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A novel Built-In-Self-Test (BIST) approach is present in this paper to test the clock manager DLL of system-on-chip (SoC). The whole approach is divided into two steps. Firstly, test a single DLL which will be used as the benchmark in step two by introducing a test clock which is the jitter embodiment of the reference clock. The proposed method with a view to test the reference clock jitter tolerance...
A novel configurable frequency synthesizer based on delay-locked-loop (DLL) is presented in this paper, with maximum multiplication factor 10 and maximum division factor 16. A SRAM is employed to store configuration data for different multiplication and division factor. Users only need to change the data stored in the embedded SRAM to obtain frequency needed. The output frequency range is from 25...
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