SH7144 Datasheet, PDF (567/773 Pages) Renesas Technology Corp – Hitachi SuperH RISC engine

Register Bit
PBCR2 13
PBCR2 12
PBCR2 11
PBCR2 10
PBCR2 9
PBCR2 8
PBCR1 11
PBCR2 7
PBCR2 6
Initial
Bit Name Value R/W
PB6MD1 0
R/W
PB6MD0 0
R/W
PB5MD1 0
R/W
PB5MD0 0
R/W
PB4MD1 0
R/W
PB4MD0 0
R/W
PB3MD2 0
R/W
PB3MD1 0
R/W
PB3MD0 0
R/W
Description
PB6 Mode
Select the function of the PB6/IRQ4/A18/BACK
pin.
00: PB6 I/O (port)
01: IRQ4 input (INTC)
10: A18 output (BSC)
11: BACK output (BSC)
PB5 Mode
Select the function of the PB5/IRQ3/POE3 pin.
00: PB5 I/O (port)
01: IRQ3 input (INTC)
10: POE3 input (port)
11: Setting prohibited
PB4 Mode
Select the function of the PB4/IRQ2/POE2 pin.
00: PB4 I/O (port)
01: IRQ2 input (INTC)
10: POE2 input (port)
11: Setting prohibited
PB3 Mode
Select the function of the
PB3/IRQ1/POE1/SDA0 pin.
000: PB3 I/O (port)
001: IRQ1 input (INTC)
010: POE1 input (port)
011: Setting prohibited
100: SDA0 I/O (IIC)
101: Setting prohibited
110: Setting prohibited
111: Setting prohibited
Rev. 2.0, 09/02, page 527 of 732