Renesas H8S Series Hardware Manual page 774

ø
BREQO
(4) DMAC Timing
Table 22-29 lists the DMAC timing.
Table 22-29 DMAC Timing
Condition A: V = 2.7 V to 5.5 V, AV
CC
V = AV
SS
T = –40 to +85°C (wide-range specifications)
a
= 5.0 V ± 10%, AV
Condition B: V
CC
V = AV
SS
T = –40 to +85°C (wide-range specifications)
a
Condition C: V = 3.0 to 5.5 V, AV
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
Rev.6.00 Oct.28.2004 page 746 of 1016
REJ09B0138-0600H
Figure 22-81 External Bus Request Output Timing
= 2.7 V to 5.5 V, V
CC
= 0V, ø = 2 to 10 MHz, T
SS
= 5.0 V ± 10%, V
CC
= 0 V, ø = 2 to 20 MHz, T
SS
= 3.0 to 5.5 V, V
CC
= 0 V, ø = 2 to 13 MHz, T
SS
Condition A Condition B Condition C
Symbol Min
t 40
DRQS
t 10
DRQH
t —
TED
t —
DACD1
t —
DACD2
t
BRQOD
= 2.7 V to AV
ref
= –20 to +75°C (regular specifications),
a
= 4.5 V to AV
ref
= –20 to +75°C (regular specifications),
a
= 3.0 V to AV
ref CC
= –20 to +75°C (regular specifications),
a
Max Min Max
— 30 —
— 10 —
40 — 20
40 — 20
40 — 20
t
BRQOD
,
CC
,
CC
,
Test
Min Max Unit Conditions
40 — ns Figure 22-85
10 —
— 40 Figure 22-84
— 40 ns Figure 22-82,
Figure 22-83
— 40