SH7211 Datasheet, PDF (1122/1228 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family

Section 27 Electrical Characteristics
Bφ = 40 MHz*¹
Item
Symbol Min.
Max.
Unit Figure
CAS delay time 1
t
1
20
ns
Figures 27.20 to
CASD1
27.36
CAS delay time 2
DQM delay time 1
t_CASD2
t_DQMD1
1/2t_cyc
1
1/2t_cyc + 20 ns
20
ns
Figures 27.37, 27.38
Figures 27.20 to
27.33
DQM delay time 2
CKE delay time 1
CKE delay time 2
AH delay time
Multiplexed address delay
time
t_DQMD2
t_CKED1
t_CKED2
t
AHD
t_MAD
1/2t_cyc
1
1/2t_cyc
1/2t
cyc
—
1/2t_cyc + 20 ns
20
ns
1/2t_cyc + 20 ns
1/2t + 20 ns
cyc
20
ns
Figures 27.37, 27.38
Figure 27.35
Figure 27.38
Figure 27.16
Figure 27.16
Multiplexed address hold time t
1
MAH
DACK, TEND delay time
t
—
DACD
—
ns
Refer to ns
peripheral
modules
Figure 27.16
Figures 27.12 to
27.33, 27.37
Note:
*
The maximum value (f ) of Bφ (external bus clock) depends on the number of wait
max
cycles and the system configuration of your board.
Rev. 2.00 May. 08, 2008 Page 1098 of 1200
REJ09B0344-0200