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Figure 28-4. Crystal/Ceramic Resonator Connections - Connection 3
28.7 External Clock Connections
In external clock mode, the pins can be connected as shown in the figure found here.
XTAL can be used as a GPIO when the GPIO alternate function
is configured for it.
28.8 Memory Map/Register Definitions
Some oscillator module register bits are typically incorporated into other peripherals such
as MCG or SIM.
Freescale Semiconductor, Inc.
OSC
EXTAL
C
x
Crystal or Resonator
NOTE
OSC
XTAL
I/O
Figure 28-5. External Clock Connections
KL27 Sub-Family Reference Manual , Rev. 5, 01/2016
V
XTAL
SS
C
y
R
F
V
EXTAL
SS
Clock Input
Chapter 28 Oscillator (OSC)
447
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