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TUSB1210EVM: No CLOCK output with TUSB1210EVM in output mode

Part Number: TUSB1210EVM

Dear experts,

I am using TUSB1210EVM  to test OTG function and it is configured into clock output mode. I can see 26MHz clock on REFCLK but there is no output on CLKOUT pin. The power supply is correct and CFG is high(1.8V). What is the possible reason for this failure? What else should I check?

BTW, where can I get the layout file of this EVM? The top layer layout picture in the EVM user's guide does not match with the board(Rev A).