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参数资料
| 型号： | MPC9850VMR2 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 500 MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100 |
| 封装： | LEAD FREE, MAPBGA-100 |
| 文件页数： | 1/12页 |
| 文件大小： | 243K |
| 代理商： | MPC9850VMR2 |
MPC9850
Rev 5, 4/2005
Freescale Semiconductor
Technical Data
Freescale Semiconductor, Inc., 2005. All rights reserved.
Clock Generator for PowerQUICC III
The MPC9850 is a PLL based clock generator specifically designed for
Freescale Microprocessor and Microcontroller applications including the
PowerQUICC III. This device generates a microprocessor input clock plus the
500 MHz Rapid I/O clock. The microprocessor clock is selectable in output
frequency to any of the commonly used microprocessor input and bus
frequencies. The Rapid I/O outputs are LVDS compatible. The device offers eight
low skew clock outputs organized into two output banks, each configurable to
support different clock frequencies. The extended temperature range of the
MPC9850 supports telecommunication and networking requirements.
Features
8 LVCMOS outputs for processor and other circuitry
2 differential LVDS outputs for Rapid I/O interface
Crystal oscillator or external reference input
25 or 33 MHz Input reference frequency
Selectable output frequencies include = 200, 166, 133,125, 111, 100, 83, 66,
50, 33 or 16 MHz
Buffered reference clock output
Rapid I/O (LVDS) Output = 500, 250 or 125 MHz
Low cycle-to-cycle and period jitter
100-lead PBGA package
100-lead Pb-free Package Available
3.3V supply with 3.3V or 2.5V output LVCMOS drive
Supports computing, networking, telecommunications applications
Ambient temperature range –40°C to +85°C
Functional Description
The MPC9850 uses either a 25 or 33 MHz reference frequency to generate 8 LVCMOS output clocks, of which, the frequency
is selectable from 16 MHz to 200 MHz. The reference is applied to the input of a PLL and multiplied to 2 GHz. Output dividers,
divide this frequency by 10, 12, 15, 16, 18, 20, 24, 30, 40, 60 or 120 to produce output frequencies of 200, 166, 133, 125, 111,
100, 83 66 50 33 or 16 MHz. The single-ended LVCMOS outputs are divided into two banks of 4 low skew outputs each, for use
in driving a microprocessor or microcontroller clock input as well as other system components. The 2 GHz PLL output frequency
is also divided to produce a 125, 250 or 500 MHz clock output for Rapid I/O applications such as found on the PowerQUICC III
communications processor. The input reference, either crystal or external input is also buffered to a separate output that my be
used as the clock source for a Gigabit Ethernet PHY if desired.
The reference clock may be provided by either an external clock input of 25 MHz or 33 MHz. An internal oscillator requiring a
25 MHz crystal for frequency control may also be used. The external clock source my be applied to either of two clock inputs and
selected via the CLK_SEL control input. Both single ended LVCMOS and differential LVPECL inputs are available. The crystal
oscillator or external clock input is selected via the input pin of REF_SEL. Other than the crystal, no external components are
required for crystal oscillator operation. The REF_33MHz configuration pins is used to select between a 33 and 25 MHz input
frequency.
The MPC9850 is packaged in a 100 lead MAPBGA package to optimize both performance and board density.
MPC9850
MICROPROCESSOR
CLOCK GENERATOR
SCALE 2 1
VF SUFFIX
VM SUFFIX (PB-FREE)
100 MAPBGA PACKAGE
CASE 1462-01
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC9855 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:Clock Generator for PowerQUICC and PowerPC Microprocessors |
| MPC9855VM | 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MPC9855VMR2 | 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MPC9865VM | 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MPC9865VMR2 | 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
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