Renesas SH7781 User Manual
Page 1621
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32. Electrical Characteristics
Rev.1.00 Jan. 10, 2008 Page 1591 of 1658
REJ09B0261-0100
A25 to A0
D31 to D0
(Read)
(SA: IO
← memory)
Legend:
IO: DACK
device
SA:
Single-address DMA transfer
DA:
Dual-address DMA transfer
Note: DACK is configured as active-high.
CLKOUT
RD/
WR
CSn
RD
WEn
BS
RDY
DACKn
(DA)
TS1
T1
T2
TH1
t
RSD
t
RSD
t
WED1
t
WEDF
t
WED1
t
CSD
t
CSD
t
DACD
t
BSD
t
BSD
t
DACD
t
RWD
t
RWD
t
RSD
t
AD
t
AD
t
RDH
t
RDS
DACKn
t
DACD
t
DACD
Figure 32.25 Memory Byte Control SRAM Bus Cycle: Basic Read Cycle
(CSnWCR.IW = 0000, CSnWCR.RDS = 001, CSnWCR.WTS = 001, CSnWCR.RDH = 001,
CSnWCR.WTH = 001)
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