This question is further to: Does the CX3 really need a clock buffer?
What are the drive requirements for the REFCLK and CLKIN pins on the CX3? If I want to select an oscillator to drive them, I need to know the input current and capacitance of these pins The datasheet and TRM don't seem to give this information.
Is this information available somewhere?
Solved! Go to Solution.
You can refer to Tania kit schematics for the oscillator part https://www.cypress.com/documentation/development-kitsboards/tania-cypress-cx3-socionext-isp-referen... as Tania kit uses the same oscillator for driving REFCLK and CLKIN without a clock buffer
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