LM3S3739 Luminary Micro, Inc, LM3S3739 Datasheet - Page 575

• Manufacturer Part Number: LM3S3739
• Description: Lm3s3739 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Reset
Type
Type
Type RO, reset 0x0000.0000
June 02, 2008
Host
Device
Bit/Field
31:1
RO
RO
0
31
15
0
0
RO
RO
Register 89: USB External Power Control Raw Interrupt Status (USBEPCRIS),
offset 0x404
USBEPCRIS is instantiated in a USB unit in a wrapper around the USB controller/PHY IP. 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
30
14
0
0
RO
RO
29
13
reserved
0
0
Name
PF
RO
RO
28
12
0
0
RO
RO
27
11
0
0
Type
RO
RO
RO
RO
26
10
0
0
RO
RO
Reset
25
0x00
0
9
0
0
reserved
Preliminary
RO
RO
24
0
8
0
reserved
Description
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.
USB Power Fault Interrupt Status
Specifies the unmasked state of the power fault status. This bit is cleared
by writing a 1 to the PF bit in the USBEPCISC register.
Value
0
1
RO
RO
23
0
7
0
Description
The hardware has not detected a power fault.
The hardware has detected a power fault.
RO
RO
22
0
6
0
RO
RO
21
0
5
0
RO
RO
20
0
4
0
RO
RO
19
0
3
0
LM3S3739 Microcontroller
RO
RO
18
0
2
0
RO
RO
17
0
1
0
RO
RO
PF
16
0
0
0
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