SH7059 Datasheet, PDF (688/1042 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

22. Pin Function Controller (PFC)
• Bits 12 and 11—PF14 Mode Bit 0, 1 (PF14MD0, PF14MD1): Selects the function of pin PF14/BACK/SCS0.
Bit 12: PF14MD0
0
1
Bit 11: PF14MD1
0
1
0
1
Description
Expanded Mode
Single-Chip Mode
General input/output (PF14)
(Initial value)
General input/output (PF14)
(Initial value)
Reserved (Do not set)
Bus acknowledge output (BACK)
Chip select input/output (SCS0)
General input/output (PF14)
Reserved (Do not set)
• 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)
• Bit 5—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 4—PF10 Mode Bit (PF10MD): Selects the function of pin PF10/CS0.
Bit 4: PF10MD
0
1
Expanded Mode
General input/output (PF10)
Chip select output (CS0)
(Initial value)
Description
Single-Chip Mode
General input/output (PF10)
General input/output (PF10)
(Initial value)
• Bit 3—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 2—PF9 Mode Bit (PF9MD): Selects the function of pin PF9/RD.
Rev.3.00 Mar. 12, 2008 Page 598 of 948
REJ09B0177-0300