SH7727 Datasheet, PDF (1035/1109 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

Section 32 Electrical Characteristics
CKIO
A25 to A16
A12 or A10
A15 to A0
CSn
RD/WR
RAS
CAS
DQMxx
D31 to D0
BS
Tr
Tc1
Tc2
Tc3
Tc4 (Trwl) (Tpc) (Tpc)
t_AD
t_AD
Row address
t_AD
t_AD
t_AD
t_AD
Row
address
t_AD
t_AD
Write command
Write A
command
t_AD
Row
address
t_CSD1
Column address (1-4)
t_CSD1
t_RWD
t_RWD
t_RWD
t_RASD2 t_RASD2
t_CASD2
t_CASD2
t_DQMD
t_DQMD
t_WDD2
t_WDD2
t_BSD
t_WDH2
t_BSD
CKE
DACKn
t_DAKD1
(High)
t_DAKD1
Figure 32.29 Synchronous DRAM Write Bus Cycle (Burst Mode (Single Write × 4),
RCD = 0, TPC = 1, TRWL = 0)
Rev. 5.00 Dec 12, 2005 page 963 of 1034
REJ09B0254-0500