RX634 Datasheet, PDF (77/106 Pages) Renesas Technology Corp – 54 MHz 32-bit RX MCU with FPU, 90 DMIPS, up to 2-Mbyte flash memory

RX634 Group
5. Electrical Characteristics
CSRWAIT:2
RDON:1
CSON:0
TW1
TW2
BCLK
Byte write strobe mode
tAD
A23 to A0
1-write strobe mode
tAD
A23 to A1
tBCD
BC1#, BC0#
Common to both byte write strobe
mode and 1-write strobe mode
CS3# to CS0#
RD# (Read)
tCSD
tRSD
CSPRWAIT:2
RDON:1
Tend
Tpw1
Tpw2
CSPRWAIT:2
RDON:1
Tend
Tpw1
Tpw2
CSPRWAIT:2
RDON:1
Tend
Tpw1
Tpw2
Tend
CSROFF:2
Tn1
Tn2
tAD
tAD
tAD
tAD
tAD
tAD
tAD
tAD
tBCD
tRSD
tRSD
tRSD
tRSD
tRSD
tRSD
tRSD
tCSD
D15 to D0 (Read)
tRDS
tRDH
tRDS
tRDH
tRDS
tRDH
tRDS
tRDH
Figure 5.15 External Bus Timing/Page Read Cycle (Bus Clock Synchronized)
CSWWAIT:2
WRON:1
WDON:1^*1
CSON:0 T_W1
TW2
CSPWWAIT:2
Tend
WRON:1
WDOFF:1^*1 WDON:1^*1
Tdw1
Tpw1
Tpw2
CSPWWAIT:2
Tend
WRON:1
WDOFF:1^*1 _WDON:1^*1
Tdw1
Tpw1
Tpw2
CSWOFF:2
Tend
WDOFF:1^*1
Tn1
Tn2
BCLK
Byte write strobe mode
tAD
tAD
tAD
tAD
A23 to A0
1-write strobe mode
tAD
tAD
tAD
tAD
A23 to A1
tBCD
tBCD
BC1#, BC0#
Common to both byte write strobe
mode and 1-write strobe mode
tCSD
tCSD
CS3# to CS0#
tWRD
tWRD
tWRD
tWRD
tWRD
tWRD
WR1#, WR0#, WR# (Write)
tWDD
D15 to D0 (Write)
tWDH
tWDD
tWDH
tWDD
tWDH
Note 1. Set the values of WDON and WDOFF to 1 or greater.
Figure 5.16 External Bus Timing/Page Write Cycle (Bus Clock Synchronized)
R01DS0255EJ0100 Rev.1.00
Feb 25, 2015
Page 77 of 106