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M66592FP Datasheet(PDF) 39 Page - Renesas Technology Corp |
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M66592FP Datasheet(HTML) 39 Page - Renesas Technology Corp |
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39 / 127 page ![]() M66592F P/W G Rev 1.00 2004.10.01 page 39 of 125 2.11 USB address((low-power recovery) USB address/low-power status recovery register [RECOVER] <Address: 50H> 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 STSRECOV USBADDR ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 0 - - 0 0 - - 0 0 - - 0 ? ? ? ? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Bit Name Function S/W H/W Note 15-11 Nothing is placed here. These should be fixed at “0”. 10-8 STSRECOV Status recovery Status recovery after the low-power sleep state 000: reserved 001: Full-Speed Default state 010: Full-Speed Address state 011: Full-Speed Configured state 100: reserved 101: Hi-Speed Default state 110: Hi-Speed Address state 111: Hi-Speed Configured state R/W R 3.1.5 *1) 7 Nothing is placed here. This should be fixed at "0". 6-0 USBADDR USB address USB address confirmation and recovery R/W R/W 3.1.5 *1) «Note» *1) When a recovery has been made from the low-power sleep state to the normal mode, the communication speed, device state and USB address have to be returned to the values backed up bysoftware. “STSRECOV=x00” should not be set. 2.12 USB request register The USB request register is used to store setup requests for control transfers. The values of USB requests that have been received are stored here. USB request type register [USBREQ] <Address: 54H> 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Brequest bmRequestType 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Bit Name Function S/W H/W Note 15-8 bRequest Request The USB request bRequest value is stored here. R W 3.6.1 7-0 bmRequestType Request type The USB request bmRequestType is stored here. R W 3.6.1 «Note» None in particular |
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