NXP Semiconductors KE1xF Series, Reference Manual, Page: 793 / 1483

PORTx_DFER field descriptions (continued)
Field Description
0 Digital filter is disabled on the corresponding pin and output of the digital filter is reset to zero.
1 Digital filter is enabled on the corresponding pin, if the pin is configured as a digital input.
35.6.6 Digital Filter Clock Register (PORTx_DFCR)
The digital filter configuration is valid in all digital pin muxing modes.
Address: Base a C4h offset
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
0
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0
CS
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
PORTx_DFCR field descriptions
Field Description
31–1
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
0
CS
Clock Source
The digital filter configuration is valid in all digital pin muxing modes. Configures the clock source for the
digital input filters. Changing the filter clock source must be done only when all digital filters are disabled.
0 Digital filters are clocked by the bus clock.
1 Digital filters are clocked by the LPO clock.
35.6.7 Digital Filter Width Register (PORTx_DFWR)
The digital filter configuration is valid in all digital pin muxing modes.
Address: Base a C8h offset
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0
FILT
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Chapter 35 Port Control and Interrupts (PORT)
Kinetis KE1xF Sub-Family Reference Manual, Rev. 4, 06/2019
NXP Semiconductors 793