Intel E3815 FH8065301567411 Data Sheet
Product codes
FH8065301567411
Intel
®
Atom™ Processor E3800 Product Family
Datasheet
2339
22
0b
RW/C
Port Link Status Change (PLC):
This flag is set to '1' due to the following PLS
transitions:
•
•
U0 -) U3 = Suspend signaling detected from Debug Host
•
U3 -) U0 = Resume complete
•
Polling -) Disabled = Training Error
•
Ux or Recovery -) Inactive = Error
Software shall clear this bit by writing a '1' to it. This field is '0' if DCE is '0'.
Power Well:
Core
21
0b
RW/C
Port Reset Change (PRC):
This bit is set when reset processing on this port is
complete (i.e. a '1' to '0' transition of PR).
•
•
'0' = No change
•
'1' = Reset complete
Software shall clear this bit by writing a '1' to it. This field is '0' if DCE is '0'.
Power Well:
Core
20:18
0h
RO
Reserved (RSVD_1):
Reserved.
Power Well:
Core
17
0b
RW/C
Connect Status Change (CSC):
an already-set bit (i.e., the bit will remain '1').
Software shall clear this bit by writing a '1' to it.
This field is '0' if DCE is '0'.
Power Well:
Core
16:14
0h
RO
Reserved (RSVD_2):
Reserved.
Power Well:
Core
13:10
0h
RO
Port Speed (PSPD):
This field identifies the speed of the port. This field is only
relevant when a Debug Host is attached (CCS = '1') in all other cases, this field shall
indicate Undefined Speed.
•
•
0 Undefined Speed
•
1-15 Protocol Speed ID (PSI)
Refer to the xHCI for USB specification for the definition of PSIs. Note: The Debug
Capability does not support LS, FS, or HS operation.
Power Well:
Core
9
0b
RO
Reserved (RSVD_3):
Reserved.
Power Well:
Core
8:5
0h
RO
Port Link State (PLS):
This field reflects its current link state. This field is only
relevant when a Debug Host is attached (Debug Port Number ) '0').
•
•
0 = Link is in the U0 State
•
1 = Link is in the U1 State
•
2 = Link is in the U2 State
•
3 = Link is in the U3 State (Device Suspended)
•
4 = Link is in the Disabled State
•
5 = Link is in the RxDetect State
•
6 = Link is in the Inactive State
•
7 = Link is in the Polling State
•
8 = Link is in the Recovery State
•
9 = Link is in the Hot Reset State
•
15:10 = Reserved
Note: Transitions between different states are not reflected until the transition is
complete.
Power Well:
Core
Bit
Range
Default &
Access
Field Name (ID): Description