Clock Definitions - NXP Semiconductors freescale KV4 Series Reference Manual

Table of Contents

High-level device clocking diagram

System oscillator

CG — Clock gate

Note: See subsequent sections for details on where these clocks are used.

6.2.1 Clock definitions

The following table describes the clocks in the previous block diagram.

CPU clock / System clock

Figure 6-1. Clocking diagram

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KV4x Reference Manual, Rev. 2, 02/2015

MCGOUTCLK divided by OUTDIV1 clocks the ARM Cortex-

M4 core, RAM, DMA, GPIO, FMC module, and crossbar

switch bus masters.

SIM_SOPT1, SIM_SOPT2

Clock options for

some peripherals

system (CPU) clock

fast peripheral clock

Bus /Flash clock

nano-edge2x clock

OSCERCLK_UNDIV

Freescale Semiconductor, Inc.