SH7205 Datasheet, PDF (1810/1904 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 33 Electrical Characteristics
Ts
T1
(ACT command)
T2
T3
(WR command)
T4
CKIO
A25 to A0
A12^*
SDCSn
RASL
t_AD2
t_AD2
Row
Address
t_AD2
t_AD2
t_CSD2
t_CSD2
t_RASD
t_RASD
CASL
Column Address
t_CSD2
t_CSD2
t_CASD
t_CASD
t_WED2
t_WED2
SDWE
CKE
t_DQMD
(High)
DQMn
t_WDD2
t_WDH2
D31 to D0
TS
T6
(PRA command)
t_AD2
t_AD2
t_AD2
t_AD2
PRA
command
t_CSD2
t_CSD2
t_AD2
t_AD2
Row
Address
t_AD2
t_AD2
t_CSD2
t_CSD2
t_RASD
t_RASD
t_RASD
t_RASD
t_WED2
t_WED2
t_DQMD
Note: * An address pin to be connected to pin A10 of SDRAM.
Figure 33.17 SDRAM Space: Single-Write Bus Timing
(DLC = 2 (2 Cycles), DRCD = 1 (2 Cycles), DPCG = 1 (2 Cycles))
Rev. 1.00 Mar. 25, 2008 Page 1778 of 1868
REJ09B0372-0100