Block Diagram; Memory Map And Register Definition - NXP Semiconductors MKL27Z128VFM4 Reference Manual

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Memory map and register definition

27.1.2 Block diagram

The block diagram of MCG_Lite is as follows.
USB
OSC
EXTAL
PAD
Crystal
OSC
27.2 Memory map and register definition
The MCG_Lite module contains several fields for selecting the clock source and the
dividers for various module clocks.
The MCG_Lite registers can be written only in supervisor
mode. Write accesses in user mode are blocked and will result
in a bus error.
434
HIRC
TRIMs
48 MHz
HIRCEN
TRIMs
LIRC
IRCLKEN
8 MHz /
IREFSTEN
2 MHz
IRCS
EREFS0
HGO0 / RANGE0
Figure 27-1. MCG_Lite block diagram
NOTE
KL27 Sub-Family Reference Manual , Rev. 5, 01/2016
MCG_Lite
CLKS
LIRC
Glitchless
DIV1
Clock Switcher
IRCS
FCRDIV
LIRC
DIV2
LIRC_DIV2
CLKST OSCINIT
Freescale Semiconductor, Inc.
MCGPCLK
MCGOUTCLK
LIRC_DIV1_CLK
MCGIRCLK
LIRC_CLK

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