Hello Cash, 1. In LPM3 without an Xtal, Aclk is clocked by the VLO for this device. The VLO is approximately 12kHz, but can vary due to environmental factors. 2. The calibration data you reference is for the DCO. Aclk cannot use the DCO in this device so this data is not relevant to your current application. However, having this data missing in the first place is of some concern. This data should be here coming from TI. If it is not, then it could of been overwritten via programming . I would make sure to implicitly configure ACLK to use the VLO to avoid issues since you are not using an Xtal.
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