RX630_15 Datasheet, PDF (120/156 Pages) Renesas Technology Corp – Renesas MCUs

RX630 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
BC3# to BC0#
Common to both byte write strobe
mode and 1-write strobe mode
CS7# to CS0#
RD# (Read)
tBCD
tCSD
tRSD
CSPRWAIT:2
RDON:1
Tend
Tpw1
Tpw2
CSPRWAIT:2
RDON:1
Tend
Tpw1
Tpw2
Tend
CSROFF:2
Tn1
Tn2
CSROFF:2
Tend
Tn1
Tn2
tAD
tAD
tAD
tAD
tAD
tAD
tAD
tAD
tBCD
tRSD
tRSD
tRSD
tRSD
tRSD
tRSD
tRSD
tCSD
D31 to D0 (Read)
tRDS
tRDH
tRDS
tRDH
tRDS
tRDH
tRDS
tRDH
Figure 5.21 External Bus Timing/Page Read Cycle (Bus Clock Synchronized)
CSWWAIT:2
WRON:1
WDON:1*¹
CSON:0 T_W1
TW2
CSPWWAIT:2
WDOFF:1*¹
Tend
Tdw1
WRON:1
WDON:1*¹
Tpw1
Tpw2
WDOFF:1*¹
Tend
Tdw1
CSPWWAIT:2
WRON:1
WDON:1*¹
Tpw1
Tpw2
CSWOFF:2
WDOFF:1*¹
Tend
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
BC3# to BC0#
Common to both byte write strobe
mode and 1-write strobe mode
tCSD
tCSD
CS7# to CS0#
tWRD
tWRD
tWRD
tWRD
tWRD
tWRD
WR3# to WR0#, WR# (Write)
tWDD
D31 to D0 (Write)
tWDH
tWDD
tWDH
tWDD
tWDH
Note 1. Be sure to specify WDON and WDOFF as at least one cycle of BCLK.
Figure 5.22 External Bus Timing/Page Write Cycle (Bus Clock Synchronized)
R01DS0060EJ0160 Rev.1.60
May 19, 2014
Page 120 of 154