Datasheet

Section 22 Electrical Characteristics
Rev.6.00 Sep. 27, 2007 Page 955 of 1268
REJ09B0220-0600
(4) DMAC Timing
Note: The DMAC is not supported in the H8S/2321.
Table 22.8 DMAC 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, φ = 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, φ = 2 MHz to 25 MHz, T
a
= –20°C to 75°C (regular specifications),
T
a
= –40°C to 85°C (wide-range specifications)
Condition A Condition B
Item Symbol Min Max Min Max Unit
Test
Conditions
DREQ setup time t
DRQS
30 — 25 — ns Figure 22.19
DREQ hold time t
DRQH
10 — 10 —
TEND delay time t
TED
— 20 — 18 Figure 22.18
DACK delay time 1 t
DACD1
— 20 — 18 ns
DACK delay time 2 t
DACD2
— 20 — 18
Figures 22.16
and 22.17