SH7050 Datasheet, PDF (505/841 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/

Section 16 Pin Function Controller (PFC)
Bits 14 and 13—PB11 Mode Bits 1 and 0 (PB11MD1, PB11MD0): These bits select the
function of pin PB11/A21/POD.
Bit 14: Bit 13: Expanded Mode
PB11MD1 PB11MD0 with ROM Disabled
0
0
Address output (A21)
(Initial value)
1
Address output (A21)
1
0
Address output (A21)
1
Reserved
Description
Expanded Mode
with ROM Enabled
General input/output
(PB11)
(Initial value)
Address output (A21)
Port output disable
input (POD)
Reserved
Single-Chip Mode
General input/output
(PB11)
(Initial value)
General input/output
(PB11)
Port output disable
input (POD)
Reserved
Bit 12—PB10 Mode Bit (PB10MD): Selects the function of pin PB10/A20.
Bit 12:
PB10MD
0
1
Expanded Mode
with ROM Disabled
Address output (A20)
(Initial value)
Address output (A20)
Description
Expanded Mode
with ROM Enabled
Single-Chip Mode
General input/output (PB10) General input/output (PB10)
(Initial value)
(Initial value)
Address output (A20)
General input/output (PB10)
Bit 11—PB9 Mode Bit (PB9MD): Selects the function of pin PB9/A19.
Bit 11:
PB9MD
0
1
Expanded Mode
with ROM Disabled
Address output (A19)
(Initial value)
Address output (A19)
Description
Expanded Mode
with ROM Enabled
General input/output (PB9)
(Initial value)
Address output (A19)
Single-Chip Mode
General input/output (PB9)
(Initial value)
General input/output (PB9)
Rev. 5.00 Jan 06, 2006 page 485 of 818
REJ09B0273-0500