Input Ports

Port Name

Required

Description

tck

Yes

This signal is used if ENABLE_JTAG_IO_SELECTION is not zero and select_this input is high.

tdi

Yes

This signal is used if ENABLE_JTAG_IO_SELECTION is not zero and select_this input ishigh.

tms

Yes

This signal is used if ENABLE_JTAG_IO_SELECTION is not zero and select_this input ishigh.

select_this

No

If this input is high, the JTAG accessible extension is connected to the tck, tdi, tms and tdo ports on this Intel® FPGA IP. If this input is low, theJTAG accessible extension is connected to the normal device JTAG pins by the hard configuration logic. This signal is not used if ENABLE_JTAG_IO_SELECTION is zero.