MPC8349E-mITX-GP Reference Design Platform User’s Guide, Rev. 0
6
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
MPC8349E-mITX-GP Board
1.2.3
Clock Distribution
Figure 4
and
Table 1
show the clock distribution on the MPC8349E-mITX-GP board.
Figure 4. MPC8349E-mITX-GP Clock Scheme
MPC8349E
Local Bus CLK
DDR SDRAM
CLK
LCLKx
MCKx
DS1339
GND
GND
32.768 KHz
Crystal
MCKx
125 MHz
133 MHz
33 MHz to 133 MHz
TSEC
local bus
DLL
DDR
DLL
PCI
DIV
66.666 MHz
OSC
CLKIN
33/66 MHz
32-bit PCI Slot
OCCR
2
GPL5
PCI_SYNC_OUT
PCI_SYNC_IN
System
PLL
CFG_CLKIN_DIV
USB3300
GND
GND
24 MHz
Crystal
VSC8201
25 MHz
OSC