Datasheet

448
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
34.6.2 UDP Global State Register
Register Name: UDP_ GLB_STAT
Access Type: 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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76543210
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