参数资料
型号: MPC8308-RDB
厂商: Freescale Semiconductor
文件页数: 7/36页
文件大小: 0K
描述: BOARD REF DESIGN MPC8308
产品培训模块: MPC8308 PowerQUICC II Pro Processor
标准包装: 1
系列: PowerQUICC II™ PRO
类型: MPU
适用于相关产品: MPC8308
所含物品: 板,线缆,文档,电源,软件
Board-Level Functions
2
Board-Level Functions
The board-level functions includes reset, external interrupts, clock distribution, DDR SDRAM controller,
local bus controller, I 2 C interfaces, SD memory card interface, USB interface, eTSEC1 and eTSEC2
10/100/1000 BaseT interface, dual RS-232 ports, PCI Express, and COP/JTAG.
2.1
Reset and Reset Configurations
The MPC8308_RDB reset module generates a single reset to the MPC8308 and other peripherals on the
board. The reset unit provides power-on reset, hard reset, and soft reset signals in compliance with the
MPC8308 hardware specification. Figure 3 shows the reset circuitry. Notice the following:
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PORESET (Power-on reset) is generated by the Micrel MIC811 device. When MR is deasserted
and 3.3 V is ready, the MIC811 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
MPC8308. Push button reset interfaces the MR signal with debounce capability to produce a
manual master PORESET
PORESET (Power-on reset) is optionally generated by the MC9S08 MCU device by monitoring
the 3.3V voltage level
HRESET (Hard reset) is generated either by the MPC8308 or the COP/JTAG port.
COP/JTAG port reset provides convenient hard-reset capability for a COP/JTAG controller. The
HRESET 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. The arrangement shown in Figure 3 allows
the COP to independently assert HRESET or TRST, while ensuring that the MPC8308 can drive
HRESET as well.
PowerQUICC? MPC8308_RDB User’s Guide, Rev. 3
Micetek International Inc.
7
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相关代理商/技术参数
参数描述
MPC8308-RDB-PROMO 制造商:Freescale 功能描述:Motherboards MPC8308 PowerQuicc II DDR2 10Mbps/100Mbps/1000Mbps Linux Kernel
MPC8308-SOM 功能描述:开发板和工具包 - 其他处理器 For MPC8308 Ethernet USB 32bit 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:
MPC8308VMADD 功能描述:微处理器 - MPU E300 MP PbFr 266 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
MPC8308VMADDA 功能描述:微处理器 - MPU E300 MP PbFr 266 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
MPC8308VMAFD 功能描述:微处理器 - MPU E300 MP PbFr 333 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