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LMK05028EVM: Why does setting R12[7] twice at the end of configuration not work?

Part Number: LMK05028EVM
Other Parts Discussed in Thread: LMK05028

After reconfiguring the LMK05028 device using the I2C interface the datasheet section 9.5.5 says  

5. Write 1b to R12[7] to assert soft-reset. This does not reset register values.

6. Write 1b to R12[7]) to begin normal device operation (starting with VCO calibration and PLL start-up).

This does not seem to work for me. If I write R12[6] (SYNC_SW) to 1 then clear it instead, it works some of the time. By some of the time I mean when reading R13 it returns 0x0 (passing) Other times it returns 0x4.

If I run through the entire configuration sequence twice and set and clear R12[6] instead of R12[7] configuration seems to pass consistently. Is this the expected behavior? Is the documentation correct?