Cirrus Logic EP93xx - Manual (Page 459)

DS785UM1 11-19
Copyright 2007 Cirrus Logic
Universal Serial Bus Host Controller
EP93xx User’s Guide
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FNO: FrameNumberOverflow. Enable interrupt generation due
to Frame Number Overflow.
RHSC: RootHubStatusChange. Enable interrupt generation due to
Root Hub Status Change.
OC: OwnershipChange. Enable interrupt generation due to
Ownership Change.
MIE: Master Interrupt Enable. A zero written to this field is
ignored by HC. A one written to this field enables interrupt
generation due to events specified in the other bits of this
register. This is used by HCD as a Master Interrupt
Enable.
HcInterruptDisable
Address:
0x8002_0014
Default:
0x0000_0000
Definition:
Disables interrupt sources.
Bit Descriptions:
RSVD: Reserved. Unknown During Read.
SO: SchedulingOverrun: Disable interrupt generation due to
Scheduling Overrun.
WDH: WritebackDoneHead: Disable interrupt generation due to
HcDoneHead Writeback.
SF: StartofFrame: Disable interrupt generation due to Start of
Frame.
RD: ResumeDetected: Disable interrupt generation due to
Resume Detect.
UE: UnrecoverableError: Disable interrupt generation due to
Unrecoverable Error.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
MIE OC RSVD
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RSVD RHSC FNO UE RD SF WDH SO