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In this AN "AN86439 - PSoC® 4 - Using GPIO Pins"at page#41 available at this link:
it is mentioned that :
Clocks in PSoC 4 cannot be directly connected to a pin terminal, except for SYSCLK and LFCLK. See the "Clocking System" section of the PSoC 4 Architecture TRM for more information
Try the method suggested in "GPIO Input Synchronization" topic in the above AN . I am not 100% sure but it may help.
Thank you for the info. I cannot try the input sych. method specified in the app note, as such modules are not available for a CyBBLE022001-00. I may bring out the SYSCLK and try to use codec's clock divider/PLL.