Datasheet

R01DS0098EJ0180 Rev.1.80 Page 160 of 208
May 13, 2014
RX63N Group, RX631 Group 5. Electrical Characteristics
Figure 5.28 SDRAM Space Multiple Read Line Stride Bus Timing
R1
A18 to A0
SDCLK pin
SDCS#
AP*
1
DQMn
D31 to D0
RAS#
CAS#
WE#
CKE
SDRAM command
Note 1: Address pins for output of the precharge-setting command (Precharge-sel) for SDRAM.
ACT RDRDRDRDPRA ACT RDRDRDRDPRA
t
CASD
t
RASD
t
CSD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
AD2
t
CSD2
t
CSD2
t
CSD2
t
CSD2
t
CSD2
t
CSD2
t
CSD2
t
RASD
t
RASD
t
RASD
t
RASD
t
RASD
t
CASD
t
CASD
t
RASD
t
RASD
t
CASD
t
DQMD
t
RDS2
t
RDH2
t
RDS2
t
RDH2
t
RDS2
t
RDH2
t
RDS2
t
RDH2
(High)
Row
Address
C0 (Column
Address 0)
C1 C2 C3 C4 C5 C6 C7
PRA
command
PRA
command
t
WED
t
WED
t
WED
t
WED