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How many pins does it take to burn a typical 8bit pic?
Posted: Fri Dec 09, 2011 4:02 am
by Werner
Hi Guys, I was just wondering how many pins are required to burn program your typical 8 bit pic. I found some SMT boards that have some very small SMT pic’s on them. The board has 5 edge pads and it looks to me that they used the edge pads to program the chip after assembly of the board? What do think?
Have a great day!
Werner
Re: How many pins does it take to burn a typical 8bit pic?
Posted: Fri Dec 09, 2011 5:30 am
by brandonb
5 pins, vpp(programming voltage 12volts) -5v - ground - in circuit serial data and - in circuit serial clock.... all of these are supplied directly from your pickit2 or what ever you use for a programmer.... i tried to upload a picture of the one i made with the zif adapter for 40 pin dip but when shrunk its too big still at 560kb....... you have to watch out because the pins are different for different chips of the same pin count
Re: How many pins does it take to burn a typical 8bit pic?
Posted: Fri Dec 09, 2011 11:42 am
by Benj
Hello,
If you have a EB006 multiprogrammer or HP488 dev board then you can use this as a ICSP programmer the same as you can use the PICkit programmers.
- ICSP from DEVBD.gif (16.12 KiB) Viewed 3567 times
Remember to keep the cables short to reduce the effects of stray capacitance and transmission lines.
ICSP pins are the same as mentioned by brandonb,
1 - MCLR
2 - VDD
3 - VSS
4 - PGD
5 - PGC
6 - LVP or Disconnected