API to Increase TX Swing of SSTX line of FX3 – KBA223341

Version: **

 

Question:

Which API can be used to increase the TX swing and where should it be called in the firmware?

 

Answer:

The CyU3PUsbSetTxSwing() API can be used to increase the TX swing. The maximum value that can be passed to the ‘swing’ parameter of the CyU3PUsbSetTxSwing() API is 128.

For more information, see the CyU3PUsbSetTxSwing() API description in the FX3APIGuide.pdf which is available in C:\Program Files (x86)\Cypress\EZ-USB FX3 SDK\1.3\doc\firmware after installing FX3-SDK.