參數(shù)資料
型號： MPC8544VTALFB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
封裝： 29 X 29 MM, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-783
文件頁數(shù)： 89/120頁
文件大?。?/td> 1321K
代理商： MPC8544VTALFB
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 2
70
Freescale Semiconductor
High-Speed Serial Interfaces (HSSI)
16.2.3
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 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 49 through Figure 52 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 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 MPC8544E SerDes reference clock receiver requirement
provided in this document.
Figure 49 shows the SerDes reference clock connection reference circuits for HCSL type clock driver. It
assumes that the DC levels of the clock driver chip is compatible with MPC8544E SerDes reference clock
input’s DC requirement.
Figure 49. DC-Coupled Differential Connection with HCSL Clock Driver (Reference Only)
50
Ω
50
Ω
SD
n_REF_CLK
SD
n_REF_CLK
Clock Driver
100
Ω differential PWB trace
Clock driver vendor dependent
source termination resistor
SerDes Refer.
CLK Receiver
Clock Driver
CLK_Out
HCSL CLK Driver Chip
33
Ω
33
Ω
Total 50
Ω. Assume clock driver’s
output impedance is about 16
Ω.
CLK_Out
MPC8544E
相關(guān)PDF資料
PDF描述
MPC8544VTAQJB 32-BIT, 1000 MHz, RISC PROCESSOR, PBGA783
MPC8544VTALJB 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
MPC8544CVTARFB 32-BIT, 1067 MHz, RISC PROCESSOR, PBGA783
MPC8544CVTALGB 32-BIT, 667 MHz, RISC PROCESSOR, PBGA783
MPC8544VTANGB 32-BIT, 800 MHz, RISC PROCESSOR, PBGA783
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC8544VTANG 功能描述:微處理器 - MPU PQ38K 8544 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(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8544VTANGA 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC PQ38K 8544 RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
MPC8544VTAQG 功能描述:微處理器 - MPU PQ38K 8544 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(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8544VTAQGA 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC PQ38K 8544 RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
MPC8544VTARJ 功能描述:微處理器 - MPU PQ38K 8544 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(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324
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