Renesas H8/3847R Series Hardware Manual page 246

8-bit single-chip microcomputer super low power
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Section 8 I/O Ports
Bit 5: P1
/IRQ
/TMIC pin function switch (IRQ1)
5
1
This bit selects whether pin P1
Bit 5
IRQ1
Description
0
Functions as P1
Functions as IRQ
1
Note: Rising or falling edge sensing can be designated for IRQ
For details of TMIC pin setting, see 1. Timer mode register C (TMC) in section 9.3.2.
Bit 4: P1
/IRQ
/ADTRG pin function switch (IRQ4)
4
4
This bit selects whether pin P1
Bit 4
IRQ4
Description
0
Functions as P1
Functions as IRQ
1
Note: For details of ADTRG pin setting, see section 12.3.2, Start of A/D Conversion by External
Trigger Input.
Bit 3: P1
/TMIG pin function switch (TMIG)
3
This bit selects whether pin P1
Bit 3
TMIG
Description
0
Functions as P1
1
Functions as TMIG input pin
Bit 2: P1
/TMOFH pin function switch (TMOFH)
2
This bit selects whether pin P1
Bit 2
TMOFH
Description
0
Functions as P1
1
Functions as TMOFH output pin
Rev. 6.00 Aug 04, 2006 page 208 of 680
REJ09B0145-0600
/TMIC is used as P15 or as IRQ
/IRQ
5
1
I/O pin
5
/TMIC input pin
1
/IRQ
/ADTRG is used as P1
4
4
I/O pin
4
/ADTRG input pin
4
/TMIG is used as P1
3
I/O pin
3
/TMOFH is used as P1
2
I/O pin
2
/TMIC.
1
/TMIC.
1
or as IRQ
/ADTRG.
4
4
or as TMIG.
3
or as TMOFH.
2
(initial value)
(initial value)
(initial value)
(initial value)

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