CHAPTER 14 PORT FUNCTIONS
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User’s Manual U14492EJ3V0UD
(3) Timer 3 noise elimination time selection register (NRC3)
The NRC3 register is used to set the clock source of timer 3 input pin noise elimination times.
This register can be read/written in 8-bit or 1-bit units.
7
0
NRC3
6
0
5
0
4
0
3
NRC33
2
NRC32
1
NRC31
0
NRC30
Address
FFFFF698H
Initial value
00H
Bit Position
Bit Name
Function
Selects the TO3/INTP31 pin noise elimination clock.
NRC33
NRC32
Noise elimination clock
0
0
f
XXTM3
/256
0
1
f
XXTM3
/128
1
0
f
XXTM3
/64
1
1
f
XXTM3
/32
3, 2
NRC33,
NRC32
Remark
f
XXTM3
: Clock selected by PRM03 register
Selects the TI3/INTP30/TCLR3 pin noise elimination clock.
NRC31
NRC30
Noise elimination clock
0
0
f
XXTM3
/16
0
1
f
XXTM3
/8
1
0
f
XXTM3
/4
1
1
f
XXTM3
/2
1, 0
NRC31,
NRC30
Remark
f
XXTM3
: Clock selected by PRM03 register
Содержание V850E/IA1 mPD703116
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