Jolanta Szarzy=F1ska wrote:
> What program in asembler can send 4 bytes through rs422 port to
> PIC16F627A,

And what machine is the assembler program supposed to run on?

> and then this pic
> send this bytes (4 x 8bits)to LEDs (8 LEDs in 4 groups).

There are lots of ways to do that.  A coherent answer requires a coherent
specification, which yours is not.


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