LM3S9B81_15 Datasheet, PDF (1093/1271 Pages) Texas Instruments – Stellaris LM3S9B81 Microcontroller

Stellaris^® LM3S9B81 Microcontroller
Register 328: USB VBUS Droop Control Interrupt Status and Clear
(USBVDCISC), offset 0x43C
This 32-bit register specifies the masked interrupt status of the VBUS droop and provides a method
OTG A / _{to clear the interrupt state.}
Host
USB VBUS Droop Control Interrupt Status and Clear (USBVDCISC)
Base 0x4005.0000
Offset 0x43C
Type R/W, 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 R/W1C
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.
R/W1C
0
VBUS Droop Interrupt Status and Clear
Value Description
1 The VD bits in the USBVDCRIS and USBVDCIM registers are
set, providing an interrupt to the interrupt controller.
0 No interrupt has occurred or the interrupt is masked.
This bit is cleared by writing a 1. Clearing this bit also clears the VD bit
in the USBVDCRIS register.
July 03, 2014
Texas Instruments-Production Data
1093