HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 207

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

9.9
Since A21 to A18 function as input ports at power-on reset, take the procedure such as pulling
down as required.
Memory Connection Example
Figure 9.11 Example of 16-bit Data Bus Width ROM Connection
Figure 9.10 Example of 8-bit Data Bus Width ROM Connection
This LSI
This LSI
A0 to A14
D0 to D7
D0 to 15
A1 to 18
CSn
RD
CSn
RD
A0
32k × 8-bit ROM
CE
OE
A0 to A14
I/O0 to I/O7
256k × 16-bit
Rev.4.00 Mar. 27, 2008 Page 163 of 882
CE
OE
A0 to 17
I/O0 to 15
ROM
9. Bus State Controller (BSC)
REJ09B0108-0400