SH7055S Datasheet, PDF (711/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

• Bit 13—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 12—PF14 Mode Bit (PF14MD): Selects the function of pin PF14/BACK.
Bit 12: PF14MD
0
1
Description
Expanded Mode
Single-Chip Mode
General input/output (PF14)
(Initial value)
General input/output (PF14)
(Initial value)
Bus acknowledge output (BACK) General input/output (PF14)
• Bit 11—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 10—PF13 Mode Bit (PF13MD): Selects the function of pin PF13/CS3.
Bit 10: PF13MD
0
1
Expanded Mode
General input/output (PF13)
(Initial value)
Chip select output (CS3)
Description
Single-Chip Mode
General input/output (PF13)
(Initial value)
General input/output (PF13)
• Bit 9—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 8—PF12 Mode Bit (PF12MD): Selects the function of pin PF12/CS2.
Bit 8: PF12MD
0
1
Expanded Mode
General input/output (PF12)
(Initial value)
Chip select output (CS2)
Description
Single-Chip Mode
General input/output (PF12)
(Initial value)
General input/output (PF12)
• Bit 7—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 6—PF11 Mode Bit (PF11MD): Selects the function of pin PF11/CS1.
Bit 6: PF11MD
0
1
Expanded Mode
General input/output (PF11)
(Initial value)
Chip select output (CS1)
Description
Single-Chip Mode
General input/output (PF11)
(Initial value)
General input/output (PF11)
Rev.2.0, 07/03, page 673 of 960