Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet

1021

SAM4S Series [DATASHEET]

Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14

UDP_GLB_STAT

0x40034004

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.



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 FAD-

DEN. Refer to chapter 9 of the Universal Serial Bus Specification, Rev. 2.0 for more details.



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.



0: Mandatory value prior to starting any Remote Wake Up procedure
1: Starts the Remote Wake Up procedure if this bit value was 0 and if RMWUPE is enabled



0: The Remote Wake Up feature of the device is disabled.
1: The Remote Wake Up feature of the device is enabled.

31

30

29

28

27

26

25

24

–

–

–

–

–

–

–

–

23

22

21

20

19

18

17

16

–

–

–

–

–

–

–

–

15

14

13

12

11

10

9

8

–

–

–

–

–

–

–

–

7

6

5

4

3

2

1

0

–

–

–

RMWUPE

RSMINPR

ESR

CONFG

FADDEN