Intel E3845 FH8065301487715 Data Sheet
Product codes
FH8065301487715
Intel
®
Atom™ Processor E3800 Product Family
Datasheet
3227
23.6.52
PCI Express Compliance Measurement Mode (CMM) Port Control
(PCIECMMPC)—Offset 330h
Note that selecting a lane number that does not exist for a port may result in undefined
behavior.
Access Method
Default: 28000016h
Type:
PCI Configuration Register
(Size: 32 bits)
PCIECMMPC:
Power Well:
Core
31
28
24
20
16
12
8
4
0
0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0
RS
VD
SY
M3S
E
L
SY
M2S
E
L
SY
M1S
E
L
SY
M0S
E
L
RSVD_1
ERRLA
N
E
N
U
M
RSVD_2
INVER
T
SYME
RRNU
M
INV
SY
M
E
RRNU
M
ERRD
ET
SLNINVCM
M
AUT
O
INV
E
R
T
ST
A
T
INVEN
RSVD_3
ST
A
R
T
Bit
Range
Default &
Access
Description
31:30
00b
RO
Reserved (RSVD):
Reserved
29
1b
RW
CMM Symbol[3] Select (SYM3SEL):
0: selects CMM Symbol [lb]3[rb] to a control
character 1: selects CMM Symbol [lb]3[rb] as a data character
28
0b
RW
CMM Symbol[2] Select (SYM2SEL):
0: selects CMM Symbol [lb]2[rb] to a control
character 1: selects CMM Symbol [lb]2[rb] as a data character
27
1b
RW
CMM Symbol[1] Select (SYM1SEL):
0: selects CMM Symbol [lb]1[rb] to a control
character 1: selects CMM Symbol [lb]1[rb] as a data character
26
0b
RW
CMM Symbol[0] Select (SYM0SEL):
0: selects CMM Symbol [lb]0[rb] to a control
character 1: selects CMM Symbol [lb]0[rb] as a data character
25:24
00b
RO
Reserved (RSVD_1):
Reserved
23:22
00b
RO/V
CMM Error Lane Number (ERRLANENUM):
This field contains the lane number of the
failing lane. Only valid when CMM Error Detected is 1.
21:16
00h
RO
Reserved (RSVD_2):
Reserved
15:13
000b
RO/V
CMM Invert (INVERT):
Indicates which lanes are inverted 000: No inversion 001:
Lanes 0 010: Lanes 1 011: Lanes 2 100: Lanes 3 This field is only valid when CMM Error
Detected (bit 7) is asserted. Additionally, when CMM Error Detected is asserted this field
is locked (will not be updated)
12:10
000b
RO/V
CMM Symbol Error Number Invert (SYMERRNUMINV):
Indicates which register
number miscompared on the failing lane, if the failing lane was an inverted lane. Only
valid when CMM Error Detected is 1. 000: CMM Data D0 001: CMM Data D0 010: CMM
Data D0 011: CMM Data D1 100: CMM Data D2 101: CMM Data D3 110: CMM Data D0
111: CMM Data D0
9:8
00b
RO/V
CMM Symbol Error Number (SYMERRNUM):
Indicates which register number
miscompared on the failing lane, if the failing lane was not inverted. Only valid when
CMM Error Detected is 1. 00: CMM Data 0 01: CMM Data 1 10: CMM Data 2 11: CMM
Data 3