SNAA421 November 2025 LMK05318B , LMK5B12204 , LMK5B33216 , LMK5B33414 , LMK5C33216A , LMK5C33414A
The remaining sections provide step-by-step debugging guidance to reach DPLL lock. Before starting the debug procedure, review Start Here: Using TICS Pro for Configuration and Readback and confirm that the LMK supply pin voltage meets the data sheet specification.
Perform the debug steps in sequential order starting with Is the APLL Reference Valid?. Do not skip a section unless specified. If the issue persists after debugging, make a post on the TI public e2e forum, providing detailed debug findings to get further assistance.