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    • 78. 发明申请
    • ZERO PIN SERIAL INTERFACE
    • US20120075006A1
    • 2012-03-29
    • US13075617
    • 2011-03-30
    • Hoa VuPing Huang
    • Hoa VuPing Huang
    • H01H37/76
    • G01R31/2884
    • A method for controlling performance of an integrated circuit using a zero-pin serial interface is provided. The method comprises identifying a desired performance characteristic of the circuit, and transmitting a first change mode signal to the circuit on a first pin to cause the circuit to enter an instruction reception mode, with the first pin performing differently during a normal operation mode. The method also comprises transmitting a performance adjusting instruction to the circuit on a second pin when the circuit is in the instruction reception mode, with the second pin performing differently during the normal operation mode, and transmitting a second change mode signal to the circuit on the first pin to cause the circuit to enter the normal operation mode. An output performance of the circuit is compared to the desired performance characteristic, with the output performance being the performance of the circuit during the normal operation mode. The circuit is set to permanently provide the output performance when the output performance is within a desired tolerance of the desired performance characteristic.
    • 提供了一种使用零引脚串行接口来控制集成电路的性能的方法。 该方法包括识别电路的期望性能特征,以及在第一引脚上向第一引脚上的电路发送第一改变模式信号以使电路进入指令接收模式,其中第一引脚在正常操作模式期间执行不同的操作。 该方法还包括当电路处于指令接收模式时,向第二引脚上的电路发送性能调整指令,其中第二引脚在正常操作模式期间执行不同的操作,并且向第二引脚上的电路发送第二改变模式信号 第一个引脚使电路进入正常工作模式。 将电路的输出性能与期望的性能特性进行比较,输出性能是正常操作模式期间电路的性能。 当输出性能在期望的性能特性的期望公差内时,电路被设置为永久地提供输出性能。