Here is a list of all modules:

[detail level 1234]

Directories and Files
▼USB Device	API Interface of the USB Device Component
▼Core	Initialize and manage the USB Device Core statically and at run-time
User API	User API reference of the USB Device Core
Configuration	Configuration of the USB Device Core
▼Device Class	Implement application specific behavior of USB Device classes
▼ADC: Audio Device Class	Implement application specific behavior of an Audio Device Class (ADC) USB Device
User API	User API reference of the Audio Device Class
Configuration	Configuration of the USB Device ADC Class in µVision
▼CDC: Communication Device Class (ACM)	Implement application specific behavior of a Communication Device Class (CDC) USB Device using the sub-class Abstract Control Model (ACM)
User API	User API reference of the Communication Device Class (ACM)
Configuration	Configuration of the USB Device CDC (ACM) Class in µVision
▼CDC: Communication Device Class (NCM)	Implement application specific behavior of a Communication Device Class (CDC) USB Device using the sub-class Network Control Model (NCM) for Ethernet-over-USB applications
User API	User API reference of the Communication Device Class (NCM)
Configuration	Configuration of the USB Device CDC (NCM) Class in µVision
▼Custom Class	Implement application specific behavior of a Custom Class USB Device
User API	User API reference of the Custom Device Class
Configuration	Configuration of the USB Device Custom Class in µVision
▼HID: Human Interface Class	Implement application specific behaviour of a Human Interface Device (HID) Class USB Device
User API	User API reference of the Human Interface Device Class
Configuration	Configuration of the USB Device HID Class in µVision
▼MSC: Mass Storage Class	Implement application specific behavior of a Mass Storage Class (MSC) USB Device
User API	User API reference of the Mass Storage Class
Configuration	Configuration of the USB Device MSC Class in µVision
Data Types	Data Types used by USB Device component
▼Debug Events	Event Recorder functions
USBD_Core: Core Functions	Events generated by USB Device - Core functions
USBD_Driver: Driver Functions	Events generated by USB Device - Driver functions
USBD_CustomClass: Custom Class Functions	Events generated by USB Device - Custom Class functions
USBD_ADC: Audio Device Class Functions	Events generated by USB Device - Audio Device Class functions
USBD_CDC: Communication Device Class Functions	Events generated by USB Device - Communication Device Class functions
USBD_HID: Human Interface Device Functions	Events generated by USB Device - Human Interface Device functions
USBD_MSC: Mass Storage Class Functions	Events generated by USB Device - Mass Storage Class functions
▼USB Host	Functions for the USB Host Component. This component is available to MDK-Professional users only
▼Core	Initialize and manage the USB Host Core
User API	User API reference of the USB Host Core
Configuration	Configuration of the USB Host Core in µVision
▼Device Class	Functions to support various USB Device Classes
▼CDC (ACM): Communication Device Class (Abstract Control Model)	USB Host functions to support Communication Device Class (CDC) Abstract Control Model (ACM) USB Devices
User API	User API reference of the Communication Device Class (Abstract Control Model)
Configuration	Configuration of the USB Host CDC Class in µVision
▼Custom Class	USB Host functions to support Custom Class USB Devices
User API	User API reference of the Custom Class
Configuration	Configuration of the USB Host Custom Class in µVision
▼HID: Human Interface Device Class	USB Host functions to support Human Interface Device (HID) USB Devices
User API	User API reference of the Human Interface Device Class
Configuration	Configuration of the USB Host HID Class in µVision
▼MSC: Mass Storage Class	USB Host functions to support Mass Storage Class (MSC) USB Devices
User API	User API reference of the Mass Storage Class
Configuration	Configuration of the USB Host MSC Class in µVision
Data Types	Data Types used by USB Host component
▼Debug Events	Event Recorder functions and definitions
USBH_Core: Core Functions	Events generated by USB Host - Core functions
USBH_Driver: Driver Functions	Events generated by USB Host - Driver functions
USBH_CustomClass: Custom Class Functions	Events generated by USB Host - Custom Class functions
USBH_CDC_ACM: Communication Device Clas ACM Functions	Events generated by USB Host - Communication Device Class ACM functions
USBH_HID: Human Interface Device Functions	Events generated by USB Host - Human Interface Device functions
USBH_MSC: Mass Storage Device Functions	Events generated by USB Host - Mass Storage Device functions
Status and Error Codes	Status and Error Codes returned by USB functions