Five connections are required to program a PIC. ![]() I add a 5 pin header to my circuit boards to make this connection quick and easy. Impossible for surface mount parts.įive connections are needed to program a PIC while attached to an application circuit. Its a pain to move chips in & out of the programmer during development. There are no programming sockets for small package chips. It is a way of programming a PIC while it is still attached to the application circuit. ICSP means 'in circuit serial programmer(ing?)'. A different clip is needed for each chip type and pin count you use. There are really expensive ($100s) clips that can attach to, and program, these chips. There are no standard sockets for QFN, SSOP, QFP, or even the large SOIC.300 packages. ![]() Things get more difficult with smaller (surface mount) chips. Pop it into a socketed programmer, burn, and return to the application circuit. Programming a big DIP (through hole) chip is easy.
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