SH7059 Datasheet, PDF (690/1042 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

22. Pin Function Controller (PFC)
• Bits 11 and 10—PF5 Mode Bits 1 and 0 (PF5MD1, PF5MD0): These bits select the function of pin PF5/A21/POD.
Bit 11: PF5MD1 Bit 10: PF5MD0 Expanded Mode
with ROM Disabled
0
0
Address output (A21)
(Initial value)
1
Address output (A21)
1
0
Address output (A21)
1
Reserved (Do not set)
Description
Expanded Mode
with ROM Enabled
Single-Chip Mode
General input/output
(PF5) (Initial value)
General input/output (PF5)
(Initial value)
Address output (A21)
General input/output (PF5)
Port output disable input (POD) Port output disable input
(POD)
Reserved (Do not set)
Reserved (Do not set)
• Bit 9—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 8—PF4 Mode Bit (PF4MD): Selects the function of pin PF4/A20.
Bit 8: PF4MD
0
1
Expanded Mode
with ROM Disabled
Address output (A20)
(Initial value)
Address output (A20)
Description
Expanded Mode
with ROM Enabled
General input/output (PF4)
(Initial value)
Address output (A20)
Single-Chip Mode
General input/output (PF4)
(Initial value)
General input/output (PF4)
• Bit 7—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 6—PF3 Mode Bit (PF3MD): Selects the function of pin PF3/A19.
Bit 6: PF3MD
0
1
Expanded Mode
with ROM Disabled
Address output (A19)
(Initial value)
Address output (A19)
Description
Expanded Mode
with ROM Enabled
General input/output (PF3)
(Initial value)
Address output (A19)
Single-Chip Mode
General input/output (PF3)
(Initial value)
General input/output (PF3)
• Bit 5—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 4—PF2 Mode Bit (PF2MD): Selects the function of pin PF2/A18.
Bit 4: PF2MD
0
1
Expanded Mode
with ROM Disabled
Address output (A18)
(Initial value)
Address output (A18)
Description
Expanded Mode
with ROM Enabled
General input/output (PF2)
(Initial value)
Address output (A18)
Single-Chip Mode
General input/output (PF2)
(Initial value)
General input/output (PF2)
• Bit 3—Reserved: This bit is always read as 0. The write value should always be 0.
• Bit 2—PF1 Mode Bit (PF1MD): Selects the function of pin PF1/A17.
Rev.3.00 Mar. 12, 2008 Page 600 of 948
REJ09B0177-0300