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AT90USB646 Datasheet(PDF) 260 Page - ATMEL Corporation |
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AT90USB646 Datasheet(HTML) 260 Page - ATMEL Corporation |
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260 / 456 page  260 7593L–AVR–09/12 AT90USB64/128 • 7-6 - Reserved The value read from these bits is always 0. Do not set these bits. • 5 – STOE: Suspend Time-out Error Interrupt Enable bit Set to enable the STOI interrupt. Clear to disable the STOI interrupt. • 4 – HNPERRE: HNP Error Interrupt Enable bit Set to enable the HNPERRI interrupt. Clear to disable the HNPERRI interrupt. • 3 – ROLEEXE: Role Exchange Interrupt Enable bit Set to enable the ROLEEXI interrupt. Clear to disable the ROLEEXI interrupt. • 2 – BCERRE: B-Connection Error Interrupt Enable bit Set to enable the BCERRI interrupt. Clear to disable the BCERRI interrupt. • 1 – VBERRE: VBus Error Interrupt Enable bit Set to enable the VBERRI interrupt. Clear to disable the VBERRI interrupt. • 0 – SRPE: SRP Interrupt Enable bit Set to enable the SRPI interrupt. Clear to disable the SRPI interrupt. • 7-6 - Reserved The value read from these bits is always 0. Do not set these bits. • 5 – STOI: Suspend Time-out Error Interrupt flag Set by hardware when a time-out error (more than 150ms) has been detected after a suspend. Shall be cleared by software. • 4 – HNPERRI: HNP Error Interrupt flag Set by hardware when an error has been detected during the protocol. Shall be cleared by software. • 3 – ROLEEXI: Role Exchange Interrupt flag Set by hardware when the USB controller has successfully swapped its mode, due to an HNP negotiation: Host to Device or Device to Host. However the mode selection bit (Host/Device) is unchanged and must be changed by firmware in order to reach the correct RAM locations and events bits. Shall be cleared by software. Bit 7 6 5 4 3 2 1 0 - - STOE HNPERRE ROLEEXE BCERRE VBERRE SRPE OTGIEN Read/write R R R/W R/W R/W R/W R/W R/W Initial value 0 0 0 0 0 0 0 0 Bit 7 6 5 4 3 210 - - STOI HNPERRI ROLEEXI BCERRI VBERRI SRPI OTGINT Read/write R R R/W R/W R/W R/W R/W R/W Initial value 0 0 0 0 0 0 0 0 |
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