21
LatticeSC PCI Express x4 Evaluation Board
Lattice Semiconductor
User’s Guide
Figure 12. Differential I/O Test SMAs
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
LVD
S_I
N
P_0
LVD
S_I
N
N
_0
LVD
S_I
N
P_1
LVD
S_I
N
N
_1
LVD
S_I
N
P_2
LVD
S_I
N
N
_2
LVD
S_I
N
P_3
LVD
S_I
N
N
_3
LVD
S_OU
T
P_0
LVD
S_OU
T
P_1
LVD
S_OU
T
N
_1
LVD
S_OU
T
P_2
LVD
S_OU
T
N
_2
LVD
S_OU
T
P_3
LVD
S_OU
T
N
_3
LVD
S_OU
T
N
_0
LVD
S_I
N
P_1
LVD
S_I
N
N
_1
LVD
S_I
N
P_0
LVD
S_I
N
N
_0
LVD
S_OU
T
P_3
L
V
DS
_
O
UTN_
3
LVD
S_OU
T
P_2
LVD
S_OU
T
N
_2
LVD
S_OU
T
N
_0
LVD
S_OU
T
P_0
LVD
S_OU
T
P_1
LVD
S_OU
T
N
_1
VR
EF
_BAN
K7
VR
EF
_BAN
K7
LVD
S_I
N
P_3
LVD
S_I
N
N
_3
OSC
_I
N
_1
LVD
S_I
N
P_2
LVD
S_I
N
N
_2
LVD
S_PR
OBEP
LVD
S_PR
OBEN
VR
EF
_BAN
K7
TP
_
0
1
TP
_
0
2
TP
_
0
3
TP
_
0
4
TP
_
0
5
TP
_
0
6
TP
_
0
7
TP
_
0
8
TP
_
0
9
TP
_
1
0
TP
_
1
1
TP
_
1
2
TP
_
1
3
TP
_
1
4
TP
_
1
5
TP
_
1
6
2_5V
2_5V
OSC
_I
N
_1
[9
]
Ti
tl
e
Siz
e
Projec
t
R
ev
D
at
e:
Sheet
of
SC8
0
X4
PCI
EXPRESS Ca
rd
3.
0
Diffe
re
n
tial I/O T
e
st SM
As
C
71
1
Ti
tl
e
Siz
e
Projec
t
R
ev
D
at
e:
Sheet
of
SC8
0
X4
PCI
EXPRESS Ca
rd
3.
0
Diffe
re
n
tial I/O T
e
st SM
As
C
71
1
Ti
tl
e
Siz
e
Projec
t
R
ev
D
at
e:
Sheet
of
SC8
0
X4
PCI
EXPRESS Ca
rd
3.
0
Diffe
re
n
tial I/O T
e
st SM
As
C
71
1
Debug Testpoints
RN6
A
RN6
A
1
16
TP
3
1
TP
3
1
1
J3
8
J
ohns
on 142-0711-201
J3
8
J
ohns
on 142-0711-201
1
2
J3
6
J
ohns
on 142-0711-201
J3
6
J
ohns
on 142-0711-201
1
2
R
119
1K-0603SMT
R
119
1K-0603SMT
TP
2
6
TP
2
6
1
R11
5
1_1K-0603SMT
R11
5
1_1K-0603SMT
RN5
H
RN5
H
8
9
J3
9
J
ohns
on 142-0711-201
J3
9
J
ohns
on 142-0711-201
1
2
RN5
G
RN5
G
7
10
TP
2
2
TP
2
2
1
TP
3
3
TP
3
3
1
J3
7
J
ohns
on 142-0711-201
J3
7
J
ohns
on 142-0711-201
1
2
RN5
F
RN5
F
6
11
TP
2
8
TP
2
8
1
RN5
E
RN5
E
5
12
PP60PP60
1
2
LEFT
LFSC
1152BGA
BANK7
BANK6
LF
SC
1152BGA
U1
D
LEFT
LFSC
1152BGA
BANK7
BANK6
