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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
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
Description
0
Functions as P3
Functions as RESO output pin
1
Bit 1: P3
/UD pin function switch (SI1)
1
This bit selects whether pin P3
Bit 1
UD
Description
0
Functions as P3
1
Functions as UD input pin
146
/IRQ
is used as P4
3
0
input pin
3
input pin
0
/RESO is used as P3
2
I/O pin
2
/UD is used as P3
or as UD.
1
1
I/O pin
1
or as IRQ
.
3
0
or as RESO.
2
(initial value)
(initial value)
(initial value)
(initial value)
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