SH7619 Datasheet, PDF (196/836 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7619 Series

Section 7 Bus State Controller (BSC)
Figures 7.12 and 7.13 show an example of the connection of the SDRAM with the LSI.
This LSI
A15
A2
CKE
CKIO
CSn
64-Mbit SDRAM
(1 Mword x 16 bits x 4 banks)
A13
A0
CKE
CLK
CS
RAS
CAS
RD/WR
D31
D16
DQMUU
DQMUL
D15
D0
DQMLU
DQMLL
RAS
CAS
WE
I/O15
I/O0
DQMU
DQML
A13
A0
CKE
CLK
CS
RAS
CAS
WE
I/O15
I/O0
DQMU
DQML
Figure 7.12 Example of 32-Bit Data-Width SDRAM Connection
Rev. 5.00 Mar. 15, 2007 Page 158 of 794
REJ09B0237-0500