HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 825

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

26.3.5
Table 26.7 shows direct memory access controller timing.
Table 26.7 Direct Memory Access Controller Timing
Conditions: V
Item
DREQ0, DREQ1 setup time
DREQ0, DREQ1 hold time
DREQ0, DREQ1 pulse width
DRAK0, DRAK1 output delay time
Direct Memory Access Controller (DMAC) Timing
level input
edge input
level cancel
AV
(regular specifications), T
When programming or erasing flash memory, T
DREQ0
DREQ1
DREQ0
DREQ1
DREQ0
DREQ1
CC
CK
ref
= PLLV
= 3.0 V to AV
Figure 26.12 DREQ0, DREQ1 Input Timing (1)
CC
=3.3 V ± 0.3 V, AV
CC
, V
SS
a
Symbol
t
t
t
t
= –40°C to +85°C (wide-range specifications),
= PLLV
DRQS
DRQH
DRQW
DRAKD
t
t
t
DRQS
DRQS
DRQS
CC
SS
= 3.3 V ± 0.3 V, AV
= AV
Min.
10
1.5 t
1.5
⎯
t
DRQH
SS
cyc
Rev.4.00 Mar. 27, 2008 Page 781 of 882
= 0 V, T
−10
a
= –20°C to +75°C.
Max.
⎯
⎯
⎯
30
a
= –20°C to +75°C
26. Electrical Characteristics
CC
= V
ns
ns
t
Unit
ns
cyc
CC
± 0.3 V,
REJ09B0108-0400
Figure
Figure 26.12
Figure 26.13
Figure 26.14