STM32F4discovery hight speed USB

its · ‎2012-11-29

Posted on November 30, 2012 at 05:15

Hi:

I am using the USB part of audio playback sample code of STM32F4 discovery. In waverecorder.c I customized the recorder_update() function. I think it stores data at the rate of 12Mbps in USB. M i right?

I want to speed up the transfer rate. how is it possible?

thanks

#usb-storage-hs

Tesla DeLorean · ‎2012-11-30

Posted on November 30, 2012 at 12:40

You need an external PHY for High Speed USB. If it's not practical/desirable to add one consider a different eval board, I recall seeing some on eBay

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its · ‎2012-12-02

Posted on December 03, 2012 at 05:54

thnks. I wanna ask in audio example it uses full speed... did it use 12Mbps or slower than that to store data in USB?

regards