LM3S5737 Datasheet, PDF (746/833 Pages) Texas Instruments – Stellaris® LM3S5737 Microcontroller

Universal Serial Bus (USB) Controller
Host
Device
31
Type RO
Reset
0
15
Type RO
Reset
0
Register 89: USB External Power Control Raw Interrupt Status (USBEPCRIS),
offset 0x404
This 32-bit register specifies the unmasked interrupt status of the two-pin external power interface.
USB External Power Control Raw Interrupt Status (USBEPCRIS)
Base 0x4005.0000
Offset 0x404
Type RO, reset 0x0000.0000
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
reserved
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
PF
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
31:1
0
Name
reserved
PF
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
USB Power Fault Interrupt Status
Value Description
1 A Power Fault status has been detected.
0 An interrupt has not occurred.
This bit is cleared by writing a 1 to the PF bit in the USBEPCISC register.
746
November 17, 2011
Texas Instruments-Production Data