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USB-Serial: UART Flow Control under CDC - KBA230578

USB-Serial: UART Flow Control under CDC - KBA230578

ChaitanyaV_61
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USB-Serial: UART Flow Control under CDC - KBA230578

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Translation - Japanese: USC-シリアル:CDC下でのUARTフロー制御 – KBA230578 - Community Translated (JA)

Question:
Why does UART Flow Control not work for USB-Serial Devices configured as Communication Device Class (CDC)?

Answer:

Native Windows/Linux/Mac CDC driver does not support UART Flow Control for the USB-Serial devices.

The Hardware Flow Control feature for UART is a custom implementation present in the Cypress CDC driver (CypressUsbConsoleWindowsDriver64). To use the feature, the USB-Serial device must be bound to the Cypress driver.

You can install Cypress CDC and Vendor driver for USB-Serial devices from the SDK installation available at USB-Serial Software Development Kit Page.

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