HD64F7050 RENESAS [Renesas Technology Corp], HD64F7050 Datasheet - Page 686
HD64F7050
Manufacturer Part Number
HD64F7050
Description
32-Bit RISC Microcomputer SuperH RISC engine Family/
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD64F7050.pdf
(841 pages)
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Section 22 Electrical Characteristics
22.3.4
Table 22.7 Direct Memory Access Controller Timing
Conditions: V
Item
DREQ0 and DREQ1 setup time
DREQ0 and DREQ1 hold time
DREQ0 and DREQ1 pulse width
DRAK output delay time
Rev. 5.00 Jan 06, 2006 page 666 of 818
REJ09B0273-0500
Direct Memory Access Controller Timing
Ta = –40 to +85 C
level release
CC
= 5.0 V ± 10%, AV
DREQ0,
DREQ0,
DREQ0,
DREQ1
DREQ1
DREQ1
edge
Figure 22.11 DREQ0 and DREQ1 Input Timing (1)
level
CK
Symbol
t
t
t
t
DRQS
DRQH
DRQW
DRAKD
CC
= 5.0 V ± 10%, AV
t
t
t
DRQS
DRQS
DRQS
Min
27
30
1.5
—
t
DRQH
REF
= 4.5 V to AV
Max
—
—
—
25
Unit
ns
ns
t
ns
cyc
CC
, V
SS
= AV
Figure
22.11
22.12
22.13
SS
= 0 V,
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