pic数据手册 PIC16F87XA Data Sheet 28/40/44-Pin Enhanced Flash Microcontrollers 2003 Microchip Technology Inc. DS39582B Note the following details of the code protection feature on Microchip devices: Microchip products meet the specification contained in their particular Microchip Data Sheet. Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to ……