Information

5.7 Module clocks
The following table summarizes the clocks associated with each module.
Table 5-2. Module clocks
Module Bus interface clock Internal clocks I/O interface clocks
Core modules
ARM Cortex-M4 core System clock Core clock
NVIC System clock
DAP System clock
ITM System clock
ETM System clock TRACE clock TRACE_CLKOUT
ETB System clock
cJTAG, JTAGC JTAG_CLK
System modules
DMA System clock
DMA Mux Bus clock
Port control Bus clock LPO
Crossbar Switch System clock
Peripheral bridges System clock Bus clock
MPU System clock
LLWU, PMC, SIM Bus clock LPO
Mode controller Bus clock
MCM System clock
EWM Bus clock LPO
Watchdog timer Bus clock LPO
Clocks
MCG Bus clock MCGOUTCLK,
MCGPLLCLK, MCGFLLCLK,
MCGIRCLK, OSCERCLK
OSC Bus clock OSCERCLK
Memory and memory interfaces
Flash Controller System clock Flash clock
Flash memory Flash clock
FlexBus System clock FB_CLKOUT
EzPort System clock EZP_CLK
Security
Table continues on the next page...
Chapter 5 Clock Distribution
K10 Sub-Family Reference Manual, Rev. 6, Nov 2011
Freescale Semiconductor, Inc. 169