Controlling the EVAL-ADF4351 using an external microcontroller

Hello everyone!

We used the evaluation board EVAL-ADF4351 in our project. Instead of the USB, an external microcontroller was used to write to registers via SPI. However, we failed. Are the test points CLK, DATA and LE on the evaluation board used for external controlling? In other words, is the evaluation board only suit for USB conrolling?

Thanks!

Best regards!

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