Datasheet > MPC9850VF

MPC9850VF

更新时间： 2024-11-11 10:49:15

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		晶体时钟发生器外围集成电路
页数	文件大小	规格书
12页	244K
描述
Clock Generator for PowerQUICC III

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MPC9850VF 数据手册

MPC9850

Rev 5, 4/2005

Freescale Semiconductor

Technical Data

Clock Generator for PowerQUICC III

MPC9850

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.

MICROPROCESSOR

CLOCK GENERATOR

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

VF SUFFIX

VM SUFFIX (PB-FREE)

100 MAPBGA PACKAGE

CASE 1462-01

•

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.

12 3 4 5 6 7...12

中文翻译

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与MPC9850VF相关器件

型号	品牌	获取价格	描述	数据表
MPC9850VFR2	NXP	获取价格	500MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100, MAPBGA-100
MPC9850VM	IDT	获取价格	Processor Specific Clock Generator, 500MHz, CMOS, PBGA100, LEAD FREE, MAPBGA-100
MPC9850VMR2	IDT	获取价格	Processor Specific Clock Generator, 500MHz, CMOS, PBGA100, LEAD FREE, MAPBGA-100
MPC9855	MOTOROLA	获取价格	Clock Generator for PowerQUICC and PowerPC Microprocessors
MPC9855VF	IDT	获取价格	Processor Specific Clock Generator, 200MHz, PBGA100, MAPBGA-100
MPC9855VF	NXP	获取价格	200MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100, 11 X 11 MM, 1 MM PITCH, MAPBGA-100
MPC9855VF	MOTOROLA	获取价格	200MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100, MAPBGA-100
MPC9855VFR2	NXP	获取价格	200MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100, 11 X 11 MM, 1 MM PITCH, MAPBGA-100
MPC9855VM	NXP	获取价格	200MHz, PROC SPECIFIC CLOCK GENERATOR, PBGA100, 11 X 11 MM, 1 MM PITCH, LEAD FREE, MAPBGA-
MPC9855VMR2	IDT	获取价格	Processor Specific Clock Generator, 200MHz, PBGA100, 11 X 11 MM, 1 MM PITCH, LEAD FREE, MA

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