Altera cyclone V Technical Reference page 2187

Hard processor system
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cv_5v4
2016.10.28
Bit
22
avalidfltr
21
vbusvalidfltr
20
iddgfltr
USB 2.0 OTG Controller
Send Feedback
Name
Specifies whether to add a filter on the b_valid input
from the PHY.
Value
0x0
Vbus Valid Filter Enabled (VBusValidFltr) 0: No filter
1: Filter(coreConsultant parameter: OTG_EN_
VBUSVALID_FILTER)
Value
0x0
Specifies whether to add a filter on the iddig input
from the PHY. This is not relevant since we only
support ULPI and there is no iddig pin exposed to I/
O pads.
Value
0x0
Description
Description
No filter
Description
Vbus Valid Filter Disabled
Description
Iddig Filter Disabled
18-97
ghwcfg4
Access
Reset
RO
0x0
RO
0x0
RO
0x0
Altera Corporation

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