Renesas H8S Series Hardware Manual page 745

ø
BREQO
(4) DMAC Timing
Table 22-17 lists the DMAC timing.
Table 22-17 DMAC Timing
= 5.0 V ± 10%, AV
Conditions: V
CC
V = AV
SS
T = –40 to +85°C (wide-range specifications)
a
Item
DREQ setup time
DREQ hold time
TEND delay time
DACK delay time 1
DACK delay time 2
Figure 22-49 External Bus Request Output Timing
= 5.0 V ± 10%, V
CC
= 0 V, ø = 10 to 20 MHz, T
SS
Symbol
t
DRQS
t
DRQH
t
TED
t
DACD1
t
DACD2
t
BRQOD
= 4.5 V to AV
ref
= –20 to +75°C (regular specifications),
a
Condition
Min Max
30 —
10 —
— 20
— 20
— 20
t
BRQOD
,
CC
Test
Unit Conditions
ns Figure 22-53
Figure 22-52
ns Figure 22-50,
Figure 22-51
Rev.6.00 Oct.28.2004 page 717 of 1016
REJ09B0138-0600H