| VSF Documented
    | 
#include <vsf_usb_CDCECM.h>
| Data Fields | |
| usb_ctrlrequest_t | |
| uint32_t | down | 
| uint32_t | up | 
| usb_cdcecm_notification_speed_change_t::usb_ctrlrequest_t | 
| uint32_t usb_cdcecm_notification_speed_change_t::down | 
| uint32_t usb_cdcecm_notification_speed_change_t::up |