LF
SC
1152BGA
U1
D
P
L56B
U33
P
L56C
V2
5
P
L56D
W2
5
P
L57A
U34
PL
5
7
B
V3
4
P
L57C
V2
6
P
L57D
W2
6
PL
5
9
A
W3
4
PL
5
9
B
Y3
4
PL
6
0
A
V3
3
PL
6
0
B
W3
3
P
L60C
V2
4
P
L60D
W2
4
PL
6
1
A
W3
2
PL
6
1
B
Y3
2
PL
6
3
A
W3
1
PL
6
3
B
Y3
1
P
L63C
Y2
9
P
L63D
AA2
9
P
L64A
AA3
4
P
L64B
AB3
4
PL
6
5
A
Y3
3
PL
6
5
B
AA3
3
P
L65C
Y2
8
P
L65D
AA2
8
PL
6
7
A
AC
3
4
PL
6
7
B
AD
3
4
P
L68A
Y3
0
P
L68B
AA3
0
PL
6
9
A
AB3
3
PL
6
9
B
AC
3
3
PL
7
6
A
AB3
2
PL
7
6
B
AC
3
2
P
L76C
AA2
6
P
L
76D/
D
IF
F
R
_6
AA2
7
P
L77A
AB3
1
PL
7
7
B
AC
3
1
P
L77C
Y2
4
P
L77D
AA2
4
P
L78A
AE3
4
PL
7
8
B
AF
3
4
P
L78C
AB3
0
P
L78D
AC
3
0
PL
8
0
A
AD
3
3
PL
8
0
B
AE3
3
P
L80C
AD
3
0
P
L80D
AE3
0
PL
8
1
A
AE3
2
PL
8
1
B
AF
3
2
P
L81C
AA2
5
P
L81D
AB2
5
PL
8
2
A
AJ
3
4
PL
8
2
B
AK3
4
P
L82C
AB2
7
P
L82D
AC
2
7
PL
8
4
A
AF
3
3
PL
8
4
B
AG
3
3
P
L84C
AC
2
9
P
L84D
AD
2
9
P
L85A
AE3
1
PL
8
5
B
AF
3
1
P
L85C
AF
3
0
P
L85D
AF
2
9
PL
8
6
A
AH
3
3
PL
8
6
B
AJ
3
3
P
L86C
AC
2
8
P
L86D
AD
2
8
P
L89A
AH
3
2
PL
8
9
B
AJ
3
2
P
L89C
AD
2
7
P
L
89D/
V
RE
F
2_6
AE2
7
PL
9
0
A
AG
3
4
PL
9
0
B
AH
3
4
P
L90C
AC
2
6
P
L90D
AB2
6
P
L91A
AK3
3
PL
9
1
B
A
L33
P
L91C
AG
3
0
P
L91D
AH
3
0
PL
9
3
A
AL
3
4
PL
9
3
B
AM
3
4
P
L
93C/
LLC_DLLT
_I
N_E
/LLC_DLLT
_
F
B
_F
AJ
3
0
P
L
93D/
LLC_DLLC_I
N
_E
/LLC_DLLC_F
B
_F
AK3
0
PL
9
4
A
AJ
3
1
PL
9
4
B
AH
3
1
P
L94C
AD
2
6
P
L94D
AD
2
5
P
L
95A
/L
LC_DLLT
_
IN
_F
/L
LC_DLLT
_
F
B
_E
AL
3
2
P
L
95B
/LLC_DLLC_I
N_F
/LLC_DLLC_F
B
_E
AL
3
1
P
L95C/
LLC_P
LLT
_
IN
_B
/L
LC_P
LLT
_
F
B
_A
AG
2
9
P
L
95D/
LLC_P
LLC_I
N
_B
/L
LC_P
LLC_F
B
_A
AG
2
8
PL
1
6
A/
U
L
C
_
PL
L
T
_
IN
_
A/
U
L
C
_
PL
L
T
_
F
B_
B/
D
EBU
G
_
BU
S1
1
F3
0
PL
1
6
B/
U
L
C
_
PL
L
C
_
IN
_
A/
U
L
C
_
PL
L
C
_
F
B_
B/
D
EBU
G
_
BU
S1
0
G3
0
PL
1
6
C
/D
EBU
G
_
BU
S1
3
H28
PL
1
6
D
J2
8
P
L
17A
/ULC_DLLT
_I
N_C/ULC_DLLT
_F
B
_
D/DE
B
U
G
_
B
U
S
9
F3
1
P
L
17B
