Datasheet

R01DS0052EJ0140 Rev.1.40 Page 110 of 150
2014.07.16
RX62N Group, RX621 Group 5. Electrical Characteristics
Figure 5.20 SDRAM Space Mode Register Set Bus Timing
A18 to A0
SDCLK
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