/** \name USB Controller Option Masks */
//@{
/** Regulator disable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad
- * regulator should be enabled to regulate the data pin voltages to within the USB standard.
+ * regulator should be disabled and the AVR's VCC level used for the data pads.
*
* \note See USB AVR data sheet for more information on the internal pad regulator.
*/
#define USB_OPT_REG_DISABLED (1 << 1)
/** Regulator enable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad
- * regulator should be disabled and the AVR's VCC level used for the data pads.
+ * regulator should be enabled to regulate the data pin voltages from the VBUS level down to a level within
+ * the range allowable by the USB standard.
*
* \note See USB AVR data sheet for more information on the internal pad regulator.
*/