mpc8313e Freescale Semiconductor, Inc, mpc8313e Datasheet - Page 69

• Manufacturer Part Number: mpc8313e
• Description: Mpc8313e Powerquicc Ii Pro Processor
• Manufacturer: Freescale Semiconductor, Inc

19 Clocking
Figure 39
1
2
Freescale Semiconductor
GTX_CLK125
125-MHz source
USB_CR_CLK_IN
SYS_CR_CLK_IN
USB_CLK_IN
USB_CR_CLK_OUT
SYS_CLK_IN
SYS_CR_CLK_OUT
Multiplication factor M = 1, 1.5, 2, 2.5, and 3.
Multiplication factor L = 2, 3, 4, 5 and 6. Value is decided by RCWLR[SPMF].
Crystal
Crystal
CFG_CLKIN
_DIV
shows the internal distribution of clocks within the MPC8313E.
MPC8313E PowerQUICC
Converter
Protocol
eTSEC
MPC8313E
USB Mac
USB PHY
mux
/1,/2
PLL
x L
System
Figure 39. MPC8313E Clock Subsystem
PLL
2
e300c3 core
™
Divider (÷2)
PCI Clock
II Pro Processor Hardware Specifications, Rev. 0
Clock
csb_clk
Unit
csb_clk to rest
of the device
x M
ddr_clk
lbc_clk
Core PLL
To local bus
1
to DDR
memory
controller
Sys Ref
Clock
Divider
DDR
Clock
Divider
/n
LBC
1
0
/2
core_clk
RTC
3
MEMC_MCK
MEMC_MCK
LCLK[0:1]
PCI_CLK_OUT[0:2]
PCI_CLK/
PCI_SYNC_IN
RTC_CLK (32 KHz)
PCI_SYNC_OUT
Local Bus
Memory
Device
DDR
Memory
Device
Clocking
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