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AIROC™ Bluetooth Forum Discussions

GrCa_1363456
Level 5
First comment on KBA First comment on blog 250 sign-ins
Level 5

Specifically, what will a 24MHz clock signal look like on any GPIO port pin?

What factors will affect the shape of that signal?

Additional Questions:

      • What is the rise time of any individual pin?
      • What factors effect rise time?
      • What is the fall time of any individual pin and what effects fall time?
      • If VDDO is set at 1.8V, can a GPIO Port pin be connected directly or indirectly to a 3.3V pullup?

If there is a Technical Reference Manual available for any of the CYW20xxx products, that may contain the answers I seek.

Aside: I did find GPIO Documentation linked from Device Configurator in ModusToolbox @ https://infineon.github.io/btsdk-docs/BT-SDK/20721-B2_Bluetooth/API/group___g_p_i_o_driver.html . I don't see actual expected physical performance characteristics here.

Greg

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AnjanaM_61
Moderator
Moderator First comment on KBA 5 questions asked First question asked
Moderator

Hello @GrCa_1363456 

There is no Technical Reference Manual for CYW20xx products. 

For the specific queries which you have asked, we need to check with our HW team & revert back.

Regards,

Anjana

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