CS2200-CP

目录

1.引脚说明................................................................................................................................. 4

2.典型连接图.....................................................................................................五

3.特性和规范............................................. ......................................... 6

推荐工作条件............................................... ..................................... 6

绝对最大额定值........................................................................................................ 6

DC电气特性............................................... ................................................. 6

AC电气特性............................................... ................................................. 7

控制端口切换特征 - IC格式........................................... 8 ........

控制端口开关特性 - SPI格式........................................... ...... 9

4.架构概述............................................................................................................. 10

4.1 Δ-Σ分数N频率合成器......................................... ................................ 10

5.应用................................................................................................................................... 11

5.1定时参考时钟输入........................................................................................................ 11

5.1.1内部定时参考时钟分频器.......................................... ..................................... 11

5.1.2晶体连接（ XTI和XTO ） ........................................ .............................................. 12

5.1.3外部参考时钟（ REF_CLK ） ......................................... ......................................... 12

5.2输出到输入频率比配置........................................... .................................. 12

5.2.1用户定义的比例（路德） ..................................................................................................... 12

5.2.2比例调节器（ R- MOD） .......................................................................................................... 13

5.2.3有效率（ REFF ） .......................................................................................................... 13

5.2.4比例配置摘要............................................ .................................................. 14

5.3 PLL时钟输出........................................................................................................................... 14

5.4辅助输出.............................................................................................................................. 15

5.5时钟输出稳定性考虑............................................. ............................................... 15

5.5.1输出开关................................................................................................................... 15

5.5.2 PLL解锁条件.......................................................................................................... 15

5.6要求的加电排序............................................. .................................................. ..... 16

6. SPI / IC控制端口................................................................................................................... 16

6.1 SPI控制..................................................................................................................................... 16

6.2 IC控制...................................................................................................................................... 16

6.3存储器地址指针............................................................................................................... 18

6.3.1地图自动递增.............................................................................................................. 18

7.注册快速参考........................................................................................................ 18

8.注册说明................................................................................................................ 19

8.1设备内径与修订（地址01H ） ............................................ ........................................... 19

8.1.1设备标识（设备[ 4 ： 0 ] ） - 只读.................................. ................................... 19

8.1.2设备版本（修订版[ 2 ： 0 ] ） - 只读.................................. ...................................... 19

8.2设备控制（地址02H ） ........................................................................................................ 19

8.2.1解锁指示灯（解锁） - 只读....................................... ........................................... 19

8.2.2辅助输出禁用（ AuxOutDis ） ......................................... .......................................... 19

8.2.3 PLL时钟输出禁止（ ClkOutDis ） ........................................ .......................................... 20

8.3设备配置1 （地址03H ） .......................................... ................................................. 20

8.3.1 R-国防部选择（ RModSel [ 2 ： 0 ] ） ................................... .................................................. ...... 20

8.3.2辅助输出源选择（ AuxOutSrc [ 1 ： 0 ] ） ................................... .......................... 20

8.3.3启用设备配置寄存器1 （ EnDevCfg1 ） ....................................... ................. 21

8.4全局配置（地址05H ） ........................................... .................................................. .. 21

8.4.1设备配置冻结（冻结） ......................................... ....................................... 21

8.4.2启用设备配置寄存器2 （ EnDevCfg2 ） ....................................... ................ 21

8.5比（地址06H - 09H ） .............................................................................................................. 21

8.6功能配置1 （地址16H） .......................................... .............................................. 22

8.6.1辅助PLL锁定输出配置（ AuxLockCfg ） ....................................... ....................... 22

8.6.2参考时钟输入分频器（ RefClkDiv [ 1 ： 0 ] ） ................................... ................................. 22

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DS759F1