RX230 Datasheet, PDF (123/177 Pages) Renesas Technology Corp – 54-MHz 32-bit RX MCUs, built-in FPU, 88.56 DMIPS, up to 512-KB flash memory

RX230 Group, RX231 Group
5. Electrical Characteristics
Byte-write strobe mode
1-write strobe mode
CSWWAIT:2
WRON:1
WDON:1^*1
CSON:0
T_W1
T_W2
BCLK
t_AD
A23 to A0
tAD
A23 to A1
t_BCD
BC1#, BC0#
CSWOFF:2
WDOFF:1^*1
T_end
T_n1
T_n2
t_AD
tAD
t_BCD
Common to byte-write strobe mode and
1-write strobe mode
t_CSD
t_CSD
CS3# to CS0#
tWRD
WR1#, WR0#, WR# (Write)
t_WDD
D15 to D0 (Write)
tWRD
t_WDH
Note 1. Be sure to specify WDON and WDOFF as at least one cycle of BCLK.
Figure 5.39 External Bus Timing/Normal Write Cycle (Bus Clock Synchronization)
R01DS0261EJ0110 Rev.1.10
Oct 30, 2015
Page 123 of 177