SH7032 Datasheet, PDF (575/687 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 20 Electrical Characteristics
T₁
CK
A21–A0
HBS, LBS
CSn
t_AD
t_CSD1
t_CSD2
t_WSD1
t_WSD4
WRH, WRL,
WR (Write)
DACK0
DACK1
(Write)
t_DACD1
t_DACD2
Figure 20.64 DMA Single Transfer/One-State Access Write
(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
Rev. 7.00 Jan 31, 2006 page 549 of 658
REJ09B0272-0700