参数资料
型号: TWR-MPC8309
厂商: Freescale Semiconductor
文件页数: 65/81页
文件大小: 0K
描述: TOWER SYSTEM MODULE MPC8309
设计资源: TWR-MPC8309 Schematic
标准包装: 1
系列: PowerQUICC II™ PRO
类型: MPU
适用于相关产品: Freescale 电源塔系统
所含物品: 板,线缆
Clocking
23 Clocking
The following figure shows the internal distribution of clocks within the MPC8309.
MPC8309
e300c3 core
Rest of the System
Core PLL
core_clk
/n
csb_clk
to DDR
memory
controller
Clock
ddr_clk
DDR
Clock
Divider
/2
MEMC_MCK
MEMC_MCK
DDR
Memory
Device
System
Unit
lbc_clk
/n
PLL
SYS_XTAL_OUT
CRYSTAL
csb_clk to rest
to local bus
LBC
Clock
Divider
LCLK[0:1]
Local Bus
Memory
Device
SYS_XTAL_IN
of the device
PCI_SYNC_IN
SYS_CLK_IN
PCI_SYNC_OUT
PCI Clock Divider
CFG_CLKIN_DIV
PCI_CLK[0:2]
QE_CLK_IN
QE PLL
CLK Gen
qe_clk
QE Block
Figure 45. MPC8309 clock subsystem
The primary clock source for the MPC8309 can be one of three inputs,Crystal(SYS_XTAL_IN ),
SYS_CLK_IN or PCI_SYNC_IN, depending on whether the device is configured in PCI host or PCI agent
mode, respectively.
MPC8309 PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 3
Freescale Semiconductor
65
相关PDF资料
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TWR-PXN20-KIT TOWER SYSTEM KIT PXN20
TWR-PXS2010-KIT TOWER SYSTEM KIT PXS2010
TWR-PXS3020-KIT TOWER SYSTEM KIT PXS3020
TWR-S08DC-PT60 TOWER SYSTEM BOARD S08PT60
TWR-S08JE128-KIT KIT TOWER FOR MC9S08JE
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