PIC18F2520T-I/SS PIC18F2523-E/ML PIC18F2523-E/SO PIC18F2523-E/SP PIC18F2523-I/ML PIC18F2523-I/SO PIC18F2523-I/SP PIC18F2523T-I/ML PIC18F2523T-I/SO PIC18F2525-1/SO