SH7727 Datasheet, PDF (1032/1109 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

Section 32 Electrical Characteristics
Tr Trw Tc1 Tc2 Tc3 Tc4/Td1 Td2 Td3 Td4 (Tpc)
CKIO
t_AD
A25 to A16
A12 or A10
A15 to A0
CSn
Row address
t_AD
t_AD
t_AD
t_AD t_AD
Row
address
Read command
t_AD t_AD
t_AD
Row
address
t_CSD1
Column address (1-4)
t_RWD
RD/WR
RAS
t_RASD2
t_RASD2
t_CASD2
t_CASD2
t_AD
t_CSD1
t_RWD
CAS
DQMxx
t_DQMD
D31 to D0
(read)
BS
t_RDS2 t_RDH2
t_BSD
t_DQMD
t_RDS2 t_RDH2
t_BSD
CKE
DACKn
t_DAKD1
(High)
t_DAKD1
Figure 32.26 Synchronous DRAM Read Bus Cycle (Burst Read (Single Read × 4), RCD = 1,
CAS Latency = 3, TPC = 0)
Rev. 5.00 Dec 12, 2005 page 960 of 1034
REJ09B0254-0500