HD64F2357VF13 Datasheet, PDF (747/1049 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

ø
t_BRQOD
t_BRQOD
BREQO
Figure 22-49 External Bus Request Output Timing
(4) DMAC Timing
Table 22-17 lists the DMAC timing.
Table 22-17 DMAC Timing
Conditions:
V_CC = 5.0 V ± 10%, AV_CC = 5.0 V ± 10%, V_ref = 4.5 V to AV_CC,
V_SS = AV_SS = 0 V, ø = 10 to 20 MHz, T_a = –20 to +75°C (regular specifications),
T_a = –40 to +85°C (wide-range specifications)
Item
DREQ setup time
DREQ hold time
TEND delay time
DACK delay time 1
DACK delay time 2
Symbol
t _DRQS
t _DRQH
t _TED
t _DACD1
t _DACD2
Condition
Min
Max
30
—
10
—
—
20
—
20
—
20
Unit
ns
ns
Test
Conditions
Figure 22-53
Figure 22-52
Figure 22-50,
Figure 22-51
Rev.6.00 Oct.28.2004 page 717 of 1016
REJ09B0138-0600H