【arduino】serialEvent()函数为啥不支持Micro板？

下自arduino官网：
serialEvent()Description
Called when data is available. Use Serial.read() to capture this data.
NB : Currently, serialEvent() is not compatible with the Esplora, Leonardo, or Micro
Syntax
void serialEvent(){
//statements
}[Get Code]
Arduino Mega only:
void serialEvent1(){
//statements
}
void serialEvent2(){
//statements
}
void serialEvent3(){
//statements
}[Get Code]
Parameters
statements: any valid statements
买了个Micro折腾了快一周了，原来不支持这个函数！真是智障智障智障，为啥啊？哪位大神知道？