Renesas H8 Series Hardware Manual page 248

Section 8 I/O Ports
Bit 1—P3 /TMOFL Pin Function Switch (TMOFL)
1
This bit selects whether pin P3
Bit 1
TMOFL Description
0 Functions as P3
1 Functions as TMOFL output pin
Bit 0—P3 /UD Pin Function Switch (UD)
0
This bit selects whether pin P3
Bit 0
UD Description
0 Functions as P3
1 Functions as UD input pin
Rev. 7.00 Mar 10, 2005 page 206 of 652
REJ09B0042-0700
/TMOFL is used as P3
1
I/O pin
1
/UD is used as P3 or as UD.
0 0
I/O pin
0
or as TMOFL.
1
(initial value)
(initial value)