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参数资料
型号： MPC8349E-MITXE
厂商： Freescale Semiconductor
文件页数： 4/48页
文件大小： 0K
描述： BOARD REFERENCE FOR MPC8349
产品培训模块： MPC834x PowerQUICC II Processors
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
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MPC8349CZUAGDB-ND - IC MPU POWERQUICC II PRO 672TBGA
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MPC8349ZUAJDB-ND - IC MPU PWRQUICC II 672-TBGA
MPC8349ZUAJFB-ND - IC MPU PWRQUICC II 672-TBGA
更多...
其它名称： MPC8349E-MITXE -ND
MPC8349E-mITXE Board
1.2
Board-Level Functions
The board-level functions discussed in this section are reset, interrupts, and clock distribution.
1.2.1
Reset and Reset Configurations
The MPC8349E-mITXE reset module generates a single reset to reset the MPC8349E and other
peripherals on the board. The reset unit provides power-on reset, hard reset, and soft reset signals in
compliance with the MPC8349E hardware specification. Figure 2 shows the reset circuitry.
SRESET from COP
TRST from COP
HRESET from COP
3.3 V
MR
MAX811
SRESET to MPC8349E
TRST to MPC8349E
MPC8349E
10/100/1000 PHY
USB PHYs
CF-CARD
PORESET to MPC8349E
Flash
Push Button
GND
Figure 2. Reset Circuitry of the MPC8349E
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Hard reset is generated either by the COP/JTAG port or the MPC8349E.
Power-on reset is generated by the Maxim MAX811 device. When MR is deasserted and 3.3 V is
ready, the MAX811 internal timeout guarantees a minimum reset active time of 150 ms before
PORESET is deasserted. This circuitry guarantees a 150 ms PORESET pulse width after 3.3 V
reaches the right voltage level, and this meets the specification of the PORESET input of
MPC834x.
COP/JTAG port reset provides convenient hard-reset capability for a COP/JTAG controller. The
RESET line is available at the COP/JTAG port connector. The COP/JTAG controller can directly
generate the hard-reset signal by asserting this line low.
Push button reset interfaces the MR signal with a debounce capability to produce a manual master
reset of the processor card.
Soft reset is generated by the COP/JTAG port. Assertion of SRESET causes the MPC8349E to
abort all current internal and external transactions and set most registers to their default values.
MPC8349E-mITXE Reference Design Platform User’s Guide, Rev. 2
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
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相关代理商/技术参数
参数描述
MPC8349E-MITXE 制造商:Freescale Semiconductor 功能描述:MPC8349E Reference Platform
MPC8349E-MITX-GP 功能描述:开发板和工具包 - 其他处理器 GP REF DESGN BRD FOR MPC RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压:
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
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