SH7144_08 Datasheet, PDF (209/930 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series

9. Bus State Controller (BSC)
This LSI
CSn
RD
A0
A1 to 17
WRH
D8 to 15
WRL
D0 to 7
128k × 8-bit
SRAM
CS
OE
A0 to16
WE
I/O0 to 7
CS
OE
A0 to 16
WE
I/O0 to 7
Figure 9.14 Example of 16-bit Data Bus Width SRAM Connection
This LSI
CSn
RD
A0
A1
A2 to 18
WRHH
D24 to 31
WRHL
D16 to 23
WRH
D8 to 15
WRL
D0 to 7
128k × 8-bit
SRAM
CS
OE
A0 to 16
WE
I/O0 to 7
CS
OE
A0 to 16
WE
I/O0 to 7
CS
OE
A0 to 16
WE
I/O0 to 7
CS
OE
A0 to 16
WE
I/O0 to 7
Figure 9.15 Example of 32-bit Data Bus Width SRAM Connection (only for SH7145)
Rev.4.00 Mar. 27, 2008 Page 165 of 882
REJ09B0108-0400