參數資料
型號: MC8641HX1000GE
廠商: Freescale Semiconductor
文件頁數: 108/130頁
文件大?。?/td> 0K
描述: IC DUAL CORE PROCESSOR 994-CBGA
標準包裝: 1
系列: MPC86xx
處理器類型: 32-位 MPC86xx PowerPC
速度: 1.0GHz
電壓: 1.05V
安裝類型: 表面貼裝
封裝/外殼: 994-BCBGA,FCCBGA
供應商設備封裝: 994-FCCBGA(33x33)
包裝: 托盤
MPC8641 and MPC8641D Integrated Host Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
79
Serial RapidIO
To illustrate these definitions using real values, consider the case of a CML (Current Mode Logic)
transmitter that has a common mode voltage of 2.25 V and each of its outputs, TD and TD, has a swing
that goes between 2.5V and 2.0V. Using these values, the peak-to-peak voltage swing of the signals TD
and TD is 500 mV p-p. The differential output signal ranges between 500 mV and –500 mV. The peak
differential voltage is 500 mV. The peak-to-peak differential voltage is 1000 mV p-p.
15.4
Equalization
With the use of high speed serial links, the interconnect media will cause degradation of the signal at the
receiver. Effects such as Inter-Symbol Interference (ISI) or data dependent jitter are produced. This loss
can be large enough to degrade the eye opening at the receiver beyond what is allowed in the specification.
To negate a portion of these effects, equalization can be used. The most common equalization techniques
that can be used are:
A passive high pass filter network placed at the receiver. This is often referred to as passive
equalization.
The use of active circuits in the receiver. This is often referred to as adaptive equalization.
15.5
Explanatory Note on Transmitter and Receiver Specifications
AC electrical specifications are given for transmitter and receiver. Long run and short run interfaces at
three baud rates (a total of six cases) are described.
The parameters for the AC electrical specifications are guided by the XAUI electrical interface specified
in Clause 47 of IEEE 802.3ae-2002.
XAUI has similar application goals to serial RapidIO, as described in Section 8.1. The goal of this standard
is that electrical designs for serial RapidIO can reuse electrical designs for XAUI, suitably modified for
applications at the baud intervals and reaches described herein.
15.6
Transmitter Specifications
LP-Serial transmitter electrical and timing specifications are stated in the text and tables of this section.
The differential return loss, S11, of the transmitter in each case shall be better than
–10 dB for (Baud Frequency)/10 < Freq(f) < 625 MHz, and
–10 dB + 10log(f/625 MHz) dB for 625 MHz
≤ Freq(f) ≤ Baud Frequency
The reference impedance for the differential return loss measurements is 100 Ohm resistive. Differential
return loss includes contributions from on-chip circuitry, chip packaging and any off-chip components
related to the driver. The output impedance requirement applies to all valid output levels.
It is recommended that the 20%–80% rise/fall time of the transmitter, as measured at the transmitter output,
in each case have a minimum value 60 ps.
It is recommended that the timing skew at the output of an LP-Serial transmitter between the two signals
that comprise a differential pair not exceed 25 ps at 1.25 GB, 20 ps at 2.50 GB and 15 ps at 3.125 GB.
相關PDF資料
PDF描述
346-020-521-204 CARDEDGE 20POS DUAL .125 GREEN
346-020-521-202 CARDEDGE 20POS DUAL .125 GREEN
MC8641DTHX1333JE IC DUAL CORE PROCESSOR 1023-CBGA
MC8641DTHX1250HE IC DUAL CORE PROCESSOR 1023-CBGA
346-020-521-201 CARDEDGE 20POS DUAL .125 GREEN
相關代理商/技術參數
參數描述
MC8641HX1000H 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
MC8641HX1000J 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
MC8641HX1000K 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
MC8641HX1000N 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications
MC8641HX1000NB 功能描述:微處理器 - MPU G8 REV 2.0 0.95V 105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數據總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數據 RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324