HD6417034 Datasheet, PDF (582/691 Pages) Renesas Technology Corp – SuperH RISC ENGINE SH7032 AND SH7034

(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
Item
DREQ0, DREQ1 setup time
DREQ0, DREQ1 hold time
DREQ0, DREQ1 Pulse width
Symbol
t_DRQS
t_DRQH
t_DRQW
12.5 MHz
Min Max
80
—
30
—
1.5 —
20 MHz
Min Max
27
—
30
—
1.5 —
Unit
ns
ns
t_cyc
Figure
20.65
20.66
CK
DREQ0, DREQ1
level
t_DRQS
t_DRQS t_DRQH
DREQ0, DREQ1
edge
DREQ0, DREQ1
level release
t_DRQS
Figure 20.65 DREQ0, DREQ1 Input Timing (1)
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