HD64F38024HV Datasheet, PDF (229/684 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip Microcomputer H8 Family/H8/300L Super Low Power Series

Port Mode Register 3 (PMR3)
Section 8 I/O Ports
Bit
7
6
5
4
3
2
1
0
AEVL AEVH
⎯
⎯
⎯ TMOFH TMOFL UD
Initial value
0
0
⎯
⎯
⎯
0
0
0
Read/Write
R/W
R/W
W
W
W
R/W R/W R/W
PMR3 is an 8-bit read/write register, controlling the selection of pin functions for port 3 pins.
Bit 7—P3₇/AEVL Pin Function Switch (AEVL)
This bit selects whether pin P3₇/AEVL is used as P3₇ or as AEVL.
Bit 7
AEVL
0
1
Description
Functions as P37 I/O pin
Functions as AEVL input pin
(initial value)
Bit 6—P3₆/AEVH Pin Function Switch (AEVH)
This bit selects whether pin P3₆/AEVH is used as P3₆ or as AEVH.
Bit 6
AEVH
0
1
Description
Functions as P36 I/O pin
Functions as AEVH input pin
(initial value)
Bits 5 to 3—Reserved
These bits are reserved; they can only be written with 0.
Bit 2—P3₂/TMOFH Pin Function Switch (TMOFH)
This bit selects whether pin P3₂/TMOFH is used as P3₂ or as TMOFH.
Bit 2
TMOFH
0
1
Description
Functions as P32 I/O pin
Functions as TMOFH output pin
(initial value)
Rev. 8.00 Mar. 09, 2010 Page 207 of 658
REJ09B0042-0800