On Apr 17, 10:52 pm, mattschinkel <[email protected]> wrote: > > pickit2 clone any day now from China. > > I have a pickit2 clone as well, and I love it. > > This 18F67J50 PIC looks nice and I should try it someday. Is the ICSP > schematic different for 3v PIC? does the PK2 programmer auto detect > and set the voltage accordingly? > > How may I use a 18F67J50 I/O pin that switches between input/output > with a 5v device (such as a hard disk)? > > Matt Most 5V devices will work with a 3V logic 1 Original TTL logic 1 is only 2.7V, so many original LS chips can connect direct to 3.3V VDD logic in Ports B, D, E, G and J are 5.5V tolerant and allow pullups to 5V Ports A, C, F, H are VDD (i.e. 3.3) only except for a few pins of C & H See 18F87J5x datasheet
ICSP is the same, except voltages are different. hence you need a PICkit2 , Pickit3 etc, not a JDM like I have for last 7 years. I'd manually select 18xxJxx or 18xxKxx family before connecting to make sure. These are separate menu item to 18F -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
