feel_on_on
Full Member level 5
1. There is a PLL in my design. several PLL generated clock control my design,but also a external clock in my design.
2. Now I'm preparing to do at-speed scan testing. I insert a clock controller between PLL and my design. then I add a MUX with external clock and one PLL generated clock . When scan_mode = 1, PLL generated clock work for At-Speed test.
May not clearly I speak ,But I believe someone have done At-Speed testing can understand what i said .
please give a good advice.
2. Now I'm preparing to do at-speed scan testing. I insert a clock controller between PLL and my design. then I add a MUX with external clock and one PLL generated clock . When scan_mode = 1, PLL generated clock work for At-Speed test.
May not clearly I speak ,But I believe someone have done At-Speed testing can understand what i said .
please give a good advice.