SH7211 Datasheet, PDF (907/1228 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family

Section 20 I/O Ports
20.5 Usage Note
When the PFC selects the following pin functions, the pin state cannot be read by accessing data
registers or port registers.
• A25 to A0 (address bus)
• D15 to D0 (data bus)
• BS
• CS7 to CS0
• RD/WR
• WE1/DQMLU and WE0/DQMLL
• RASL and CASL
• CKE
• WAIT
• BREQ
• BACK
• MRES
Rev. 2.00 May. 08, 2008 Page 883 of 1200
REJ09B0344-0200