公开(公告)号：US09032239B2

公开(公告)日：2015-05-12

申请号：US13716029

申请日：2012-12-14

Applicant: STMicroelectronics R&D (Shanghai) Co. Ltd.

Inventor： Panny Cai ,  Martin Haug

IPC: G06F1/04 ,  G06F1/12 ,  G06F11/30 ,  G06F3/044

CPC classification number: G06F1/04 ,  G06F3/044 ,  G06F11/3051

Abstract: A method for recovering a clock frequency of a CAN bus, the method including: receiving a data signal, wherein the data signal includes at least one state transition; detecting the state transition; and adjusting a frequency of a clocking signal generated by an oscillator circuit, wherein the frequency is adjusted when the state transition is detected and adjusting the frequency is for recovering the clock frequency of the CAN bus.

Abstract translation: 一种用于恢复CAN总线的时钟频率的方法，所述方法包括：接收数据信号，其中所述数据信号包括至少一个状态转换; 检测状态转换; 以及调整由振荡器电路产生的时钟信号的频率，其中当检测到状态转换时调整频率，并且调整频率用于恢复CAN总线的时钟频率。