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    • 6. 发明授权
    • System and method for communicating device information between a device and a controller
    • 用于在设备和控制器之间传送设备信息的系统和方法
    • US06880076B2
    • 2005-04-12
    • US09895062
    • 2001-06-29
    • Robert J. GreinerMatthew MaEdward P. OsburnMichael Stapleton
    • Robert J. GreinerMatthew MaEdward P. OsburnMichael Stapleton
    • G06F1/26G06F15/177
    • G06F1/263
    • Embodiments of the present invention describe a system and method for microprocessor power regulation. An appropriate amount of voltage is provided to a microprocessor based on a voltage identifier (VID) received by a voltage controller from the microprocessor via a serial communication line. A voltage identifier clock signal (VIDClock) is used for the timing of transmission and receipt of data/acknowledgement signals. A guard clock signal (VIDGuard) is provided via a separate guard clock line to prevent potential noise on the clock line from causing a clock signal misidentification, which could cause a wrong value to be received as the VID. VIDGuard is analyzed in relation to ViDClock to verify the value of the clock signal. To verify receipt of the VID data, a voltage identifier acknowledgement line (VIDAck) is transmitted from the voltage regulator to the microprocessor. The acknowledgement signal is checked by a two-part receipt verification, high-to-low and low-to-high.
    • 本发明的实施例描述了一种用于微处理器功率调节的系统和方法。 基于由电压控制器经由串行通信线从微处理器接收的电压标识符(VID)向微处理器提供适当量的电压。 电压识别器时钟信号(VIDClock)用于发送和接收数据/确认信号的定时。 保护时钟信号(VIDGuard)通过单独的保护时钟线提供,以防止时钟线上的潜在噪声导致时钟信号误识别,这可能导致作为VID接收到错误的值。 关于ViDClock分析VIDGuard以验证时钟信号的值。 为了验证VID数据的接收,电压标识符确认线(VIDAck)从电压调节器发送到微处理器。 通过两部分接收验证来检查确认信号,从高到低和从低到高。