官方解释:
A component is similar to a fixed function peripheral found in traditional microcontrollers. The components support many of the common microcontroller peripherals such as ADC, DAC, I2C, and SPI as well as application specific features such as LCDs, bootloaders and LED control. The advantage of PSoC is that you have the ability to place and configure the components on the target device. Instead of choosing a device for its features, PSoC embedded developers can tailor PSoC to fit their application. PSoC Creator supports a mixed signal environment providing both digital and analog components. Creator comes equipped with extensible code for each component in the form of APIs. The component APIs provide out-of-the-box code that allows the user to implement peripheral actions using simple function calls reducing development time. For more information on each component see the component datasheet that details the functionality, APIs, and specifications.