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Hi friend,
when I simulate the ATPG files in modelsim,appear problem as follows:
# // 0.00 ns : Begin test_setup
# // 200.00 ns : Begin patterns, first pattern = 0
# // 200.00 ns : ...begin scan load for pattern 0
#
# // *** ERROR during scan pattern 0 (detected during load of pattern 1)
# 0 chain1 1 (exp=0, got=1) // pin P3[0], scan cell 1, T= 37440.00 ns
# 0 chain4 1 (exp=0, got=1) // pin P3[3], scan cell 1, T= 37440.00 ns
# 0 chain1 3 (exp=1, got=0) // pin P3[0], scan cell 3, T= 37640.00 ns
# 0 chain4 3 (exp=1, got=0) // pin P3[3], scan cell 3, T= 37640.00 ns
# 0 chain1 5 (exp=0, got=1) // pin P3[0], scan cell 5, T= 37840.00 ns
# 0 chain4 5 (exp=0, got=1) // pin P3[3], scan cell 5, T= 37840.00 ns
# 0 chain1 7 (exp=1, got=0) // pin P3[0], scan cell 7, T= 38040.00 ns
# 0 chain4 7 (exp=1, got=0) // pin P3[3], scan cell 7, T= 38040.00 ns
# 0 chain1 9 (exp=0, got=1) // pin P3[0], scan cell 9, T= 38240.00 ns
# 0 chain4 9 (exp=0, got=1) // pin P3[3], scan cell 9, T= 38240.00 ns
# 0 chain1 11 (exp=1, got=0) // pin P3[0], scan cell 11, T= 38440.00 ns
# 0 chain4 11 (exp=1, got=0) // pin P3[3], scan cell 11, T= 38440.00 ns
# 0 chain1 13 (exp=0, got=1) // pin P3[0], scan cell 13, T= 38640.00 ns
........
........
# 0 chain4 365 (exp=0, got=1) // pin P3[3], scan cell 365, T= 73840.00 ns
# 0 chain1 366 (exp=1, got=0) // pin P3[0], scan cell 366, T= 73940.00 ns
# 0 chain4 366 (exp=1, got=0) // pin P3[3], scan cell 366, T= 73940.00 ns
# 74000.00 ns --BUS CONFLICT-- : AAA_tmax_testbench_1_16.dut.io_pad_inst.P34_PAD
# 74000.00 ns --BUS CONFLICT-- : AAA_tmax_testbench_1_16.dut.io_pad_inst.P30_PAD
#
# // *** ERROR during scan pattern 1 (detected during load of pattern 2)
# 1 chain1 0 (exp=0, got=1) // pin P3[0], scan cell 0, T= 74440.00 ns
# 1 chain4 0 (exp=0, got=1) // pin P3[3], scan cell 0, T= 74440.00 ns
# 1 chain1 1 (exp=1, got=0) // pin P3[0], scan cell 1, T= 74540.00 ns
# 1 chain4 1 (exp=1, got=0) // pin P3[3], scan cell 1, T= 74540.00 ns
# 1 chain4 2 (exp=0, got=1) // pin P3[3], scan cell 2, T= 74640.00 ns
# 1 chain1 3 (exp=0, got=1) // pin P3[0], scan cell 3, T= 74740.00 ns
# 1 chain4 3 (exp=1, got=0) // pin P3[3], scan cell 3, T= 74740.00 ns
# 1 chain1 4 (exp=1, got=0) // pin P3[0], scan cell 4, T= 74840.00 ns
.......
.......
what is the reason that cause "exp=1, got=0" or "exp=0, got=1"?
is it need to add the .sdf to the simulation project??
I am confuse about it.Expect your answer..
thanks
Best regards!! |
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