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CY7C65213-28PVXI problem in Windows 8 | Cypress Semiconductor

CY7C65213-28PVXI problem in Windows 8

Summary: 1 Reply, Latest post by Haneesh on 25 Aug 2015 05:08 AM PDT
Verified Answers: 0
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jsgsslo_1413256's picture
1 post

I'm using a CY7C65213-28PVXI as a USB-UART bridge to talk to an Atmel AVR (running the Optiboot bootloader).  I'm using AVRDUDE to program the AVR.  The CY7C65213-28PVXI works flawlessly with AVRDUDE under Linux and Mac, but I am having problems with Windows.  I installed the Cypress serial drivers so that it appears as a COM port in the Device Manager.

It seems that after a transmission of a few consecutive bytes from the PC, there is some problem.  I have played with the baud rates and FIFO settings.  Any thoughts?

Also, is there a way to not have to install the drivers every time?  Otherwise, the device shows up as 'Virtual Serial Port Device 00' and not as a COM port.

Haneesh's picture
Cypress Employee
18 posts


Can you please elaborate the issue you are facing with consecutive bytes transfer? Or steps to reproduce the issue?

Regarding driver installation problem:

Have you tried using  Cypress Driver Installer available in the link:


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