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| 型号： | MPC8378ECVRAJF |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 108/128页 |
| 文件大小： | 0K |
| 描述： | MPU POWERQUICC II PRO 689-PBGA |
| 标准包装： | 27 |
| 系列： | MPC83xx |
| 处理器类型： | 32-位 MPC83xx PowerQUICC II Pro |
| 速度： | 533MHz |
| 电压： | 1V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 689-BBGA 裸露焊盘 |
| 供应商设备封装： | 689-TEPBGA II（31x31） |
| 包装： | 托盘 |
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MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8
80
Freescale Semiconductor
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 signal is defined as differential peak-to-peak voltage,
VDIFFp-p =2 × VDIFFp = 2 × |(A – B)| volts, which is twice 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|.
Differential Waveform
The differential waveform is constructed by subtracting the inverting signal (SDn_TX, for
example) from the non-inverting 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 63 as an example for differential waveform.
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 is also
referred as the DC offset in some occasion.
Figure 54. Differential Voltage Definitions for Transmitter or Receiver
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
相关PDF资料 |
PDF描述 |
|---|---|
| 395-012-520-204 | CARD EDGE 12POS DL .100X.200 BLK |
| MPC8378ECVRAGD | MPU POWERQUICC II PRO 689-PBGA |
| CAT93C66YI-GT3 | IC EEPROM 4KB 2MHZ 8-TSSOP |
| 395-012-520-202 | CARD EDGE 12POS DL .100X.200 BLK |
| 395-012-520-201 | CARD EDGE 12POS DL .100X.200 BLK |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC8378ECVRAJFA | 功能描述:微处理器 - MPU 8378 PBGA XT PbFr W/ENC 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 |
| MPC8378ECVRAJGA | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications |
| MPC8378ECVRALDA | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications |
| MPC8378ECVRALFA | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications |
| MPC8378ECVRALG | 功能描述:微处理器 - MPU PBGA W/ ENCR 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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