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    • 3. 发明授权
    • Clock regeneration circuit
    • 时钟再生电路
    • US07836323B2
    • 2010-11-16
    • US11924998
    • 2007-10-26
    • Kensuke FujimuraNaoki Tanahashi
    • Kensuke FujimuraNaoki Tanahashi
    • G01D1/00
    • H04N21/4305
    • There is disclosed a clock regeneration circuit having a PCR buffer including a register which buffers a PCR extracted from a transmission signal, a counter which counts a reception side reference clock CKr, an STC buffer including a register which buffers a counted value of the counter, and a CPU which generates a signal indicating a difference between a transmission side reference clock and the reception side reference clock CKr based on values held in the PCR buffer and the STC buffer. If, at this point, a new PCR is input before the values held in the PCR buffer and the STC buffer are read by the CPU, the PCR buffer and the STC buffer are not updated.
    • 公开了一种具有PCR缓冲器的时钟再生电路,该缓冲器包括缓存从发送信号提取的PCR的寄存器,对接收侧基准时钟CKr进行计数的计数器,包括缓冲计数器的计数值的寄存器的STC缓冲器, 以及CPU,其基于保持在PCR缓冲器和STC缓冲器中的值生成指示发送侧基准时钟和接收侧基准时钟CKr之间的差的信号。 如果在此时,在PCR缓冲器中保持的值和CPU读取STC缓冲器之前输入新的PCR,则不更新PCR缓冲器和STC缓冲器。
    • 4. 发明申请
    • CLOCK REGENERATION CIRCUIT
    • 时钟再生电路
    • US20080100359A1
    • 2008-05-01
    • US11924998
    • 2007-10-26
    • Kensuke FujimuraNaoki Tanahashi
    • Kensuke FujimuraNaoki Tanahashi
    • H03K5/05
    • H04N21/4305
    • There is disclosed a clock regeneration circuit having a PCR buffer including a register which buffers a PCR extracted from a transmission signal, a counter which counts a reception side reference clock CKr, an STC buffer including a register which buffers a counted value of the counter, and a CPU which generates a signal indicating a difference between a transmission side reference clock and the reception side reference clock CKr based on values held in the PCR buffer and the STC buffer. If, at this point, a new PCR is input before the values held in the PCR buffer and the STC buffer are read by the CPU, the PCR buffer and the STC buffer are not updated.
    • 公开了一种具有PCR缓冲器的时钟再生电路,该缓冲器包括缓存从发送信号提取的PCR的寄存器,对接收侧基准时钟CKr进行计数的计数器,包括缓冲计数器的计数值的寄存器的STC缓冲器, 以及CPU,其基于保持在PCR缓冲器和STC缓冲器中的值生成指示发送侧基准时钟和接收侧基准时钟CKr之间的差的信号。 如果在此时,在PCR缓冲器中保持的值和CPU读取STC缓冲器之前输入新的PCR,则不更新PCR缓冲器和STC缓冲器。