Datasheet

R01DS0041EJ0150 Rev.1.50 Page 163 of 221
Oct 18, 2013
RX210 Group 5. Electrical Characteristics
Figure 5.77 External Bus Timing/Normal Write Cycle (Bus Clock Synchronized)
A23 to A1
CS3# to CS0#
t
AD
BCLK
A23 to A0
Byte write strobe mode
1-write strobe mode
BC1#, BC0#
Common to both byte write strobe
mode and 1-write strobe mode
t
BCD
t
CSD
t
AD
t
AD
t
AD
D15 to D0 (Write)
WR1#, WR0#, WR# (Write)
t
WRD
t
WRD
t
WDH
t
WDD
T
W1
T
W2
T
end
T
n1
T
n2
WRON:1
WDON:1
*1
CSWWAIT:2
WDOFF:1
*1
CSON:0
Note 1. Set the values of WDON and WDOFF to 1 or greater.
t
BCD
t
CSD
CSWOFF:2