I met abnormal cases in my newly designed board with TUSB1310A.
According to TI's datasheet, TUSB1310A's ULPI_CLK will normally output 60MHz Clock.
And in several board of mine, TUSB1310A's ULPI_CLK did output 60MHz Clock normally.
But in several board, two abnormal cases happened.
Case One: ULPI_CLK did not output clock, it's output is 0.
Case Two: ULPI_CLK output is 120MHz
I am confused by the abnormal cases, so, could you help me !
Thank you !