SH7720 Datasheet, PDF (409/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 9 Bus State Controller (BSC)
Figures 9.12 and 9.13 show examples of the connection of the SDRAM with the LSI.
This LSI
A15
A2
CKE
CKIO
CSn
64-Mbit SDRAM
(1M 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 9.12 Example of 32-Bit Data-Width SDRAM Connection
Rev. 3.00 Jan. 18, 2008 Page 347 of 1458
REJ09B0033-0300