Datasheet

R01DS0098EJ0180 Rev.1.80 Page 156 of 208
May 13, 2014
RX63N Group, RX631 Group 5. Electrical Characteristics
Figure 5.24 SDRAM Space Single Read Bus Timing
t
AD2
SDCLK pin
A18 to A0
SDCS#
AP*
1
DQMn
D31 to D0
RAS#
CAS#
WE#
CKE
Note 1: Address pins for output of the precharge-setting command (Precharge-sel) for SDRAM.
t
DQMD
(High)
Row
Address
Column Address
SDRAM command ACT RD PRA
t
AD2
t
CSD2
t
RASD
t
AD2
t
AD2
t
CSD2
t
RASD
t
AD2
t
AD2
t
CSD2
t
RASD
t
AD2
t
AD2
t
CSD2
t
RASD
t
WED
t
WED
t
CSD2
t
CSD2
t
CASD
t
CASD
t
RDS2
t
RDH2
PRA
Command