406
DMAC and EXDMAC Timing
Table 7.7
DMAC and EXDMAC Timing
Condition A*: V
CC
= 2.7 V to 3.6 V, AV
CC
= 2.7 V to 3.6 V, V
ref
= 2.7 V to AV
CC
,
V
SS
= AV
SS
= 0 V, ø = 2 MHz to 20 MHz, T
a
= –20°C to +75°C (regular
specifications), T
a
= –40°C to +85°C (wide-range specifications)
Condition B:
V
CC
= 3.0 V to 3.6 V, AV
CC
= 3.0 V to 3.6 V, V
ref
= 3.0 V to AV
CC
,
V
SS
= AV
SS
= 0 V, ø = 2 MHz to 33 MHz, T
a
= –20°C to +75°C (regular
specifications), T
a
= –40°C to +85°C (wide-range specifications)
* In planning stage
Condition A
Condition B
Test
Item
Symbol
Min
Max
Min
Max
Unit
Conditions
DREQ
setup time
t
DRQS
30
—
25
—
ns
Figure7.27
DREQ
hold time
t
DRQH
10
—
10
—
TEND
delay time
t
TED
—
20
—
18
ns
Figure7.26
DACK
delay time 1
t
DACD1
—
20
—
18
Figure7.24
DACK
delay time 2
t
DACD2
—
20
—
18
Figure7.25
EDREQ
setup time
t
EDRQS
30
—
25
—
ns
Figure7.27
EDREQ
hold time
t
EDRQH
10
—
10
—
ETEND
delay time
t
ETED
—
20
—
18
ns
Figure7.26
EDACK
delay time 1
t
EDACD1
—
20
—
18
Figure7.24
EDACK
delay time 2
t
EDACD2
—
20
—
18
Figure7.25
EDRAK
delay time
t
EDRKD
—
20
—
18
ns
Figure7.28
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