Datasheet

536
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
33.7.2 UDP Global State Register
Name: UDP_GLB_STAT
Address: 0xF803C004
Access: Read-write
This register is used to get and set the device state as specified in Chapter 9 of the USB Serial Bus Specification, Rev.2.0.
• FADDEN: Function Address Enable
Read:
0 = Device is not in address state.
1 = Device is in address state.
Write:
0 = No effect, only a reset can bring back a device to the default state.
1 = Sets device in address state. This occurs after a successful Set Address request. Beforehand, the UDP_FADDR register must
have been initialized with Set Address parameters. Set Address must complete the Status Stage before setting FADDEN. Refer
to chapter 9 of the Universal Serial Bus Specification, Rev. 2.0 for more details.
• CONFG: Configured
Read:
0 = Device is not in configured state.
1 = Device is in configured state.
Write:
0 = Sets device in a non configured state
1 = Sets device in configured state.
The device is set in configured state when it is in address state and receives a successful Set Configuration request. Refer to
Chapter 9 of the Universal Serial Bus Specification, Rev. 2.0 for more details.
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– – – RMWUPE RSMINPR ESR CONFG FADDEN