Renesas SH7641 - Manual (Page 983)

Section 25 Electrical Characteristics
Rev. 4.00 Sep. 14, 2005 Page 933 of 982
REJ09B0023-0400
Th
t
AD1
t
RSD
t
RSD
t
RDS1
t
CSD1
T1 Twx T2 Tf
t
RWD1
t
WDD1
t
BSD
t
RWD1
t
RWD1
t
WDH1
t
RDH1
t
AD1
t
CSD1
CKIO
A25 to A0
CSn
WEn
RD
D31 to D0
D31 to D0
Read
RD/ WR
RD/ WR
BS
WAIT
DACKn,
TENDn*
Note: * Waveform for DACKn and TENDn when active low is selected.
Write
t
DACD
t
DACD
t
BSD
t
WTS1
t
WTS1
t
WED2
t
WED2
t
RWD1
t
WTH1
t
WTH1
Figure 25.21 Byte-Selection SRAM Bus Cycle (SW = 1 Cycle, HW = 1 Cycle, One
Asynchronous External Wait Cycle, BAS = 1 (Write Cycle WE Control))