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NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 751 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
Host Controller Interrupt Disable Register (HcIntDis)
Register
Offset
R/W
Description
Reset Value
HcIntDis
0x014
R/W
Host Controller Interrupt Disable Register
0x0000_0000
31
30
29
28
27
26
25
24
MIE
OC
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
7
6
5
4
3
2
1
0
Reserved
RHSC
FNO
UE
RD
SF
WDH
SO
Bits
Description
[31]
MIE
Master Interrupt Disable
Global interru
pt disable. A write of ‘1’ disables all interrupts.
[30]
OC
Ownership Change Disable
0 = Ignore.
1 = Disables interrupt generation due to Ownership Change.
[29:7]
Reserved
Reserved.
[6]
RHSC
Root Hub Status Change Disable
0 = Ignore.
1 = Disables interrupt generation due to Root Hub Status Change.
[5]
FNO
Frame Number Overflow Disable
0 = Ignore.
1 = Disables interrupt generation due to Frame Number Overflow.
[4]
UE
Unrecoverable Error Disable
This event is not implemented. All writes to this bit are ignored.
[3]
RD
Resume Detected Disable
0 = Ignore.
1 = Disables interrupt generation due to Resume Detected.
[2]
SF
Start of Frame Disable
0 = Ignore.
1 = Disables interrupt generation due to Start of Frame.
[1]
WDH
Write Back Done Head Disable
0 = Ignore.
1 = Disables interrupt generation due to Write-back Done Head.