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LMX8410LEVM: LMX8410LEVM not possible to read the value of registers over SPI

Part Number: LMX8410LEVM

Dear community,
I am working, now with the TI board LMX8410LEVM.
I have a problem, I can not read the value of the registers, the MISO signal is always 0.

Here is the description of my workflow.

The connection to the board is over SPI.
I use the user guide for configuration of the registers.

In the user guide is is notice to set MOSI (MUXout) to Readback on the board, muss set register R0<2> = 0.
The board is initialized so like showed in user guide.
Registers: R127 = 0x0003; R6 = 0x0100; R127 = 0x0000.

Best regards,
Iordan Pentchev.