USB CDC Transmitt block
This block supports USB Device CDC FS/HS interface on STM microcontrollers.

Contents
Block parameters for USB FS and HS interface
- USB type – switch between USB FS and HS
- Timeout – timeout in ms
- Sample time – period of function refreshing (-1 means that a particular block takes sample time from its input block or if it doesn’t have any input block it takes the fastest sample time in a model)

Settings for STM32H7 USB FS and HS
- Set USB CDC Setup block first