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| 型号： | MPC8349E-MITX-GP |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 7/36页 |
| 文件大小： | 0K |
| 描述： | KIT REFERENCE PLATFORM MPC8349E |
| 标准包装： | 1 |
| 系列： | PowerQUICC II™ PRO |
| 类型： | MPU |
| 适用于相关产品： | MPC8349E |
| 所含物品： | 模块和其他硬件 |
| 相关产品： | MPC8349ECZUAJFB-ND - IC MPU POWERQUICC II PRO 672TBGA MPC8349ECVVAJFB-ND - IC MPU POWERQUICC II PRO 672TBGA MPC8349CZUAJFB-ND - IC MPU POWERQUICC II PRO 672TBGA MPC8349CZUAJDB-ND - IC MPU POWERQUICC II PRO 672TBGA MPC8349CZUAGDB-ND - IC MPU POWERQUICC II PRO 672TBGA MPC8349CVVAJFB-ND - IC MPU POWERQUICC II PRO 672TBGA MPC8349CVVAJDB-ND - IC MPU POWERQUICC II PRO 672TBGA MPC8349CVVAGDB-ND - IC MPU POWERQUICC II 672TBGA MPC8349ZUAJDB-ND - IC MPU PWRQUICC II 672-TBGA MPC8349ZUAJFB-ND - IC MPU PWRQUICC II 672-TBGA 更多... |
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MPC8349E-mITX-GP Board
Table 1. Clock Distribution
Clock Frequency
66.666 MHz
Module
MPC8349E CLKIN
Generated by
66.666 MHz oscillator
Description
The MPC834x uses CLKIN to generate the
PCI_SYNC_OUT clock signal, which is fed back
on the board through the PCI_SYNC_IN signal
to the internal system PLL. From the power-on
reset configuration, the CSB clock is generated
by the internal PLL and is fed to the e300 core
PLL for generating the e300 core clock. The
GPL5 (CFG_CLKIN_DIV) configuration input
selects whether CLKIN or CLKIN/2 is driven on
the PCI_SYNC_OUT signal. The GPL5 is tied to
jumper J22.D.
125 MHz
MPC8349E TSEC
VSC8201
For TSEC operation, a 125 MHz clock is
provided by the gigabit Ethernet PHY
(VSC8201) on the board.
133/166 MHz
DDR SDRAM
MPC8349E
The DDR memory controller is configured to use
the 1:1 mode CSB to DDR clock for the DDR
interface. The local bus clock uses CCB/n clock,
where n is configured from the LCRR register.
25 MHz
GBE PHY (VSC8201)
125 MHz oscillator
The 25 MHz oscillator generates the clock for
the VSC8201
33/66 MHz
PCI 32-bit slot
MPC8349E
The PCI module uses the PCI_SYNC_IN as its
clock source. The trace of the PCI_SYNC_IN/
PCI_SYNC_OUT signal is synchronized with all
the PCI signals of the PCI slots. The trace length
of the PCI_SYNC_IN/PCI_SYNC_OUT clock is
2.5 inches from the pin of the PowerQUICC II
Pro device to the PCI sockets.
24 MHz
32.768 KHz
USB PHY2 (USB3300)
RTC (DS1339)
24 MHz crystal
32.768 KHz crystal
1.2.4
DDR SDRAM Controller
MPC8349E uses DDR SDRAM as the system memory. The DDR interface uses the SSTL2 driver/receiver
and 2.5 V power. A Vref 2.5V/2 is needed for all SSTL2 receivers in the DDR interface. For details on
DDR timing design and termination, refer to the Freescale application note entitled Hardware and Layout
Design Considerations for DDR Memory Interfaces (AN2582). The termination scheme uses one series
resistor (R S ) from the MPC8349E to the memory and one termination resistor (R T ) attached to the
termination rail (V TT ). This approach is used in commodity PC motherboard designs.
The MPC8349E reads the DIMM SPD data using the DIMM SCL (clock) and the SDA (data) signals
through the I2C2 interface. Figure 5 shows the DDR SDRAM controller connection.
MPC8349E-mITX-GP Reference Design Platform User’s Guide, Rev. 0
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
7
相关PDF资料 |
PDF描述 |
|---|---|
| MPC8349E-MITXE | BOARD REFERENCE FOR MPC8349 |
| MPC8377E-MDS-PB | BOARD MODULAR DEV SYSTEM |
| MPC8569E-MDS-PB | BOARD MOD DEV SYSTEM MPC8569 |
| MPC8572EAMC | MPC8572 AMC RAPID SYSTEM |
| MPQ-ARM | ISP 4PORT FOR ARM CORTEX MCU |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC8349E-MITX-GP | 制造商:Freescale Semiconductor 功能描述:MPC8349e-MITX-GP Industrial Re |
| MPC8349EVVAGD | 功能描述:IC MPU PWRQUICC II PRO 672-TBGA RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微处理器 系列:MPC83xx 标准包装:1 系列:MPC85xx 处理器类型:32-位 MPC85xx PowerQUICC III 特点:- 速度:1.2GHz 电压:1.1V 安装类型:表面贴装 封装/外壳:783-BBGA，FCBGA 供应商设备封装:783-FCPBGA（29x29） 包装:托盘 |
| MPC8349EVVAGDB | 功能描述:微处理器 - MPU 8349 TBGA NO PB W/ ENC RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324 |
| MPC8349EVVAGFB | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MPC8349EVVAJD | 功能描述:IC MPU PWRQUICC II PRO 672-TBGA RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微处理器 系列:MPC83xx 标准包装:1 系列:MPC85xx 处理器类型:32-位 MPC85xx PowerQUICC III 特点:- 速度:1.2GHz 电压:1.1V 安装类型:表面贴装 封装/外壳:783-BBGA，FCBGA 供应商设备封装:783-FCPBGA（29x29） 包装:托盘 |
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