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25.3.4
Direct Memory Access Controller Timing
Table 25.8
Direct Memory Access Controller Timing (Conditions: V
CC
= 5.0 V ± 10%,
AV
CC
= 5.0 V ± 10%, AV
CC
= V
CC
± 10%, AV
ref
= 4.5 V to AV
CC
, V
SS
= AV
SS
= 0
V, Ta = – 20 to +75
°
C)
Item
Symbol
Min
Max
Unit
Figure
DREQ0
and
DREQ1
setup time
t
DRQS
18
—
ns
25.20
DREQ0
and
DREQ1
hold time
t
DRQH
18
—
ns
DREQ0
and
DREQ1
pulse width t
DRQW
1.5
—
t
cyc
25.21
DRAK output delay time
t
DRAKD
—
18
ns
25.22
CK
t
DRQS
t
DRQS
t
DRQS
t
DRQH
DREQ0
DREQ1
Level clear
DREQ0
DREQ1
Level
DREQ0
DREQ1
Edge
Figure 25.20
DREQ0
and
DREQ1
Input Timing (1)
Summary of Contents for SH7041 Series
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