
ns
-IORD data access (max)
t
E
150
60
50
50
45
ns
-IORD data hold (min)
t
F
5
5
5
5
5
ns
-IORD/-IOWR data setup
(min)
t
G
100
30
20
15
10
ns
-IOWR data hold (min)
t
H
20
15
10
5
5
ns
DMACK to
-IORD/-IOWR setup (min)
t
I
0
0
0
0
0
ns
-IORD/-IOWR to DMACK hold
(min)
t
J
20
5
5
5
5
ns
-IORD negated pulse width
(max)
t
KR
50
50
25
25
20
ns
-IOWR negated pulse width
(min)
t
KW
215
50
25
25
20
ns
-IORD to DMARQ delay (max)
t
LR
120
40
35
35
35
ns
-IOWR to DMARQ delay
(max)
t
LW
40
40
35
35
35
ns
Figure 11: TrueIDE Mode Multiword DMA Timing Diagram