Pull-Up and Pull-Down Signals in JTAG
1 Description in the JTAG Standard Latest JTAG standard: IEEE_std_1149.1-2001 Figure 1 JTAG Principle 1.1 TMS TMS is the start enable signal (Standard PAGE-11), pull-up: 1.2 TCK TCK is the clock signal (Standard PAGE-9) effective on the rising or falling edge, can be pulled up or pulled down, depending on specific device requirements: 1.3 TDI … Read more