公开(公告)号：US20140112425A1

公开(公告)日：2014-04-24

申请号：US13775119

申请日：2013-02-23

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Tzu-Chien Tzeng ,  Hung-Yi Cheng

IPC: H04L7/033

CPC classification number: H04L7/0331 ,  H03L7/0807 ,  H03L7/103 ,  H03L7/1072 ,  H04L7/033

Abstract: A control method utilized in a clock data recovery device supporting a plurality of frequency bands, for controlling the clock data recovery device to select an operating frequency band from the plurality of frequency bands and to generate a recovery clock for generating retimed data, includes receiving a serial data stream with a data frequency; making each frequency band of the plurality of frequency bands correspond to a plurality of frequency band groups, wherein each frequency band group includes at least one frequency band and corresponds to different frequency ranges; selecting a frequency band group from the plurality of frequency band groups as a coarse-tuned frequency band group according to the data frequency and a locking voltage range; and selecting a frequency band from the plurality of frequency bands according to the data frequency, the locking voltage range and the coarse-tuned frequency band group for generating the recovery clock.

Abstract translation: 一种在支持多个频带的时钟数据恢复装置中使用的控制方法，用于控制时钟数据恢复装置从多个频带中选择工作频带并产生用于产生重新定时数据的恢复时钟，包括： 具有数据频率的串行数据流; 使多个频带的每个频带对应于多个频带组，其中每个频带组包括至少一个频带并对应于不同的频率范围; 根据数据频率和锁定电压范围，从多个频带组中选择频带组作为粗调谐频带组; 以及根据数据频率，锁定电压范围和用于产生恢复时钟的粗调谐频带组从多个频带中选择频带。

公开(公告)号：US09008253B2

公开(公告)日：2015-04-14

申请号：US13775119

申请日：2013-02-23

Applicant: NOVATEK Microelectronics Corp.

Inventor： Tzu-Chien Tzeng ,  Hung-Yi Cheng

IPC: H03D3/24 ,  H04L7/033 ,  H03L7/08 ,  H03L7/10 ,  H03L7/107

CPC classification number: H04L7/0331 ,  H03L7/0807 ,  H03L7/103 ,  H03L7/1072 ,  H04L7/033

Abstract: A control method utilized in a clock data recovery device supporting a plurality of frequency bands, for controlling the clock data recovery device to select an operating frequency band from the plurality of frequency bands and to generate a recovery clock for generating retimed data, includes receiving a serial data stream with a data frequency; making each frequency band of the plurality of frequency bands correspond to a plurality of frequency band groups, wherein each frequency band group includes at least one frequency band and corresponds to different frequency ranges; selecting a frequency band group from the plurality of frequency band groups as a coarse-tuned frequency band group according to the data frequency and a locking voltage range; and selecting a frequency band from the plurality of frequency bands according to the data frequency, the locking voltage range and the coarse-tuned frequency band group for generating the recovery clock.

Abstract translation: 一种在支持多个频带的时钟数据恢复装置中使用的控制方法，用于控制时钟数据恢复装置从多个频带中选择工作频带并产生用于产生重新定时数据的恢复时钟，包括： 具有数据频率的串行数据流; 使多个频带的每个频带对应于多个频带组，其中每个频带组包括至少一个频带并对应于不同的频率范围; 根据数据频率和锁定电压范围，从多个频带组中选择频带组作为粗调谐频带组; 以及根据数据频率，锁定电压范围和用于产生恢复时钟的粗调谐频带组从多个频带中选择频带。