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arduo
arduo
Associate III
January 30, 2019
Question

USBDevice/CDC Standalone Example not working USB FS

  • January 30, 2019
  • 2 replies
  • 595 views

Hi,

i tried to use the USB Device CDC Standalone example to make my MCU (STM32F407iG) working as a USB TO Serial Converter Bridge like a PL2303TA Chip. But somehow the USB FS doesn't connect to my PC. What am i doing wrong do i need to change the clock?

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2 replies

S.Ma
S.Ma
Principal
January 30, 2019

Usb needs 48mhz clock with a certain precision, check this point.

MishaT
MishaT
Associate II
January 30, 2019

Can you still try increasing min.heap size and min.stack size

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