SH7125 Datasheet, PDF (556/782 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer

Section 15 Pin Function Controller (PFC)
Initial
Bit
Bit Name Value R/W Description
14
PB3MD2 0
13
PB3MD1 0
R/W PB3 Mode
R/W Select the function of the PB3/IRQ1/POE1/TIC5V pin.
12
PB3MD0 0
R/W 000: PB3 I/O (port)
001: IRQ1 input (INTC)
010: POE1 input (POE)
011: TIC5V input (MTU2)
Other than above: Setting prohibited
11 to 7 
All 0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
6
PB1MD2 0
R/W PB1 Mode
5
PB1MD1 0
R/W Select the function of the PB1/TIC5W pin.
4
PB1MD0 0
R/W 000: PB1 I/O (port)
011: TIC5W input (MTU2)
Other than above: Setting prohibited
3 to 0 
All 0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
Rev. 3.00 Sep. 27, 2007 Page 536 of 758
REJ09B0243-0300