www.DataSheet4U.com PIC18F2220/2320/4220/4320 Dat.
PIC18LF2320 - (PIC18LF2220 - PIC18LF4320) Enhanced Flash Microcontrollers
www.DataSheet4U.com PIC18F2220/2320/4220/4320 Data Sheet 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt .