Datasheet

R01DS0098EJ0180 Rev.1.80 Page 161 of 208
May 13, 2014
RX63N Group, RX631 Group 5. Electrical Characteristics
Figure 5.29 SDRAM Space Mode Register Set Bus Timing
A18 to A0
SDCLK pin
SDCS#
AP*
1
DQMn
D31 to D0
RAS#
CAS#
WE#
CKE
SDRAM command
(Hi-Z)
(High)
t
CASD
t
RASD
t
CSD2
t
AD2
MRS
t
AD2
t
AD2
t
AD2
t
CASD
t
RASD
t
CSD2
Note 1: Address pins for output of the precharge-setting command (Precharge-sel) for SDRAM.
t
WED
t
WED