Renesas H8/3847R Series Hardware Manual page 260

Section 8 I/O Ports
Bit 4: TMIG noise canceler select (NCS)
This bit controls the noise canceler for the input capture input signal (TMIG).
Bit 4
NCS Description
0 Noise cancellation function not used
1 Noise cancellation function used
Bit 3: P4 /IRQ pin function switch (IRQ0)
3 0
This bit selects whether pin P4
Bit 3
IRQ0 IRQ
IRQ IRQ
Description
0 Functions as P4
Functions as IRQ
1
Bit 2: P3 /RESO pin function switch (RESO)
2
This bit selects whether pin P3
Bit 2
RESO RESO RESO RESO
Description
0 Functions as P3
Functions as RESO output pin
1
In the H8/38347 Group and H8/38447 Group this bit is reserved and cannot be written to.
Bit 1: P3 /UD pin function switch (UD)
1
This bit selects whether pin P3
Bit 1
UD Description
0 Functions as P3
1 Functions as UD input pin
Rev. 6.00 Aug 04, 2006 page 222 of 680
REJ09B0145-0600
/IRQ is used as P4
3 0 3
input pin
3
input pin
0
/RESO is used as P3
2 2
I/O pin
2
/UD is used as P3 or as UD.
1 1
I/O pin
1
or as IRQ
.
0
or as RESO.
(initial value)
(initial value)
(initial value)
(initial value)