SH7055S Datasheet, PDF (721/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

• Bit 9—PH9 Mode Bit (PH9MD): Selects the function of pin PH9/D9.
Bit 9:
PH9MD
0
1
Description
Expanded Mode Expanded Mode
with ROM Disabled with ROM Disabled Expanded Mode
Area 0: 8 Bits
Area 0: 16 Bits
with ROM Enabled Single-Chip Mode
General input/output Data input/output
(PH9)
(D9)
(Initial value)
(Initial value)
General input/output General input/output
(PH9)
(PH9)
(Initial value)
(Initial value)
Data input/output
(D9)
Data input/output
(D9)
Data input/output
(D9)
General input/output
(PH9)
• Bit 8—PH8 Mode Bit (PH8MD): Selects the function of pin PH8/D8.
Bit 8:
PH8MD
0
1
Description
Expanded Mode Expanded Mode
with ROM Disabled with ROM Disabled Expanded Mode
Area 0: 8 Bits
Area 0: 16 Bits
with ROM Enabled Single-Chip Mode
General input/output Data input/output
(PH8)
(D8)
(Initial value)
(Initial value)
General input/output General input/output
(PH8)
(PH8)
(Initial value)
(Initial value)
Data input/output
(D8)
Data input/output
(D8)
Data input/output
(D8)
General input/output
(PH8)
• Bit 7—PH7 Mode Bit (PH7MD): Selects the function of pin PH7/D7.
Bit 7:
PH7MD
0
1
Expanded Mode
with ROM Disabled
Data input/output (D7)
(Initial value)
Data input/output (D7)
Description
Expanded Mode
with ROM Enabled
General input/output (PH7)
(Initial value)
Data input/output (D7)
Single-Chip Mode
General input/output (PH7)
(Initial value)
General input/output (PH7)
Rev.2.0, 07/03, page 683 of 960