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| 型号： | MC8640DHX1250HE |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 1250 MHz, MICROPROCESSOR, CBGA1023 |
| 封装： | 33 X 33 MM, CERAMIC, FCBGA-1023 |
| 文件页数： | 85/130页 |
| 文件大小： | 1495K |
| 代理商： | MC8640DHX1250HE |
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MPC8640 and MPC8640D Integrated Host Processor Hardware Specifications, Rev. 3
58
Freescale Semiconductor
High-Speed Serial Interfaces (HSSI)
Figure 38 shows how the signals are defined. For illustration purpose, only one SerDes lane is used for
description. The figure shows waveform for either a transmitter output (SDn_TX and SDn_TX) or a
receiver input (SDn_RX and SDn_RX). Each signal swings between A volts and B volts where A > B.
Figure 38. Differential Voltage Definitions for Transmitter or Receiver
Using this waveform, the definitions are as follows. To simplify illustration, the following definitions
assume that the SerDes transmitter and receiver operate in a fully symmetrical differential signaling
environment.
Single-Ended Swing
The transmitter output signals and the receiver input signals SDn_TX, SDn_TX,
SDn_RX and SDn_RX each have a peak-to-peak swing of A – B volts. This is also
referred as each signal wire’s single-ended swing.
Differential Output Voltage, VOD (or Differential Output Swing):
The differential output voltage (or swing) of the transmitter, VOD, is defined as the
difference of the two complimentary output voltages: VSDn_TX – VSDn_TX. The
VOD value can be either positive or negative.
Differential Input Voltage, VID (or Differential Input Swing):
The differential input voltage (or swing) of the receiver, VID, is defined as the
difference of the two complimentary input voltages: VSDn_RX – VSDn_RX. The
VID value can be either positive or negative.
Differential Peak Voltage, VDIFFp
The peak value of the differential transmitter output signal or the differential
receiver input signal is defined as differential peak voltage, VDIFFp = |A – B| volts.
Differential Peak-to-Peak, VDIFFp-p
Since the differential output signal of the transmitter and the differential input
signal of the receiver each range from A – B to –(A – B) volts, the peak-to-peak
value of the differential transmitter output signal or the differential receiver input
Differential Swing, VID or VOD = A – B
A Volts
B Volts
SDn_TX or
SDn_RX
SDn_TX or
SDn_RX
Differential Peak Voltage, VDIFFp = |A - B|
Differential Peak-Peak Voltage, VDIFFpp = 2
× VDIFFp (not shown)
Vcm = (A + B) ÷ 2
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| MC8640DTHX1067NC | 32-BIT, 1067 MHz, MICROPROCESSOR, CBGA1023 |
| MC8640THX1250HC | 32-BIT, 1250 MHz, MICROPROCESSOR, CBGA1023 |
| MC8640DTVU1250HE | 32-BIT, 1250 MHz, MICROPROCESSOR, CBGA1023 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MC8640DHX1250N | 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 |
| MC8640DTHX1000H | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MC8640DTHX1000HC | 功能描述:微处理器 - MPU G8 REV2.1 1.05V -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 |
| MC8640DTHX1000HE | 功能描述:微处理器 - MPU G8 REV 3.0 1.05V -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 |
| 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 |
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