Renesas SH7781 - Manual (Page 1605)

32. Electrical Characteristics
Rev.1.00 Jan. 10, 2008 Page 1575 of 1658
REJ09B0261-0100
CLKOUT
A25 to A0
CSn
RD
RD/ WR
D31 to D0
D31 to D0
(Write)
(Read)
DACKn
(SA: IO ← memory)
(SA: IO → memory)
DACKn
DACKn
(DA)
Legend:
IO: DACK
device
SA: Single-address DMA transfer
DA: Dual-address DMA transfer
Note: DACK is configured as active-high.
T1 T2
t
AD
t
AD
WEn
BS
RDY
t
DACD
t
DACD
t
DACD
t
DACD
t
DACDF
t
DACDF
t
DACD
t
WDD
t
WDD
t
WDD
t
BSD
t
BSD
t
WED1
t
WEDF
t
WEDF
t
RDH
t
RDS
t
RSD
t
RSD
t
RSD
t
CSD
t
CSD
t
RWD
t
RWD
Figure 32.9 SRAM Bus Cycle: Basic Bus Cycle (No Wait)