NXP Semiconductors KE1xF Series, Reference Manual, Page: 69 / 1483

SIM_CHIPCTL field descriptions
Field Description
31–20
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
19–18
RTC_CLKSEL
RTC clock select
00 OSC32_CLK
01 RTC_CLKIN
10 SOSC_CLK
11 reserved
17–16
PWT_CLKSEL
PWT clock select
00 TCLK0
01 TCLK1
10 TCLK2
11 reserved
15
CAN_FLT_CLK_
SEL
CAN filter clock select
0 LPO clock
1 SIRC clock
14
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
13
PDB_BB_SEL
PDB back-to-back select
Selects ADC COCO source as pdb back-to-back mode, see Back-to-back acknowledgement connections
for details.
0 PDB0 channel 0 back-to-back operation with ADC0 COCO[7:0]; PDB1 channel 0 back-to-back
operation with ADC1 COCO[7:0] ; PDB2 channel 0 back-to-back operation with ADC2 COCO[7:0].
1 Channel 0 of PDB0, PDB1 and PDB2 back-to-back operation with COCO[7:0] of ADC0, ADC1 and
ADC2.
12
TRACECLK_SEL
Debug trace clock select
Selects core clock or platform clock as the trace clock source.
NOTE: The platform clock has the same frequency as the core clock, but they have different phases.
0 core clock
1 platform clock
11
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
10–8
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
7–6
CLKOUTSEL
CLKOUT Select
Selects the clock to output on the CLKOUT pin.
00 Reserved
01 SCGCLKOUT(SIRC/FIRC/SOSC/LPFLL), see the SCG_CLKOUTCNFG register
10 RTC oscillator (OSC32) clock (32 kHz)
11 LPO clock (128 kHz)
Table continues on the next page...
Chapter 5 System Integration Module (SIM)
Kinetis KE1xF Sub-Family Reference Manual, Rev. 4, 06/2019
NXP Semiconductors 69