R01UH0822EJ0100 Rev.1.00
Page 214 of 1041
Jul 31, 2019
RX13T Group
14. Interrupt Controller (ICUb)
14.2.15
NMI Pin Digital Filter Setting Register (NMIFLTC)
NFCLKSEL[1:0] Bits (NMI Digital Filter Sampling Clock)
These bits select the cycle of the digital filter sampling clock for the NMI pin interrupt.
The sampling clock cycle can be selected from among the PCLK (every cycle), PCLK/8 (once every eight cycles),
PCLK/32 (once every 32 cycles), and PCLK/64 (once every 64 cycles).
For details of the digital filter, see
section 14.4.7, Digital Filter
.
Address(es): ICU.NMIFLTC 0008 7594h
b7
b6
b5
b4
b3
b2
b1
b0
—
—
—
—
—
—
NFCLKSEL[1:0]
Value after reset:
0
0
0
0
0
0
0
0
Bit
Symbol
Bit Name
Description
R/W
b1, b0
NMI Digital Filter Sampling
Clock
b1 b0
0 0: PCLK
0 1: PCLK/8
1 0: PCLK/32
1 1: PCLK/64
R/W
b7 to b2
—
Reserved
These bits are read as 0. The write value should be 0.
R/W