Clock Module
MCF52235 ColdFire® Integrated Microcontroller Reference Manual, Rev. 6
Freescale Semiconductor
7-3
Figure 7-1. Clock Module Block Diagram
EXTAL
CLKSRC
PLL
Low Power
Divider
LPD[3:0]
Ref Clock
0
1
PPMRH[11]
CFM
PPMRH[9]
PWM
PPMRH[8]
GPT
PPMRH[7]
ADC
PPMRH[4:3]
PPMRH[1]
Edge Port
PPMRH[0]
GPIO / Ports
STOP
MODE
CLKOUT
PPMRL[18:17]
Interrupt Controllers
PPMRL[16:13]
DMA Timers
PPMRL[10]
QSPI
PPMRL[9]
I
2
C
PPMRL[7:5]
UARTs
PPMRL[4]
DMA
ColdFire V2 Core
BDM
PITs
DISCLK
PPMRL[1]
÷
2
System Clock (f
sys
)
Pre-
Divider
CCHR
MHz
OSCILLATOR
XTAL
PPMRL[21]
FEC
PPMRH[13]
RNGA
PPMRH[10]
FlexCAN
WDOG
PLL Bypass Clock
PPMRH[12]
EPHY
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:MCF52234CVM60,
MCF52235CVM60
