Hitachi SH7032 - DMAC Timing

546
(4) DMAC Timing
Table 20.21 DMAC Timing
Conditions: V
CC
= 3.3 V ±0.3V, AV
CC
= 3.3 V ±0.3V, AV
CC
= V
CC
±0.3V, AV
ref
= 3.0 V to
AV
CC
, V
SS
= AV
SS
= 0 V, Ta = –20 to +75°C
*
Notes: * Regular-specification products; for wide-temperature-range products, Ta = –40 to +85°C
12.5 MHz 20 MHz
Item Symbol Min Max Min Max Unit Figure
DREQ0, DREQ1 setup time t
DRQS
80 — 27 — ns 20.65
DREQ0, DREQ1 hold time t
DRQH
30 — 30 — ns
DREQ0, DREQ1 Pulse width t
DRQW
1.5 — 1.5 — t
cyc
20.66
t
DRQS
t
DRQS
CK
DREQ0, DREQ1
level
DREQ0, DREQ1
edge
t
DRQS
t
DRQH
DREQ0, DREQ1
level release
Figure 20.65 DREQ0, DREQ1 Input Timing (1)