LM3S9B81 Datasheet, PDF (920/1155 Pages) Texas Instruments – Stellaris® LM3S9B81 Microcontroller

Universal Serial Bus (USB) Controller
Register 34: USB OTG VBUS Pulse Timing (USBVPLEN), offset 0x07B
This 8-bit configuration register specifies the duration of the VBUS pulsing charge.
OTG
USB OTG VBUS Pulse Timing (USBVPLEN)
Base 0x4005.0000
Offset 0x07B
Type R/W, reset 0x3C
7
6
5
4
3
2
1
0
VPLEN
Type R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
1
1
1
1
0
0
Bit/Field
7:0
Name
VPLEN
Type
R/W
Reset
0x3C
Description
VBUS Pulse Length
This field configures the duration of the VBUS pulsing charge in units
of 546.1 µs. The default corresponds to 32.77 ms.
920
June 29, 2010
Texas Instruments-Advance Information