PIC18F4320-E/ML PIC18F4320-E/P PIC18F4320-E/PT PIC18F4320-I/ML PIC18F4320-I/P PIC18F4320-I/P244 PIC18F4320-I/PI PIC18F4320-I/PI. PIC18F4320I/PT PIC18F-4320-I/PT