时钟发生器Si5347，使用锁相环B手动切换主备时钟，如何查询当前使用的是哪一路时钟输入？

Base/blank prototyping device:Quad PLL Jitter Attenuator:8-outputs up to 800 MHz

Low-Jitter, Quad DSPLL, 8-Output, Any Frequency (<712.5MHz), Any Output, Jitter Attenuator

"Factory pre-programmedQuad PLL Jitter Attenuator:8-outputs up to 800 MHz"

Quad DSPLL™抖动衰减器、Quad DSPLL™ Jitter Attenuators

SI5347D-D、SI5347、SI5347D系列

Factory pre-programmed: Quad PLL Jitter Attenuator, 4-outputs up to 350 MHz.

64-Lead QFN

Quad DSPLL™抖动衰减器、Quad DSPLL™ Jitter Attenuators

SI5347D-D、SI5347、SI5347D系列

Factory pre-programmed: Quad PLL Jitter Attenuator, 4-outputs up to 350 MHz.

64-Lead QFN

Low-Jitter, Quad DSPLL, 8-Output, Any Frequency (<712.5MHz), Any Output, Jitter Attenuator

Low-Jitter, 4-Output, Any Frequency (<350MHz), Any Output, Jitter Attenuator

Low-Jitter, Dual DSPLL, 4-Output, Any Frequency (<350MHz), Any Output, Jitter Attenuator

带数控振荡器的高频、超低抖动衰减器时钟、HIGH-FREQUENCY, ULTRA-LOW JITTER ATTENUATOR CLOCK WITH DIGITALLY-CONTROLLED OSCILLATOR

SI5342H、SI5342系列

Blank protoyping device: Coherent Optical Jitter Attenuator Clock 2-outputs <2.7GHz.频点定制.时钟定制.可编程服务.频点烧录

44-Lead QFN

10通道，任何频率，任何输出抖动衰减器/时钟倍增器、10-Channel, Any-Frequency, Any-Output Jitter Attenuator/ Clock Multiplier

SI5345A、SI5345系列

Base/blank prototyping device:Single PLL Jitter Attenuator:10-outputs up to 800 MHz;频点定制.时钟定制.可编程服务.频点烧录

64-QFN

Low-Jitter, 4-Output, Any Frequency (<350MHz), Any Output, Jitter Attenuator

双/四DSPLL™抖动衰减器、Dual/Quad DSPLL™ Jitter Attenuators

SI5346、SI5346A系列

Factory pre-programmedDUAL PLL Jitter Attenuator:4-outputs up to 800 MHz.频点定制.时钟定制.可编程服务.频点烧录

44-Lead QFN

Base/blank prototyping device:Single PLL Jitter Attenuator:2-outputs up to 800 MHz;

Base/blank prototyping device:

10输出低抖动任意频率时钟发生器、10-Output Low Jitter Any-Frequency Clock Generator

Si5341、Si5341B系列

Ultra low-jitter, 10-output, any frequency (< 350MHz), any output clock generator

64-QFN

si5341-d-evb

带数控振荡器的高频、超低抖动衰减器时钟、HIGH-FREQUENCY, ULTRA-LOW JITTER ATTENUATOR CLOCK WITH DIGITALLY-CONTROLLED OSCILLATOR

SI5344H、SI5344系列

Blank protoyping device: Coherent Optical Jitter Attenuator Clock 4-outputs <2.7GHz.频点定制.时钟定制.可编程服务.频点烧录

44-Lead QFN

10通道，任何频率，任何输出抖动衰减器/时钟倍增器、10-Channel, Any-Frequency, Any-Output Jitter Attenuator/ Clock Multiplier

SI5345B、SI5345系列

Base/blank prototyping device:Single PLL Jitter Attenuator:10-outputs up to 350 MHz;频点定制.时钟定制.可编程服务.频点烧录

64-QFN

带数控振荡器的高频、超低抖动衰减器时钟、HIGH-FREQUENCY, ULTRA-LOW JITTER ATTENUATOR CLOCK WITH DIGITALLY-CONTROLLED OSCILLATOR

SI5342H、SI5342系列

Blank protoyping device: Coherent Optical Jitter Attenuator Clock 2-outputs <2.7GHz. 频点定制.时钟定制.可编程服务.频点烧录

44-Lead QFN

低抖动，4输出，任意频率，任意输出时钟发生器、Low-Jitter, 4-Output, Any-Frequency, Any-Output Clock Generator

SI5340、SI5340A系列

Base/blank prototyping device:Clock Generator:4-outputs up to 800 MHz;Integer+Fractional synthesis 频点定制.时钟定制.可编程服务.频点烧录

44-QFN

Factory pre-programmed:Single PLL Jitter Attenuator:4-outputs up to 350 MHz;

低抖动，4输出，任意频率，任意输出时钟发生器、Low-Jitter, 4-Output, Any-Frequency, Any-Output Clock Generator

SI5340、SI5340B系列

Factory pre-programmed: Clock Generator: 4-outputs up to 350 MHz; Integer+Fractional synthesis.

44-QFN

Factory pre-programmed:Clock Generator:4-outputs up to 350 MHz;

Base/blank prototyping device:Single PLL Jitter Attenuator:4-outputs up to 800 MHz;Integer+Fractional synthesis

Low-Jitter, 10-Output, Any Frequency (<1028MHz), Any Output, Jitter Attenuator

低抖动，10输出，任意频率，任意输出时钟发生器、Low-Jitter, 10-Output, Any-Frequency, Any-Output Clock Generator

SI5341B、SI5341系列

Base/blank prototyping device:频点定制.时钟定制.可编程服务.频点烧录

64-QFN

10通道，任何频率，任何输出抖动衰减器/时钟倍增器、10-Channel, Any-Frequency, Any-Output Jitter Attenuator/ Clock Multiplier

SI5345A、SI5345系列

Base/blank prototyping device:Single PLL Jitter Attenuator:10-outputs up to 800 MHz;频点定制.时钟定制.可编程服务.频点烧录

64-QFN

Base blank prototyping device: Clock Generator:10-outputs up to 350 MHz;Integer+Fractional synthesis

Factory pre-programmed:Clock Generator:10-outputs up to 350 MHz;Integer+Fractional synthesis

4输出低相位噪声抖动衰减时钟发生器、4-Output Low Phase Noise Jitter Attenuating Clock Generator

SI5344、SI5344B-D、SI5344B-Dxxxxx-GM系列

Factory pre-programmed: Single PLL Jitter Attenuator, 4-outputs up to 350 MHz, Integer+Fractional synthesis .

44-QFN

评估板

The Si5345-EVB is used for evaluating the Si5345Any-Frequency, Any-Output, Jitter-Attenuating ClockMultiplier.

SI5345