PIC18F6520/8520/6620/8620/6720/8720 Data Sheet 64/.
PIC18LF6720 - (PIC18LFxx20) 64/80-Pin High Performance 1 Mbit Enhanced FLASH Microcontrollers
PIC18LF6720 - (PIC18LF6620/6520/8520/6620/8620/6720/8720) 64/80-Pin High-Performance / 64-Kbyte Enhanced Flash Microcontrollers