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    • 4. 发明申请
    • Enhanced Microprocessor or Microcontroller
    • 增强微处理器或微控制器
    • US20090144481A1
    • 2009-06-04
    • US12147746
    • 2008-06-27
    • Joseph JulicherZacharias Marthinus SmitSean SteedmanVivien DelportJerrold S. ZdenekRyan Scott EllisonEric Schroeder
    • Joseph JulicherZacharias Marthinus SmitSean SteedmanVivien DelportJerrold S. ZdenekRyan Scott EllisonEric Schroeder
    • G06F12/06
    • G06F9/461
    • A microcontroller device has a central processing unit (CPU); a data memory coupled with the CPU divided into a plurality of memory banks, a plurality of special function registers and general purpose registers which may be memory-mapped, wherein at least the following special function registers are memory-mapped to all memory banks: a status register, a bank select register, a plurality of indirect memory address registers, a working register, and a program counter high latch; and wherein upon occurrence of a context switch, the CPU is operable to automatically save the content of the status register, the bank select register, the plurality of indirect memory address registers, the working register, and the program counter high latch, and upon return from the context switch restores the content of the status register, the bank select register, the plurality of indirect memory address registers, the working register, and the program counter high latch.
    • 微控制器设备具有中央处理单元(CPU); 与被分成多个存储体的CPU耦合的数据存储器,可以被存储器映射的多个特殊功能寄存器和通用寄存器,其中至少以下特殊功能寄存器被存储器映射到所有存储体:a 状态寄存器,存储体选择寄存器,多个间接存储器地址寄存器,工作寄存器和程序计数器高锁存器; 并且其中在出现上下文切换时,所述CPU可操作以自动保存状态寄存器,存储体选择寄存器,多个间接存储器地址寄存器,工作寄存器和程序计数器高锁存器的内容,并且在返回时 从上下文切换恢复状态寄存器,存储体选择寄存器,多个间接存储器地址寄存器,工作寄存器和程序计数器高锁存器的内容。
    • 6. 发明申请
    • Regulator Bypass Start-Up in an Integrated Circuit Device
    • 集成电路设备中的调节器旁路启动
    • US20080273391A1
    • 2008-11-06
    • US12102400
    • 2008-04-14
    • Sean SteedmanVivien DelportJerrold S. ZdenekRuan LourensMichael CharlesJoseph JulicherEric Schroeder
    • Sean SteedmanVivien DelportJerrold S. ZdenekRuan LourensMichael CharlesJoseph JulicherEric Schroeder
    • G11C5/14G11C11/34
    • G11C5/147
    • An internal voltage regulator in an integrated circuit device is always active upon initial start-up and/or power-on-reset operations. The internal voltage regulator protects the low voltage core logic circuits of the integrated circuit device from excessively high voltages that may be present in a particular application. In addition, nonvolatile memory may be part of and operational with the low voltage core logic circuits for storing device operating parameters. Therefore, the internal voltage regulator also protects the low voltage nonvolatile memory from excessive high voltages. Once the integrated circuit device has stabilized and all logic circuits therein are fully function, a bit(s) in the nonvolatile memory may be read to determine if the internal voltage regulator should remain active, e.g., how power operation with a high voltage source, or be placed into a bypass mode for low power operation when the integrated circuit device is powered by a low voltage.
    • 初始启动和/或上电复位操作时,集成电路器件中的内部稳压器始终有效。 内部电压调节器保护集成电路器件的低电压核心逻辑电路免受可能存在于特定应用中的过高的电压。 此外,非易失性存储器可以是用于存储设备操作参数的低压核心逻辑电路的一部分并且可操作。 因此,内部稳压器也可以保护低压非易失性存储器免受过高的高压。 一旦集成电路器件已经稳定并且其中的所有逻辑电路都完全功能,则可以读取非易失性存储器中的位以确定内部电压调节器是否应保持有效,例如,如何使用高电压源进行功率操作, 或者当集成电路器件由低电压供电时,将其置于旁路模式以进行低功耗操作。
    • 7. 发明申请
    • MODULATOR MODULE IN AN INTEGRATED CIRCUIT DEVICE
    • 集成电路设备中的调制器模块
    • US20100188014A1
    • 2010-07-29
    • US12690258
    • 2010-01-20
    • Zeke R. LundstrumKeith CurtisSean SteedmanVivien DelportJerrold S. Zdenek
    • Zeke R. LundstrumKeith CurtisSean SteedmanVivien DelportJerrold S. Zdenek
    • H05B41/36H03C1/00H03C3/00
    • H03C3/00H04L27/122H05B41/2828
    • An integrated circuit device has a modulator module that provides a modulation signal comprising one frequency keyed on and off, or alternating between two or more different frequencies or phases that are selected based upon a modulator signal. The one or more frequencies or phases may be selected from a plurality of frequency sources. Switching the one frequency on or off, or between the at least two different frequencies or phases may be synchronized with one or both of the two or more different frequencies or phases so that “glitches” or spurs are not introduced into the modulation signal. The integrated circuit device may also comprise a processor, memory, digital logic and input-output. Frequency sources may be internal to the digital device or external. The modulator signal may comprise serial data generated from the digital logic and/or processor of the digital device.
    • 集成电路装置具有调制器模块,该调制器模块提供包括基于调制器信号选择的一个频率键控开关或交替的两个或多个不同频率或相位之间的调制信号。 可以从多个频率源中选择一个或多个频率或相位。 将一个频率开启或关闭,或者在至少两个不同频率或相位之间切换可以与两个或更多个不同频率或相位中的一个或两个同步,使得“毛刺”或杂散不被引入到调制信号中。 集成电路设备还可以包括处理器,存储器,数字逻辑和输入 - 输出。 频率源可能在数字设备内部或外部。 调制器信号可以包括从数字设备的数字逻辑和/或处理器产生的串行数据。
    • 8. 发明授权
    • Modulator module in an integrated circuit device
    • 集成电路设备中的调制器模块
    • US08373357B2
    • 2013-02-12
    • US12690258
    • 2010-01-20
    • Zeke R. LundstrumKeith CurtisSean SteedmanVivien DelportJerrold S. Zdenek
    • Zeke R. LundstrumKeith CurtisSean SteedmanVivien DelportJerrold S. Zdenek
    • H05B37/02H03C3/00
    • H03C3/00H04L27/122H05B41/2828
    • An integrated circuit device has a modulator module that provides a modulation signal comprising one frequency keyed on and off, or alternating between two or more different frequencies or phases that are selected based upon a modulator signal. The one or more frequencies or phases may be selected from a plurality of frequency sources. Switching the one frequency on or off, or between the at least two different frequencies or phases may be synchronized with one or both of the two or more different frequencies or phases so that “glitches” or spurs are not introduced into the modulation signal. The integrated circuit device may also comprise a processor, memory, digital logic and input-output. Frequency sources may be internal to the digital device or external. The modulator signal may comprise serial data generated from the digital logic and/or processor of the digital device.
    • 集成电路装置具有调制器模块,该调制器模块提供包括基于调制器信号选择的一个频率键控开关或交替的两个或多个不同频率或相位之间的调制信号。 可以从多个频率源中选择一个或多个频率或相位。 将一个频率开启或关闭,或者在至少两个不同的频率或相位之间切换可以与两个或多个不同的频率或相位中的一个或两个同步,使得毛刺或杂散不被引入到调制信号中。 集成电路设备还可以包括处理器,存储器,数字逻辑和输入 - 输出。 频率源可能在数字设备内部或外部。 调制器信号可以包括从数字设备的数字逻辑和/或处理器产生的串行数据。