Sep 7, 2007 #1 G gold_2007 Member level 1 Joined Aug 2, 2007 Messages 38 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Location bangalore Activity points 1,500 hi how can a dft engineer makes out whether the netlist has jtag in it . What steps should be taken it it has jtag in it in both dftadvisor and fastscan. thanks in advance
hi how can a dft engineer makes out whether the netlist has jtag in it . What steps should be taken it it has jtag in it in both dftadvisor and fastscan. thanks in advance
Oct 4, 2007 #2 R rameshsuthapalli Full Member level 3 Joined Jun 27, 2006 Messages 154 Helped 24 Reputation 48 Reaction score 7 Trophy points 1,298 Location bangalore,india Activity points 2,129 hi, you can get that information by observing the TCK clock fanout tree.if there are some flops that are there on the tck clock then mostly u r design has jtag. Regards, Ramesh.S
hi, you can get that information by observing the TCK clock fanout tree.if there are some flops that are there on the tck clock then mostly u r design has jtag. Regards, Ramesh.S
Oct 4, 2007 #3 dft_guy Advanced Member level 4 Joined Oct 19, 2006 Messages 111 Helped 24 Reputation 48 Reaction score 8 Trophy points 1,298 Location USA Activity points 2,009 Just look for the TAP interface. If the chip is JTAG compliant, it has a 4 or 5 pin interface, which consists of TCK, TDI, TMS, TDO and maybe TRSTn. John
Just look for the TAP interface. If the chip is JTAG compliant, it has a 4 or 5 pin interface, which consists of TCK, TDI, TMS, TDO and maybe TRSTn. John