Information
OSCx_CR field descriptions
Field Description
7
ERCLKEN
External Reference Enable
Enables external reference clock (OSCERCLK).
0 External reference clock is inactive.
1 External reference clock is enabled.
6
Reserved
This read-only field is reserved and always has the value zero.
5
EREFSTEN
External Reference Stop Enable
Controls whether or not the external reference clock (OSCERCLK) remains enabled when MCU enters
Stop mode.
0 External reference clock is disabled in Stop mode.
1 External reference clock stays enabled in Stop mode if ERCLKEN is set before entering Stop mode.
4
Reserved
This read-only field is reserved and always has the value zero.
3
SC2P
Oscillator 2 pF Capacitor Load Configure
Configures the oscillator load.
0 Disable the selection.
1 Add 2 pF capacitor to the oscillator load.
2
SC4P
Oscillator 4 pF Capacitor Load Configure
Configures the oscillator load.
0 Disable the selection.
1 Add 4 pF capacitor to the oscillator load.
1
SC8P
Oscillator 8 pF Capacitor Load Configure
Configures the oscillator load.
0 Disable the selection.
1 Add 8 pF capacitor to the oscillator load.
0
SC16P
Oscillator 16 pF Capacitor Load Configure
Configures the oscillator load.
0 Disable the selection.
1 Add 16 pF capacitor to the oscillator load.
25.8 Functional Description
This following sections provide functional details of the module.
Functional Description
K20 Sub-Family Reference Manual, Rev. 2, Feb 2012
472 Freescale Semiconductor, Inc.
