(4) DMAC Timing
Table 24.9 DMAC Timing
Conditions: V
= 3.0 V to 3.6 V, AV
CC
φ = 8 MHz to 33 MHz, T
T
= –40°C 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
t
Figure 24.23 External Bus Request Output Timing
= 3.0 V to 3.6 V, V
CC
= –20°C to +75°C (regular specifications),
a
Symbol
Min
t
25
DRQS
t
10
DRQH
t
—
TED
t
—
DACD1
t
—
DACD2
BRQOD
= 3.0 V to AV
ref
Max
—
—
18
18
18
t
BRQOD
, V
= AV
CC
SS
Unit
Test Conditions
ns
Figure 24.27
ns
Figure 24.26
Figures 24.24 and 24.25
Rev. 2.00, 05/03, page 759 of 820
= 0 V,
SS