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| 型号： | MC8610PX1066JB |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 51/96页 |
| 文件大小： | 0K |
| 描述： | MPU E600 CORE 1066MHZ 783-PBGA |
| 标准包装： | 36 |
| 系列： | MPC86xx |
| 处理器类型： | 32-位 MPC86xx PowerPC |
| 速度： | 1.066GHz |
| 电压： | 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 |
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Electrical Characteristics
MPC8610 Integrated Host Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
55
of differential swing in amplitude, or twice of the differential peak. For example, the output differential peak-peak
voltage can also be calculated as VTX-DIFFp-p = 2 * |VOD|.
6.
Differential waveform
The differential waveform is constructed by subtracting the inverting signal (SDn_TX, for example) from the
noninverting signal (SDn_TX, for example) within a differential pair. There is only one signal trace curve in a
differential waveform. The voltage represented in the differential waveform is not referenced to ground. Refer to
Figure 38 as an example for differential waveform.
7.
Common mode voltage, Vcm
The common mode voltage is equal to one half of the sum of the voltages between each conductor of a balanced
interchange circuit and ground. In this example, for SerDes output, Vcm_out = (VSDn_TX + VSDn_TX)/2 = (A + B)/2,
which is the arithmetic mean of the two complimentary output voltages within a differential pair. In a system, the
common mode voltage may often differ from one component’s output to the other’s input. Sometimes, it may be even
different between the receiver input and driver output circuits within the same component. It’s also referred as the DC
offset in some occasion.
Figure 29. Differential Voltage Definitions for Transmitter or Receiver
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 2.5 and 2.0 V. Using these values,
the peak-to-peak voltage swing of each signal (TD or TD) is 500 mV p-p, which is referred as the single-ended swing for each
signal. In this example, since the differential signaling environment is fully symmetrical, the transmitter output’s differential
swing (VOD) has the same amplitude as each signal’s single-ended swing. The differential output signal ranges between 500 mV
and –500 mV, in other words, VOD is 500 mV in one phase and –500 mV in the other phase. The peak differential voltage
(VDIFFp) is 500 mV. The peak-to-peak differential voltage (VDIFFp-p) is 1000 mV p-p.
2.17.2
SerDes Reference Clocks
The SerDes reference clock inputs are applied to an internal PLL whose output creates the clock used by the corresponding
SerDes lanes. The SerDes reference clocks inputs are SDn_REF_CLK and SDn_REF_CLK for PCI Express.
The following sections describe the SerDes reference clock requirements and some application information.
2.17.2.1
SerDes Reference Clock Receiver Characteristics
Figure 30 shows a receiver reference diagram of the SerDes reference clocks.
Differential Swing, VID or VOD = A – B
A Volts
B Volts
SD
n_TX or
SD
n_RX
SD
n_TX or
SD
n_RX
Differential Peak Voltage, VDIFFp = |A – B|
Differential Peak-Peak Voltage, VDIFFpp = 2*VDIFFp (not shown)
Vcm = (A + B) / 2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MC8610PX1066JZ | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:MPC8610 Integrated Host Processor Hardware Specifications |
| MC8610PX1067G | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MC8610PX1067J | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Integrated Host Processor Hardware Specifications |
| MC8610PX1333JB | 功能描述:微处理器 - MPU REV 1.1 8610 1.025V 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 |
| MC8610PX1333JZ | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:MPC8610 Integrated Host Processor Hardware Specifications |
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