/ULC_DLLC_I
N_C/ULC_DLLC_F
B
_
D/DE
B
U
G
_
B
U
S
8
G3
1
P
L
17C/ULC_P
LLT
_I
N_B
/ULC_P
LLT
_F
B
_
A
N25
P
L
17D/ULC_P
LLC_I
N_B
/ULC_P
L
LC_F
B
_
A
P2
5
P
L
18A
/ULC_DLLT
_I
N_D/ULC_DLLT
_F
B
_
C
D33
P
L
18B
/ULC_DLLC_I
N_D/ULC_DLLC_F
B
_
C
E3
3
PL
1
8
C
/D
EBU
G
_
BU
S1
2
H29
PL
1
8
D
/VR
EF
2
_
7
/D
EBU
G
_
BU
S6
J2
9
PL
2
0
A
F3
2
PL
2
0
B
G3
2
PL
2
0
C
P2
6
PL
2
0
D
N26
PL
2
1
A
H30
PL
2
1
B
J3
0
PL
2
1
C
L28
PL
2
1
D
M2
8
PL
2
2
A
E3
4
PL
2
2
B
F3
4
PL
2
4
A
F3
3
PL
2
4
B
G3
3
PL
2
5
A
K3
0
PL
2
5
B
L30
PL
2
6
A
G3
4
PL
2
6
B
H34
PL
2
9
A/
T
EST
C
F
G
N
J3
1
PL
2
9
B/
D
EBU
G
_
BU
S7
K3
1
PL
2
9
C
/VR
EF
1
_
7
/D
EBU
G
_
BU
S5
L27
P
L
29D/DI
F
F
R
_7/DE
B
UG
_B
US
4
M2
7
PL
3
1
A
J3
2
PL
3
1
B
K3
2
PL
3
1
C
L29
PL
3
1
D
M2
9
PL
3
3
A
H33
PL
3
3
B
J3
3
PL
3
3
C
N27
PL
3
3
D
P2
7
PL
3
5
A
K3
3
PL
3
5
B
L33
PL
3
5
C
M3
0
PL
3
5
D
N30
PL
3
7
A
M3
1
PL
3
7
B
N31
PL
3
7
C
P2
4
PL
3
7
D
R24
PL
3
9
A
M3
2
PL
3
9
B
N32
PL
3
9
C
P2
8
PL
3
9
D
R28
PL
4
1
A
J3
4
PL
4
1
B
K3
4
PL
4
1
C
P3
0
PL
4
1
D
R30
PL
4
2
A
M3
3
PL
4
2
B
N33
P
L42C
U25
PL
4
2
D
T2
5
PL
4
3
A
L34
PL
4
3
B
M3
4
PL
4
3
C
P2
9
PL
4
3
D
R29
PL
4
6
A
N34
PL
4
6
B
P3
4
PL
4
6
C
R27
PL
4
6
D
T2
7
P
L
47A
/P
C
LK
T
7
_1/
D
E
B
UG
_B
US
3
R32
PL
4
7
B/
PC
L
KC
7
_
1
/D
EBU
G
_
BU
S2
R31
PL
4
7
C
/PC
L
KT
7
_
3
U24
PL
4
7
D
/PC
L
KC
7
_
3
T2
4
P
L
48A
/P
C
LK
T
7
_0/
D
E
B
UG
_B
US
1
P3
3
P
L
48B
/P
C
LK
C7_0/
D
E
B
UG
_B
US
0
R33
PL
4
8
C
/PC
L
KT
7
_
2
/D
EBU
G
_
BU
S1
4
T2
6
PL
4
8
D
/PC
L
KC
7
_
2
/D
EBU
G
_
BU
S1
5
U26
P
L56A
T3
3
PL
5
0
A/
PC
L
KT
6
_
0
T3
2
PL
5
0
B/
PC
L
KC
6
_
0
T3
1
PL
5
0
C
/PC
L
KT
6
_
1
U29
PL
5
0
D
/PC
L
KC
6
_
1
V2
9
PL
5
1
A
T3
0
PL
5
1
B
U30
P
L
51C/
P
C
LK
T
6_3
U27
PL
5
1
D
/PC
L
KC
6
_
3
V2
7
PL
5
2
A
R34
PL
5
2
B
T3
4
P
L
52C/
P
C
LK
T
6_2
U28
PL
5
2
D
/PC
L
KC
6
_
2
V2
8
PL
5
5
A
V3
0
PL
5
5
B
W3
0
P
L
55C/
V
RE
F
1
_6
