Datasheet

SAM9G20
DS60001516A-page 674  2017 Microchip Technology Inc.
36.6.2 UDP Global State Register
Name:UDP_GLB_STAT
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 must have been ini-
tialized with Set Address parameters. Set Address must complete the Status Stage before setting FADDEN. Refer to chapter 9 of the Uni-
versal 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.
RSMINPR: Resume Interrupt Request
Read:
0: No effect.
1: The pin “send_resume” is set to one. A Send Resume request has been detected and the device can send a Remote Wake Up.
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