Datasheet

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