pranitamm

in my project i require bcd at port 0 and 3 of microcontroller 89s52 since there are three 7447 connected (i.e p0.0-p0.3 to 7447(1) lsb, p0.4-p0.7 to7447(1), p3.0-p3.3 to7447(3)msb) which...