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MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 3

Freescale Semiconductor

Serial RapidIO

14.5.1

Compliance Test and Measurement Load

The AC timing and voltage parameters must be verified at the measurement point, as specified within 0.2

inches of the package pins, into a test/measurement load shown in Figure 52.

NOTE

The allowance of the measurement point to be within 0.2 inches of the

package pins is meant to acknowledge that package/board routing may

benefit from D+ and D– not being exactly matched in length at the package

pin boundary.

Figure 52. Compliance Test/Measurement Load

15 Serial RapidIO

This section describes the DC and AC electrical specifications for the RapidIO interface of the MPC8640,

for the LP-Serial physical layer. The electrical specifications cover both single and multiple-lane links.

Two transmitter types (short run and long run) on a single receiver are specified for each of three baud

rates, 1.25, 2.50, and 3.125 GBaud.

Two transmitter specifications allow for solutions ranging from simple board-to-board interconnect to

driving two connectors across a backplane. A single receiver specification is given that will accept signals

from both the short run and long run transmitter specifications.

The short run transmitter specifications should be used mainly for chip-to-chip connections on either the

same printed circuit board or across a single connector. This covers the case where connections are made

to a mezzanine (daughter) card. The minimum swings of the short run specification reduce the overall

power used by the transceivers.

The long run transmitter specifications use larger voltage swings that are capable of driving signals across

backplanes. This allows a user to drive signals across two connectors and a backplane. The specifications

allow a distance of at least 50 cm at all baud rates.

All unit intervals are specified with a tolerance of ± 100 ppm. The worst case frequency difference between

any transmit and receive clock will be 200 ppm.

相关代理商/技术参数	参数描述
MC8640DTHX1000N	制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications Addendum for the MC8640xTxxyyyyaC Series
MC8640DTHX1000NC	功能描述:微处理器 - MPU G8 REV2.1 0.95V -40/105C 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
MC8640DTHX1067H	制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications Addendum for the MC8640xTxxyyyyaC Series
MC8640DTHX1067N	制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
MC8640DTHX1067NC	功能描述:微处理器 - MPU G8,REV2.1,0.95V,-40 105C 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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