InApplication Programming(IAP) is developed as the newest technique in design or development for microcontroller application system. User program can erase Flash program memory block,program byte and verify byte.

• 单片机在应用中编程IAP(InApplicationProgramming)是单片机应用的新技术,可以实现用户应用程序对FLASH存储器编程、擦除和读存储器等功能,但是,使用单片机高级语言C51编程开发应用程序时不容易直接调用IAP功能。