參數(shù)資料
型號： MPC8572LPXATLD
廠商： Freescale Semiconductor
文件頁數(shù)： 112/138頁
文件大小： 0K
描述： MPU POWERQUICC III 1023-PBGA
標準包裝： 1
系列： MPC85xx
處理器類型： 32-位 MPC85xx PowerQUICC III
速度： 1.2GHz
電壓： 1.1V
安裝類型： 表面貼裝
封裝/外殼： 1023-BBGA，F(xiàn)CBGA
供應商設備封裝： 1023-FCPBGA（33x33）
包裝： 托盤
MPC8572E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
Freescale Semiconductor
75
High-Speed Serial Interfaces (HSSI)
of the differential pair must have a single-ended swing less than 800mV and greater than
200mV. This requirement is the same for both external DC-coupled or AC-coupled connection.
— For external DC-coupled connection, as described in Section 15.2.1, “SerDes Reference
Clock Receiver Characteristics,” the maximum average current requirements sets the
requirement for average voltage (common mode voltage) to be between 100 mV and 400 mV.
Figure 45 shows the SerDes reference clock input requirement for DC-coupled connection
scheme.
— For external AC-coupled connection, there is no common mode voltage requirement for the
clock driver. Because the external AC-coupling capacitor blocks the DC level, the clock driver
and the SerDes reference clock receiver operate in different command mode voltages. The
SerDes reference clock receiver in this connection scheme has its common mode voltage set to
SGND_SRDSn. Each signal wire of the differential inputs is allowed to swing below and above
the command mode voltage (SGND_SRDSn). Figure 46 shows the SerDes reference clock
input requirement for AC-coupled connection scheme.
Single-ended Mode
— The reference clock can also be single-ended. The SDn_REF_CLK input amplitude
(single-ended swing) must be between 400 mV and 800 mV peak-peak (from Vmin to Vmax)
with SDn_REF_CLK either left unconnected or tied to ground.
—The SDn_REF_CLK input average voltage must be between 200 and 400 mV. Figure 47 shows
the SerDes reference clock input requirement for single-ended signaling mode.
— To meet the input amplitude requirement, the reference clock inputs might need to be DC or
AC-coupled externally. For the best noise performance, the reference of the clock could be DC
or AC-coupled into the unused phase (SDn_REF_CLK) through the same source impedance as
the clock input (SDn_REF_CLK) in use.
Figure 45. Differential Reference Clock Input DC Requirements (External DC-Coupled)
SD
n_REF_CLK
SD
n_REF_CLK
Vmax
< 800 mV
Vmin
> 0V
100 mV
< Vcm < 400 mV
200mV < Input Amplitude or Differential Peak < 800 mV
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相關代理商/技術參數(shù)
參數(shù)描述
MPC8572LPXATLE 制造商:Freescale Semiconductor 功能描述:38H R211 NOE SNPB 1200LP - Bulk
MPC8572LPXAULD 功能描述:微處理器 - MPU CSM SNPB 1333 LOW PWR RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) 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
MPC8572LPXAULE 制造商:Freescale Semiconductor 功能描述:38H R211 NOE SNPB 1333LP - Bulk
MPC8572LPXAVND 功能描述:微處理器 - MPU CSM SNPB 1500 LOW PWR RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) 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
MPC8572LPXAVNE 制造商:Freescale Semiconductor 功能描述:38H R211 NOE SNPB 1500LP - Bulk
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