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    • 13. 发明授权
    • Clocking analog components operating in a digital system
    • 在数字系统中运行的时钟模拟组件
    • US08299951B1
    • 2012-10-30
    • US13103862
    • 2011-05-09
    • Harold KutzTimothy Williams
    • Harold KutzTimothy Williams
    • H03M1/50
    • H03M1/0818H03M1/12H03M1/66
    • A system and method are provided for operating first and second components in first and second domains. In one embodiment, the method includes: generating a plurality of clock signals shifted relative to one another; operating a first component in a first domain using a first one of the plurality of clock signals; operating a second component in a second domain using a second one of the plurality of clock signals selected using a selection component; and comparing a present output of the second component to a stored value, determining whether a variation between the present output and the stored value is greater than a threshold, and, if the variation is greater than the threshold, using a controller to cause the selection component to select a third clock signal from the plurality of clock signals that is shifted relative to the second clock signal to drive the second component.
    • 提供了用于在第一和第二域中操作第一和第二组件的系统和方法。 在一个实施例中,该方法包括:产生相对于彼此移位的多个时钟信号; 使用所述多个时钟信号中的第一个来操作第一域中的第一分量; 使用使用选择部件选择的所述多个时钟信号中的第二个来操作第二域中的第二分量; 以及将所述第二分量的当前输出与存储值进行比较,确定所述当前输出和所述存储值之间的变化是否大于阈值,并且如果所述变化大于所述阈值,则使用控制器使所述选择 从相对于第二时钟信号偏移的多个时钟信号中选择第三时钟信号以驱动第二分量。
    • 14. 发明授权
    • Clocking analog components operating in a digital system
    • 在数字系统中运行的时钟模拟组件
    • US07940202B1
    • 2011-05-10
    • US12533772
    • 2009-07-31
    • Harold KutzTimothy Williams
    • Harold KutzTimothy Williams
    • H03M1/50
    • H03M1/0818H03M1/12H03M1/66
    • In one example, a clock generation component is configured to receive a master clock and generate a plurality of clock signals that are shifted relative to one another for a chip having an analog domain and a digital domain. A first selection component is configured to select a first one of the generated clock signals and drive the digital domain according to the first clock signal. A second selection component is configured to select a second one of the generated clock signals that is shifted relative to the first clock signal currently used to drive the digital domain for driving an analog component of the analog domain.
    • 在一个示例中,时钟生成部件被配置为接收主时钟并且生成相对于彼此偏移的多个时钟信号,用于具有模拟域和数字域的芯片。 第一选择部件被配置为选择所生成的时钟信号中的第一个,并根据第一时钟信号驱动数字域。 第二选择部件被配置为选择相对于当前用于驱动数字域的驱动模拟域的模拟分量的第一时钟信号移位的生成的时钟信号中的第二选择部件。
    • 16. 发明授权
    • Method and circuit for providing a system level reset function for an electronic device
    • 为电子设备提供系统电平复位功能的方法和电路
    • US07089133B1
    • 2006-08-08
    • US10942523
    • 2004-09-15
    • Timothy WilliamsHarold KutzEric BlomWarren Snyder
    • Timothy WilliamsHarold KutzEric BlomWarren Snyder
    • G06F19/00G06F1/24
    • G06F1/24
    • A method and circuit provide a system level reset function for an electronic device. An initial reset function is provided under a low voltage condition of supply voltage, such as occur upon first energizing the electronic device. A tunable reset function is also provided, which can first be asserted at a voltage level setting less precise than that setting becomes upon tuning. Further, a boot-up reset function is provided, which provides its reset function at a voltage level setting that is set according to a calibration. Calibration can be based on data stored in a non-volatile memory, and can involve a checksum operation. The electronic device, a microcontroller for instance, is held in a reset state with any of the initial, tunable, and boot-up reset functions.
    • 方法和电路为电子设备提供系统级复位功能。 在电源电压的低电压条件下提供初始复位功能,例如在电子设备首次通电时发生。 还提供了可调谐复位功能,其可以首先在比调谐时设置的精度低的电压电平设置下被断言。 此外,提供启动复位功能,其提供其按照校准设置的电压电平设置的复位功能。 校准可以基于存储在非易失性存储器中的数据,并且可以涉及校验和操作。 例如,电子设备(例如微控制器)被保持在具有任何初始,可调谐和启动复位功能的复位状态。
    • 17. 发明授权
    • Multiplexer for a TX/RX capacitance sensing panel
    • 用于TX / RX电容检测面板的多路复用器
    • US09377905B1
    • 2016-06-28
    • US13360296
    • 2012-01-27
    • Edward GrivnaTimothy WilliamsHans Klein
    • Edward GrivnaTimothy WilliamsHans Klein
    • G06F3/044G06F3/041
    • G06F3/044G06F3/0416G06F2203/04111
    • An embodiment of a multiplexer circuit may include a plurality of PTOTAL receive (RX) channel outputs and a plurality of QTOTAL pins, where QTOTAL is greater than PTOTAL. Each of a first subset and a third subset of the plurality of QTOTAL pins may be switchably coupled to at least one of the plurality of RX channels, each of a second subset of the plurality of QTOTAL pins is switchably coupled to two of the plurality of RX channels, and for each possible subset of PTOTAL contiguous pins from the plurality of QTOTAL pins, each pin in the possible subset may be switchably coupled to a different RX channel output of the plurality of RX channel outputs.
    • 多路复用器电路的实施例可以包括多个PTOTAL接收(RX)信道输出和多个QTOTAL引脚,其中QTOTAL大于PTOTAL。 多个QTOTAL引脚的第一子集和第三子集中的每一个可以可切换地耦合到多个RX信道中的至少一个,多个QTOTAL引脚的第二子集中的每一个可切换地耦合到多个 RX通道,并且对于来自多个QTOTAL引脚的PTOTAL连续引脚的每个可能子集,可能子集中的每个引脚可以可切换地耦合到多个RX通道输出的不同RX通道输出。
    • 20. 发明申请
    • ORTHOGONAL REGISTER ACCESS
    • 正交寄存器访问
    • US20080263328A1
    • 2008-10-23
    • US11859547
    • 2007-09-21
    • Timothy WilliamsGregory John VergeDennis Seguine
    • Timothy WilliamsGregory John VergeDennis Seguine
    • G06F9/38
    • G06F7/785
    • Embodiments of the invention relate to a method and system for accessing a set of parallel registers orthogonally. A decoder may be used to select a particular row or column of the set of parallel registers to perform register operations in a parallel fashion corresponding to the selected row or in an orthogonal fashion corresponding to the selected column. Thus, when a particular row is selected, a register operation may be carried out for each bit of the selected row to produce a parallel register output, such as by reading/writing each bit of the selected row to a parallel register. On the other hand, when a particular column is selected, a register operation may be carried out for each bit of the selected column, such as by reading/writing each bit of the selected column to an orthogonal register. The orthogonal register access allows for fast and efficient access to a particular bit in the set of parallel registers.
    • 本发明的实施例涉及一种用于正交地访问一组并行寄存器的方法和系统。 解码器可以用于选择并行寄存器集合的特定行或列,以对应于所选行的并行方式或对应于所选列的正交方式执行寄存器操作。 因此,当选择特定行时,可以对所选择的行的每个位执行寄存器操作以产生并行寄存器输出,例如通过将所选择的行的每个位读/写到并行寄存器。 另一方面,当选择特定列时,可以对所选列的每个位执行寄存器操作,例如通过将所选列的每个位读/写为正交寄存器。 正交寄存器访问允许快速和有效地访问该并行寄存器集合中的特定位。