Definition and Meaning of JTAG Interface Pins
JTAG has 10-pin, 14-pin, and 20-pin configurations. Although the number of pins and their arrangement differ, some pins are the same across these configurations. The definitions of each pin are as follows. 1. Pin Definitions Test Clock Input (TCK) —– Required 1 TCK is mandated in the IEEE1149.1 standard. TCK provides an independent, basic clock … Read more
