mpc92433芯片應(yīng)用電路設(shè)計(jì)

18頁(yè) 8000字

摘要
簡(jiǎn)要介紹了作為雙端輸出LVPECL時(shí)鐘合成器MPC92433芯片的功能、內(nèi)部結(jié)構(gòu)、引腳排列極其編程方式和電氣性能.MPC94233是一個(gè)自帶3.3V電壓基于鎖相環(huán)技術(shù)的時(shí)鐘合成器可為用于中帶范圍高性能的電信，網(wǎng)絡(luò)和計(jì)算機(jī)應(yīng)用提供高性能的時(shí)鐘發(fā)生器。輸出頻率范圍是42.50MHZ到1428MHZ并且它支持兩路差分PECL輸出信號(hào)，這個(gè)器件滿足最高時(shí)鐘要求的需要。芯片有48個(gè)引腳,兩路差分自帶LVPECL高頻輸出,一個(gè)提供基準(zhǔn)頻率的片上晶體振蕩器.

關(guān)鍵字: 時(shí)鐘合成器 可編程 性能


Abstract
It briefly introduced The MPC92433 as a dual output LVPECL clock synthesizer is function, internal structure, pin array, programming mode and electronic performance. The MPC92433 is a 3.3V compatible, PLL based clock synthesizer targeted for high performance clock generation in mid-range to high-performance telecom, networking, and computing applications. With output frequencies from 42.50 MHZ to 1428 MHZ and the support of two differential PECL output signals, the device meets the needs of the most demanding.....

目 錄

1. MPC92433 芯片簡(jiǎn)介--------------------------------------------------------------------------4
1.1特點(diǎn)---------------------------------------------------------------------------------------------------------4
1.2典型應(yīng)用---------------------------------------------------------------------------------------------------4
2.芯片結(jié)構(gòu)和引腳功能------------------------------------------------------------------------------4
3.電氣特性---------------------------------------------------------------------------------------------6
3.1 一般規(guī)格---------------------------------------------------------------------------------------------------7
3.2絕對(duì)最大化測(cè)定-------------------------------------------------------------------------------------------7
3.3 直流特性---------------------------------------------------------------------------------------------------7
3.4 交流特性---------------------------------------------------------------------------------------------------8
3.5 輸出頻率---------------------------------------------------------------------------------------------------9
4.可編程MPC9243 ---------------------------------------------------------------------------------11
4.1并行接口的使用-------------------------------------------------------------------------------------------11
4.2IIC接口的使用---------------------------------------------------------------------------------------------12
4.3設(shè)置合成器頻率-------------------------------------------------------------------------------------------13
4. 3. 1讀合成器頻率--------------------------------------------------------------------------------------13
4. 3. 2用小步驟改變合成器頻率-----------------------------------------------------------------------13
4.4寄存器并行模式的存取----------------------------------------------------------------------------------14
4. 4 . 1寫(xiě)模式----------------------------------------------------------------------------------------------15
4 .4 . 2讀模式----------------------------------------------------------------------------------------------15
5.各部分結(jié)構(gòu)極其功能-------------------------------------------------------------------------------15
5.1設(shè)備預(yù)制---------------------------------------------------------------------------------------------------15
5. 1. 1一般設(shè)備預(yù)制--------------------------------------------------------------------------------------15
5. 1. 2使用并行接口的預(yù)制-----------------------------------------------------------------------------15
5.2鎖存檢測(cè)---------------------------------------------------------------------------------------------------16
5.3時(shí)鐘輸出停止---------------------------------------------------------------------------------------------16
5.4 濾波器---------------------------------------------------------------------------------------16
5.5片上晶體振蕩器------------------------------------------------------------------------------------------17
5.6MPC92433的抖動(dòng)性能----------------------------------------------------------------------------------17
5.7交流測(cè)試基準(zhǔn)和輸出終端------------------------------------------------------------------------------18
6.總結(jié)----------------------------------------------------------------------------------------------------19
7.參考文獻(xiàn)----------------------------------------------------------------------------------------------19

參考文獻(xiàn)
Martin H. Weik 英漢通信技術(shù)標(biāo)準(zhǔn)詞典 北京：中國(guó)水利水電出版社1999年
劉恩榮 英漢電子信息技術(shù)縮略詞詞典 北京：機(jī)械工業(yè)出版社