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PMR1—Port mode register 1
Bit
IRQ3
Initial value
Read/Write
R/W
P1 /IRQ /TMIC pin function switch
6
0 Functions as P1 I/O pin
1 Functions as IRQ /TMIC input pin
1
P1 /IRQ /TMIF pin function switch
7
3
0 Functions as P1 I/O pin
1 Functions as IRQ /TMIF input pin
1
Note: * IRQ2 and PWM are functions of the H8/3857 Group only.
In the H8/3854 Group these bits are reserved, and must always be cleared to 0.
7
6
5
IRQ2 *
IRQ1
0
0
0
R/W
R/W
P1 /TMOFL pin function switch
0 Functions as P1 I/O pin
1 Functions as TMOFL output pin
P1 /TMOFH pin function switch
2
0 Functions as P1 I/O pin
1 Functions as TMOFH input pin
P1 /PWM pin function switch
4
0 Functions as P1 I/O pin
1 Functions as PWM output pin
P1 /IRQ /TMIB pin function switch
5
1
0 Functions as P1 I/O pin
5
1 Functions as IRQ /TMIB input pin
2
6
2
7
3
4
3
⎯
PWM *
0
0
⎯
R/W
P1 /TMOW pin function switch
0
0 Functions as P1 I/O pin
1 Functions as TMOW output pin
1
1
2
4
1
Rev.3.00 Jul. 19, 2007 page 491 of 532
Appendix B Internal I/O Registers
H'C8
2
1
TMOFH
TMOFL
0
0
R/W
R/W
0
REJ09B0397-0300
I/O ports
0
TMOW
0
R/W
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