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MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8

Freescale Semiconductor

20.2.3

Interfacing With Other Differential Signaling Levels

The following list provides information about interfacing with other differential signaling levels.

With on-chip termination to SGND_SRDSn (xcorevss), the differential reference clocks inputs are

HCSL (high-speed current steering logic) compatible DC-coupled.

Many other low voltage differential type outputs like LVDS (low voltage differential signaling) can

be used but may need to be AC-coupled due to the limited common mode input range allowed

(100 mV to 400 mV) for DC-coupled connection.

LVPECL outputs can produce signal with too large amplitude and may need to be DC-biased at

clock driver output first, then followed with series attenuation resistor to reduce the amplitude, in

addition to AC-coupling.

NOTE

Figure 59 to Figure 62 below are for conceptual reference only. Due to the

fact that clock driver chip's internal structure, output impedance, and

termination requirements are different between various clock driver chip

manufacturers, it is very possible that the clock circuit reference designs

provided by the clock driver chip vendor are different from what is shown

below. They might also vary from one vendor to the other. Therefore,

Freescale Semiconductor can neither provide the optimal clock driver

reference circuits, nor guarantee the correctness of the following clock

driver connection reference circuits. The system designer is recommended

to contact the selected clock driver chip vendor for the optimal reference

circuits with the device SerDes reference clock receiver requirement

provided in this document.

相關代理商/技術參數	參數描述
MPC8378VRANDA	制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications
MPC8378VRANFA	制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications
MPC8378VRANG	功能描述:微處理器 - MPU 837X Non-Encrypted 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
MPC8378VRANGA	功能描述:微處理器 - MPU 8378 PBGA ST PbFr No ENC 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
MPC8378ZQAFDA	制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Processor Hardware Specifications

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