SH7206 Datasheet, PDF (998/1188 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 20 I/O Ports
20.8 Usage Notes
When the PFC selects the following pin functions, the pin state cannot be read by accessing data
registers or port registers.
• A25 to A21, A1, and A0 (address bus)
• D31 to D8 (data bus)
• BS
• CS8, CS7, CS4 to CS1, CS5/CE1A, CS6/CE1B, CE2A, and CE2B
• RD/WR
• WE3/DQMUU/ICIOWR/AH, WE2/DQMUL/ICIORD, WE1/DQMLU/WE, and
WE0/DQMLL
• RASU, RASL, CASU, and CASL
• CKE
• FRAME
• WAIT
• BREQ
• BACK
• IOIS16
• MRES
Rev. 3.00 Jun. 18, 2008 Page 974 of 1160
REJ09B0191-0300