Sir, in ur JTAG adaptor ckt u used 74HC244 powered from ARM board. But as board VCC is only 3.3V … how 74hc24 will work? is not it a 5V IC?
thanx…
The “C” in 74HC244 refers to CMOS. The Fairchild datasheet gives the operating range of 2v to 5v DC.
i see…thanx riden 