Clock compensation circuit, clock circuit and microcontroller

• Main Authors: FENG YUMING, ZHANG LIANG, XU YIJUN, PENG XINCHAO
• Format: Patent
• Language: Chinese; English
• Published: 10.05.2017
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; PULSE TECHNIQUE

The invention discloses a clock compensation circuit, a clock circuit and a microcontroller. The clock compensation circuit includes a detection circuit used for detecting capacitor control parameters used for regulating a target capacitor in the clock circuit, wherein the target capacitor is used for controlling clock frequency output by the clock circuit; a control unit connected to the detection circuit and used for controlling the target capacitor according to the capacitor control parameters detected by the detection circuit so as to regulate the clock frequency output by the clock circuit. By adopting the clock compensation circuit, the clock circuit and the microcontroller provided by the invention, a problem of comparatively large fluctuation of clock frequency output by the clock circuit in related art is solved. 本发明公开了种时钟补偿电路、时钟电路和微控制器。其中，该时钟补偿电路包括：检测电路，用于检测时钟电路中对目标电容进行调节的电容控制参数，其中，目标电容用于控制时钟电路输出的时钟频率；控制单元，连接至检测电路，用于根据检测电路检测到的电容控制参数控制目标电容，以调节时钟电路输出的时钟频率。通过本申请，解决了相关技术中时钟电路输出的时钟频率波动较大的问题。