PIC18F2320-E/SO PIC18F2320-E/SP PIC18F2320-I/P PIC18F2320-I/SO PIC18F2320-I/SOG pic18f2320-i/sp PIC18F2320T-I/SO PIC18F2320T-I/SOVAO PIC18F2321 PIC18F2321-E/ML