PIC18F2420/2520/4420/4520 Data Sheet
28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
2004 Microchip Technology Inc.
Preliminary
DS39631A
http://www.Datasheet4U.com
Note the following details of the code protection feature on Microchip devices: Microchip products meet the specification contained in their particul...