W2
7
P
L55D
Y2
7
RN5
D
RN5
D
4
13
DP
1
DP
1
1
2
3
J4
3
J
ohns
on 142-0711-201
J4
3
J
ohns
on 142-0711-201
1
2
R116
100R-0603SM
T
R116
100R-0603SM
T
RN5
C
RN5
C
3
14
TP
1
9
TP
1
9
1
J4
5
J
ohns
on 142-0711-201
J4
5
J
ohns
on 142-0711-201
1
2
J4
2
J
ohns
on 142-0711-201
J4
2
J
ohns
on 142-0711-201
1
2
RN4
B
RN4
B
2
15
TP
3
0
TP
3
0
1
R11
8
100R-0603SM
T
R11
8
100R-0603SM
T
TP
2
5
TP
2
5
1
J3
4
J
ohns
on 142-0711-201
J3
4
J
ohns
on 142-0711-201
1
2
TP
2
1
TP
2
1
1
R
153
100R
-0603SM
T
R
153
100R
-0603SM
T
R
155
OPEN
-0603SM
T
R
155
OPEN
-0603SM
T
J4
6
J
ohns
on 142-0711-201
J4
6
J
ohns
on 142-0711-201
1
2
J3
5
J
ohns
on 142-0711-201
J3
5
J
ohns
on 142-0711-201
1
2
R
121
1K-0603SMT
R
121
1K-0603SMT
J4
0
J
ohns
on 142-0711-201
J4
0
J
ohns
on 142-0711-201
1
2
R114
100R-0603SM
T
R114
100R-0603SM
T
RN7
C
EXB2H
V121J
V
150R
RN7
C
EXB2H
V121J
V
150R
3
14
TP
3
2
TP
3
2
1
TP
1
8
TP
1
8
1
TP
2
7
TP
2
7
1
RN6
H
RN6
H
8
9
J3
2
J
ohns
on 142-0711-201
J3
2
J
ohns
on 142-0711-201
1
2
R1
5
4
BOU
R
N
S-
3224W
-202E-2K
R1
5
4
BOU
R
N
S-
3224W
-202E-2K
RN6
G
RN6
G
7
10
TP
2
3
TP
2
3
1
RN7
D
EXB2H
V121J
V
150R
RN7
D
EXB2H
V121J
V
150R
4
13
J4
4
J
ohns
on 142-0711-201
J4
4
J
ohns
on 142-0711-201
1
2
J3
3
J
ohns
on 142-0711-201
J3
3
J
ohns
on 142-0711-201
1
2
R
120
1K_AD
J
/S
M
T
3M
M
R
120
1K_AD
J
/S
M
T
3M
M
RN6
F
RN6
F
6
11
J4
1
J
ohns
on 142-0711-201
J4
1
J
ohns
on 142-0711-201
1
2
TP
2
9
TP
2
9
1
R
159
150R
-0603SM
T
R
159
150R
-0603SM
T
RN6
E
RN6
E
5
12
RN6
D
RN6
D
4
13
J4
7
J
ohns
on 142-0711-201
J4
7
J
ohns
on 142-0711-201
1
2
A
B
C
D
E
F
G
H
K
M
N
P
R
S
T
U
DP
D2
0
LT
P-587H
R
/16-SEGM
E
N
T
A
B
C
D
E
F
G
H
K
M
N
P
R
S
T
U
DP
D2
0
LT
P-587H
R
/16-SEGM
E
N
T
18
2
1
16
13
9
8
6
5
4
7
3
11
17
15
12
14
10
R11
7
100R-0603SM
T
R11
7
100R-0603SM
T
TP
2
4
TP
2
4
1
RN6
B
RN6
B
2
15
TP
2
0
TP
2
0
1
C156
10NF
-0603SMT
C156
10NF
-0603SMT
