LM3S9B92_11 Datasheet, PDF (1093/1386 Pages) Texas Instruments – Stellaris LM3S9B92 Microcontroller

Stellaris® LM3S9B92 Microcontroller
Register 326: USB VBUS Droop Control Raw Interrupt Status (USBVDCRIS),
offset 0x434
This 32-bit register specifies the unmasked interrupt status of the VBUS droop limit of 65
OTG A / _{microseconds.}
Host
USB VBUS Droop Control Raw Interrupt Status (USBVDCRIS)
Base 0x4005.0000
Offset 0x434
Type RO, reset 0x0000.0000
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
VD
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
31:1
0
Name
reserved
VD
Type
Reset Description
RO 0x0000.000 Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
RO
0
VBUS Droop Raw Interrupt Status
Value Description
1 A VBUS droop lasting for 65 microseconds has been detected.
0 An interrupt has not occurred.
This bit is cleared by writing a 1 to the VD bit in the USBVDCISC register.
March 19, 2011
Texas Instruments-Advance Information
1093