Panasonic MN103S

Chapter 5
Interrupt Controller
V - 44 Noise Filter Function
5.4.5 Noise Filter Control Registers
This register is used to specify how to control noise filters, that is , specify whether to enable or disable noise fil-
ter for external interrupts as desired.
■ Noise Filter Control Register (NFCNT: 0x0000A054) [8, 16-bit access register]
bp 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Flag -------NF
CNT8
NF
CNT7
NF
CNT6
NF
CNT5
NF
CNT4
NF
CNT3
NF
CNT2
NF
CNT1
NF
CNT0
At reset 0000000 0 0 0 0 0 0 0 0 0
Access RRRRRRRR/WR/WR/WR/WR/WR/WR/WR/WR/W
bp Flag Description Set condition
15-9 - - -
8 NFCNT8
IRQ8 noise filter enable/disable 0: Disabled
1: Enabled
7 NFCNT7
IRQ7 noise filter enable/disable 0: Disabled
1: Enabled
6 NFCNT6
IRQ6 noise filter enable/disable 0: Disabled
1: Enabled
5 NFCNT5
IRQ5 noise filter enable/disable 0: Disabled
1: Enabled
4 NFCNT4
IRQ4 noise filter enable/disable 0: Disabled
1: Enabled
3 NFCNT3
IRQ3 noise filter enable/disable 0: Disabled
1: Enabled
2 NFCNT2
IRQ2 noise filter enable/disable 0: Disabled
1: Enabled
1 NFCNT1
IRQ1 noise filter enable/disable 0: Disabled
1: Enabled
0 NFCNT0
IRQ0 noise filter enable/disable 0: Disabled
1: Enabled