HD64F3687HV Datasheet, PDF (144/538 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Section 9 I/O Ports
9.1.1 Port Mode Register 1 (PMR1)
PMR1 switches the functions of pins in port 1 and port 2.
Initial
Bit
Bit Name Value R/W Description
7
IRQ3
0
R/W This bit selects the function of pin P17/IRQ3/TRGV.
6
IRQ2
0
0: General I/O port
1: IRQ3/TRGV input pin
R/W This bit selects the function of pin P16/IRQ2.
5
IRQ1
0
0: General I/O port
1: IRQ2 input pin
R/W This bit selects the function of pin P15/IRQ1/TMIB1.
4
IRQ0
0
0: General I/O port
1: IRQ1/TMIB1 input pin
R/W This bit selects the function of pin P14/IRQ0.
0: General I/O port
1: IRQ0 input pin
3
TXD2
0
R/W This bit selects the function of pin P72/TXD_2.
0: General I/O port
1: TXD_2 output pin
2
PWM
0
R/W This bit selects the function of pin P11/PWM.
0: General I/O port
1: PWM output pin
1
TXD
0
R/W This bit selects the function of pin P22/TXD.
0: General I/O port
1: TXD output pin
0
TMOW 0
R/W This bit selects the function of pin P10/TMOW.
0: General I/O port
1: TMOW output pin
Rev.5.00 Nov. 02, 2005 Page 110 of 500
REJ09B0027-0500