Jun 05, 2019
07:56 AM
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Jun 05, 2019
07:56 AM
I am using a CY8C4127AXI-S443 and need to add an external crystal to the design to improve the timing accuracy of the system clock. Where can I find the app note or information on how to add this crystal? Thank you.
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Jun 06, 2019
02:12 AM
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Jun 06, 2019
02:12 AM
Hello Ronald,
Please refer to the schematic link below for connecting the External crystal (page 4):
https://www.cypress.com/file/443821/download
The page 12 of the datasheet gives the pins for connecting the Crystal:
https://www.cypress.com/file/396611/download
The crystal manufacturer typically provides numerical values for parameters, namely the maximum drive level (DL), the equivalent series resistance (ESR) and the parallel load capacitance (CL)
Best Regard
Ekta
2 Replies