Datasheet

R01DS0041EJ0150 Rev.1.50 Page 164 of 221
Oct 18, 2013
RX210 Group 5. Electrical Characteristics
Figure 5.78 External Bus Timing/Page Read Cycle (Bus Clock Synchronized)
Figure 5.79 External Bus Timing/Page Write Cycle (Bus Clock Synchronized)
A23 to A1
CS3# to CS0#
t
AD
BCLK
A23 to A0
D15 to D0 (Read)
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
RD# (Read)
t
RSD
t
RSD
t
RDH
t
RDS
t
AD
T
W1
T
W2
T
end
T
pw1
T
pw2
t
AD
t
AD
t
RSD
t
RSD
t
RDH
t
RDS
t
RSD
t
RSD
t
RDH
t
RDS
T
end
T
pw1
T
pw2
T
end
T
n1
T
n2
t
AD
t
AD
t
AD
t
AD
RDON:1
CSRWAIT:2
CSROFF:2
t
RSD
t
RSD
t
RDH
t
RDS
t
AD
t
AD
CSPRWAIT:2
T
pw1
T
pw2
T
end
RDON:1
CSPRWAIT:2
RDON:1
CSPRWAIT:2
RDON:1
CSON:0
t
BCD
t
CSD
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
W1
D15 to D0 (Write)
WR1#, WR0#, WR# (Write)
t
WRD
t
WRD
t
WDH
t
WDD
T
W2
T
end
T
pw1
T
pw2
t
AD
t
AD
t
WRD
t
WRD
t
WDH
t
WDD
t
WRD
t
WRD
t
WDH
t
WDD
T
dw1
T
end
T
pw1
T
pw2
T
end
T
n1
T
n2
T
dw1
t
AD
t
AD
t
AD
t
AD
WRON:1
WDON:1
*1
CSWWAIT:2
CSPWWAIT:2
WDOFF:1
*1
CSPWWAIT:2
WDOFF:1
*1
WDOFF:1
*1
CSON:0
WRON:1
WDON:1
*1
WRON:1
WDON:1
*1
Note 1. Set the values of WDON and WDOFF to 1 or greater.
t
BCD
t
CSD
CSWOFF:2