Iii - 44 – Panasonic MN101C77C User Manual
Page 138

Chapter 3 Interrupts
III - 44
External Interrupts
■
Noise Filter Control Register 1 (NFCTR1)
The noise filter control register (NFCTR1) sets the noise remove function for IRQ2 to IRQ4.
Figure 3-3-5 Noise Filter Control Register 1 (NFCTR1 : x'03F8D', R/W)
0
1
2
4
5
6
7
3
( At reset : - - - - - 0 0 0)
NFCTR1
NF2EN
NF3EN
NF4EN
-
-
-
-
-
0
1
Noise filter OFF
IRQ2/ noise filter setup
Noise filter ON
NF2EN
0
1
Noise filter OFF
IRQ3/noise filter setup
IRQ4/noise filter setup
Noise filter ON
Noise filter OFF
Noise filter ON
* Sampling cycle is fosc only.
NF3EN
0
1
NF4EN
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