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
IRQ
IRQ
IRQ
0
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
RESO
RESO
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
Содержание H8/38342
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