|
SH7032 Datasheet, PDF (538/687 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer | |||
|
◁ |
Section 20 Electrical Characteristics
T1
CK
A21âA0
HBS, LBS
CSn
tAD
tCSD1
tCSD2
tWSD1
tWSD4
WRH, WRL,
WR (Write)
DACK0
DACK1
(Write)
tDACD1
tDACD2
Figure 20.33 DMA Single Transfer/One-State Access Write
(4) DMAC Timing
Table 20.8 DMAC Timing
Case A: VCC = 3.0 to 5.5 V, AVCC = 3.0 to 5.5 V, AVCC = VCC ±10%, AVref = 3.0 V to AVCC,
VSS = AVSS = 0 V, Ta = â20 to +75°C*
Case B: VCC = 5.0 V ±10%, AVCC = 5.0 V ±10%, AVCC = VCC ±10%, AVref = 4.5 V to AVCC,
VSS = AVSS = 0 V, Ta = â20 to +75°C*
Note: * Regular-specification products; for wide-temperature-range products, Ta = â40 to +85°C
Item
DREQ0, DREQ1 setup time
DREQ0, DREQ1 hold time
DREQ0, DREQ1 Pulse width
Case A
12.5 MHz
Symbol Min
Max
tDRQS 80
â
tDRQH 30
â
tDRQW 1.5
â
Case B
20 MHz
Min
Max
27
â
30
â
1.5
â
Unit
ns
ns
tcyc
Figure
20.34
20.35
Rev. 7.00 Jan 31, 2006 page 512 of 658
REJ09B0272-0700
|
▷ |