RX71M_15 Datasheet, PDF (162/228 Pages) Renesas Technology Corp – Renesas MCUs

RX71M Group
5. Electrical Characteristics
CSRWAIT:2
RDON:1
CSON:0
TW1
TW2
BCLK
Byte strobe mode
tAD
A23 to A0
1-write strobe mode
tAD
A23 to A1
tBCD
BC3# to BC0#
Common to both byte strobe mode
and 1-write strobe mode
CS7# to CS0#
RD# (Read)
tCSD
tRSD
CSPRWAIT:2
RDON:1
CSPRWAIT:2
RDON:1
CSPRWAIT:2
RDON:1
CSROFF:2
Tend
Tpw1
Tpw2
Tend
Tpw1
Tpw2
Tend
Tpw1
Tpw2
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 5.20 External Bus Timing/Page Read Cycle (Bus Clock Synchronized)
Byte strobe mode
CSWWAIT:2
WRON:1
WDON:1 ^*1
CSON:0 T_W1
TW2
BCLK
tAD
A23 to A0
1-write strobe mode
tAD
A23 to A1
tBCD
BC3# to BC0#
Common to both byte strobe mode
and 1-write strobe mode
CS7# to CS0#
tCSD
tWRD
WR3# to WR0#, WR# (Write)
tWDD
D31 to D0 (Write)
CSPWWAIT:2
WDOFF:1 ^*1
Tend
Tdw1
WRON:1
WDON:1 ^*1
Tpw1
Tpw2
tAD
tAD
tWRD
tWRD
tWDH
tWDD
WDOFF:1 ^*1
Tend
Tdw1
CSPWWAIT:2
WRON:1
WDON:1 ^*1
Tpw1
Tpw2
CSWOFF:2
Tend
WDOFF:1 ^*1
Tn1
Tn2
tAD
tAD
tWRD
tWRD
tWDH
tWDD
tWRD
tWDH
tAD
tAD
tBCD
tCSD
Note 1. Be sure to specify WDON and WDOFF as at least one cycle of BCLK.
Figure 5.21 External Bus Timing/Page Write Cycle (Bus Clock Synchronized)
R01DS0249EJ0100 Rev.1.00
Jan 15, 2015
Page 162 of 228