Csanyi Pal ha scritto:
>> Tomarrow I start to programme with this programmer a PIC 18F4550. I
>> shall put this PIC on to solderless prototyping board of the PIC
>> Programmer For Parallel Port and connecting Vdd, Vss, Vpp, PGD and PGC
>> wires to it's approppriate pins. 
> 
> Just one question more about this Programmer For LPT Port.
> Another mistake is that that in place of 18F4550 I must program
> 18F2550. Can I use this programmer to program the 18F2550 too with a
> firmware? 

yes, you can- they only differ in output ports.
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