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Change the Core Clock Frequency during Runtime

Category: Hardware
Product Number: ADSP-21489

What is the sequence of commands to change the ADSP-21489 Core Clock frequency using the SPI?



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  • Hi Dan,

    If you are using VisualDSP please refer the below path to Initialize the PLL configuration commands.
    <Installation Path> :\Program Files (x86)\Analog Devices\VisualDSP 5.1.2\214xx\Examples\ADSP-21489 EZ-Board\Power_On_Self_Test\system_init.c

    Or if you are using CCES, please refer the example in Board Support Package (BSP). The BSP can be downloaded from the below link.

    After installing BSP, please navigate as given below.
    <Installation Path> :\Analog Devices\ADSP-21489_EZKIT-Rel1.0.0\21489_EZ-Board\Examples\Power_On_Self_Test\src\system_init.c

    Anand Selvaraj.