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@ -119,14 +119,15 @@ |
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/** \name USB Controller Option Masks */ |
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/** \name USB Controller Option Masks */ |
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//@{
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//@{
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/** Regulator disable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad
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/** Regulator disable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad
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* regulator should be enabled to regulate the data pin voltages to within the USB standard. |
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* regulator should be disabled and the AVR's VCC level used for the data pads. |
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* |
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* |
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* \note See USB AVR data sheet for more information on the internal pad regulator. |
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* \note See USB AVR data sheet for more information on the internal pad regulator. |
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*/ |
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*/ |
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#define USB_OPT_REG_DISABLED (1 << 1) |
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#define USB_OPT_REG_DISABLED (1 << 1) |
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/** Regulator enable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad
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/** Regulator enable option mask for \ref USB_Init(). This indicates that the internal 3.3V USB data pad
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* regulator should be disabled and the AVR's VCC level used for the data pads. |
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* regulator should be enabled to regulate the data pin voltages from the VBUS level down to a level within |
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* the range allowable by the USB standard. |
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* |
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* |
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* \note See USB AVR data sheet for more information on the internal pad regulator. |
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* \note See USB AVR data sheet for more information on the internal pad regulator. |
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*/ |
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*/ |
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