EP2C35F484C8N 参数 Datasheet PDF下载

目录

内部时序...............................................................................................................................

的Cyclone II时钟时序参数............................................. ..............................................

网络时钟偏移加法器.......................................................................................................

IOE可编程延迟.............................................................................................................

我不同的默认容性负载/ O标准......................................... .................

I / O延迟.......................................................................................................................................

最大输入和输出时钟速率............................................ ........................................

高速I / O时序规格........................................... ............................................

外部存储器接口规格.............................................. ....................................

JTAG时序规范..........................................................................................................

PLL时序规范............................................................................................................

占空比失真.........................................................................................................................

DCD测量技术............................................... .................................................. ..

参考文献.......................................................................................................................

文档修订历史记录...............................................................................................................

5–18

5–23

5–29

5–30

5–31

5–33

第6章参考&订购信息

软件..................................................................................................................................................

器件引脚输出.....................................................................................................................................

订购信息...........................................................................................................................

文档修订历史记录.................................................................................................................

第二节。时钟管理

修订历史.................................................................................................................................... 6-1

第7章锁相环在Cyclone II器件

介绍............................................................................................................................................ 7-1

的Cyclone II PLL硬件概述............................................. .................................................. ... 7-2

PLL的参考时钟发生器.............................................. .................................................. ... 7-6

时钟反馈模式....................................................................................................................... 7-10

普通模式.................................................................................................................................. 7-10

零延迟缓冲模式................................................................................................................ 7-11

无补偿模式............................................................................................................... 7-12

源同步模式........................................................................................................... 7-13

硬件特性.............................................................................................................................. 7-14

时钟倍频&司.............................................. .................................................. 7-14 ..

可编程占空比........................................................................................................... 7-15

移相实现.............................................. .................................................. 7-16 ....

控制信号................................................................................................................................ 7-17

手动时钟切换............................................................................................................. 7-20

时钟................................................................................................................................................ 7-21

全局时钟网络................................................................................................................... 7-21

时钟控制模块....................................................................................................................... 7-24

全局时钟网络的时钟源产生............................................ .......................... 7-26

全局时钟网络掉电............................................. .............................................. 7-28

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