Renesas H8 Series Hardware Manual page 247

Port Mode Register 3 (PMR3)
Bit 7
AEVL
Initial value 0
Read/Write R/W
PMR3 is an 8-bit read/write register, controlling the selection of pin functions for port 3 pins.
Bit 7—P3 /AEVL Pin Function Switch (AEVL)
7
This bit selects whether pin P3
Bit 7
AEVL Description
0 Functions as P3
1 Functions as AEVL input pin
Bit 6—P3 /AEVH Pin Function Switch (AEVH)
6
This bit selects whether pin P3
Bit 6
AEVH Description
0 Functions as P3
1 Functions as AEVH input pin
Bits 5 to 3—Reserved
These bits are reserved; they can only be written with 0.
Bit 2—P3 /TMOFH Pin Function Switch (TMOFH)
2
This bit selects whether pin P3
Bit 2
TMOFH Description
0 Functions as P3
1 Functions as TMOFH output pin
6 5

AEVH

0
R/W W
/AEVL is used as P3
7
I/O pin
7
/AEVH is used as P3
6
I/O pin
6
/TMOFH is used as P3
2
I/O pin
2
4 3 2
 
TMOFH
 
0
W W R/W
or as AEVL.
7
or as AEVH.
6
or as TMOFH.
2
Rev. 7.00 Mar 10, 2005 page 205 of 652
Section 8 I/O Ports
1 0
TMOFL UD
0 0
R/W R/W
(initial value)
(initial value)
(initial value)
REJ09B0042-0700