SH7065 Datasheet, PDF (670/941 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Section 17 Pin Function Controller (PFC)
Bit 9—Reserved: This bit is always read as 0 and should only be written with 0.
Bit 8—PA20 Mode (PA20MD): Selects the function of the PA20/CS0 pin.
Bit 8: PA20MD
0
1
Description
General input/output (PA20) (CS0 in on-chip ROM disabled modes)
(Initial value)
Chip select output (CS0) (PA20 in single-chip mode)
Bit 7—Reserved: This bit is always read as 0 and should only be written with 0.
Bit 6—PA19 Mode (PA19MD): Selects the function of the PA19/BS pin.
Bit 6: PA19MD
0
1
Description
General input/output (PA19) (BS in on-chip ROM disabled modes)
(Initial value)
Bus start output (BS) (PA19 in single-chip mode)
Bit 5—Reserved: This bit is always read as 0 and should only be written with 0.
Bit 4—PA18 Mode (PA18MD): Selects the function of the PA18/RD pin.
Bit 4: PA18MD
0
1
Description
General input/output (PA18) (RD in on-chip ROM disabled modes)
(Initial value)
Read output (RD) (PA18 in single-chip mode)
Bit 3—Reserved: This bit is always read as 0 and should only be written with 0.
Bit 2—PA17 Mode (PA17MD): Selects the function of the PA17/WR pin.
Bit 2: PA17MD
0
1
Description
General input/output (PA17)
Write output (WR) (PA17 in single-chip mode)
(Initial value)
Rev. 5.00 Sep 11, 2006 page 648 of 916
REJ09B0332-0500