LM3S5D56 Datasheet, PDF (842/1146 Pages) Texas Instruments – Stellaris® LM3S5D56 Microcontroller

Universal Serial Bus (USB) Controller
OTG A /
Host
Register 7: USB General Interrupt Status (USBIS), offset 0x00A
Important: This register is read-sensitive. See the register description for details.
USBIS is an 8-bit read-only register that indicates which USB interrupts are currently active. All
active interrupts are cleared when this register is read.
OTG B /
Device
OTG A / Host Mode
USB General Interrupt Status (USBIS)
Base 0x4005.0000
Offset 0x00A
Type RO, reset 0x00
7
6
5
4
3
VBUSERR SESREQ DISCON CONN SOF
Type RO
RO
RO
RO
RO
Reset
0
0
0
0
0
2
1
0
BABBLE RESUME reserved
RO
RO
RO
0
0
0
Bit/Field
7
Name
VBUSERR
Type
RO
Reset
0
Description
VBUS Error
Value Description
1 VBUS has dropped below the VBUS Valid threshold during a
session.
0 No interrupt.
6
SESREQ
RO
0
SESSION REQUEST
Value Description
1 SESSION REQUEST signaling has been detected.
0 No interrupt.
5
DISCON
RO
0
Session Disconnect
Value Description
1 A Device disconnect has been detected.
0 No interrupt.
4
CONN
RO
0
Session Connect
Value Description
1 A Device connection has been detected.
0 No interrupt.
842
January 23, 2012
Texas Instruments-Production Data