LMK04000系列
目录
1.0概述......................................................................................................................... 1
2.0产品特点........................................................................................................................................ 1
3.0目标应用.......................................................................................................................... 1
4.0功能框图................................................................................................................. 3
5.0连接图........................................................................................................................ 6
6.0引脚说明............................................................................................................................. 7
7.0绝对最大额定值.............................................................................................................. 9
8.0封装热阻............................................................................................................ 9
9.0推荐工作条件.............................................. .................................................. 9
10.0电气特性............................................................................................................... 10
11.0串行数据时序图.......................................................................................................... 22
12.0电荷泵电流规格定义............................................ .................................... 22
12.1电荷泵输出电流的大小变化VS.电荷泵输出
电压................................................................................................................................ 23
12.2电荷泵吸收电流和电荷泵输出源电流
不匹配.............................................................................................................................. 23
12.3电荷泵输出电流的大小变化VS.温度................ 23
13.0典型性能特征.............................................. ................................................ 24
13.1时钟输出交流特性............................................. ................................ 24
14.0特点..................................................................................................................................... 26
14.1系统架构............................................... .................................................. .. 26
14.2冗余参考输入（ CLKin0 / CLKin0 * ， CLKIN1 / CLKIN1 * ） ................................... 26
信号（ LOS ）的14.3 PLL1 CLKinX （ X = 0,1）损失.................................. ..................................... 26
14.4集成环路滤波器极............................................. ........................................ 26
14.5时钟分配....................................................................................................... 26
14.6 CLKOUT DIVIDE （ CLKoutX_DIV ， X = 0 4 ） ..................................... ........................................ 26
14.7 CLKOUT DELAY （ CLKoutX_DLY ， X = 0 4 ） ..................................... ....................................... 26
14.8全局时钟输出同步（ SYNC * ） ......................................... .............. 26
14.9全球产量启用和锁定检测........................................... ......................... 26
15.0功能描述.................................................................................................................. 27
15.1架构概述............................................... ............................................... 27
15.2相位检测器1 （ PD1 ） ........................................... .................................................. .... 27
15.3相位检测器2 （ PD2 ） ........................................... .................................................. .... 27
15.4 PLL2倍频.............................................. ................................................ 27
15.5输入/输出............................................................................................................. 27
15.5.1 PLL1参考输入（ CLKin0 / CLKin0 * ， CLKIN1 / CLKIN1 * ） ................................. ......... 27
15.5.2 PLL2 OSCIN / OSCIN *端口......................................... .................................................. 27
15.5.3 CPout1 / CPout2 ........................................................................................................ 27
15.5.4的F out .......................................................................................................................... 27
15.5.5数字锁定检测1旁路.......................................... .............................................. 28
15.5.6偏置.......................................................................................................................... 28
16.0一般编程信息.............................................. .................................................. 29
16.1推荐的编程序列.............................................. ...................... 29
16.2默认设备寄存器设置上电后/ RESET .................................... 32
16.3寄存器R0到R4 ........................................................................................................... 33
16.3.1 CLKoutX_DIV ：时钟通道分频寄存器......................................... ..................... 33
16.3.2 EN_CLKoutX ：时钟通道输出使能......................................... ......................... 33
16.3.3 CLKoutX_DLY ：时钟通道相位延迟调整........................................ .......... 33
16.3.4 CLKoutX / CLKoutX * LVCMOS模式控制........................................ ........................... 33
16.3.5 CLKoutX / CLKoutX * LVPECL模式控制........................................ ............................ 34
16.3.6 CLKoutX_MUX ：时钟输出复用.......................................... ...................................... 34
16.4寄存器5,6 .................................................................................................................. 34
16.5寄存器7 ....................................................................................................................... 34
16.5.1 RESET位................................................................................................................. 34
16.6寄存器8,9 .................................................................................................................. 34
16.7寄存器10 ..................................................................................................................... 34
16.7.1 RC_DLD1_Start ： PLL1数字锁定检测运行控制位...................................... ......... 34
16.8寄存器11 ..................................................................................................................... 34
16.8.1 CLKinX_BUFTYPE ： PLL1 CLKinX / CLKinX *缓冲模式控制..................................... 34
16.8.2 CLKin_SEL ： PLL1参考时钟选择和恢复模式控制位.................. 35
16.8.3 CLKinX_LOS ............................................................................................................. 35
16.8.4 PLL1参考时钟LOS超时控制......................................... ......................... 35
16.8.5 LOS输出类型控制........................................... ................................................. 35
16.9寄存器12 ..................................................................................................................... 35
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