Smart Socket
User Guide
© 2016-2018 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at
www.latticesemi.com/legal
.
All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
FPGA-UG-02046-1.1
23
Appendix A. Smart Socket Board Schematics
The following are representative schematics of a Smart Socket board. The FTDI and voltage regulator portions are the same across various Smart Socket boards.
Figure A.1. USB Programming Interface
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
USB Connection
VCC18FT
+3.3V
+5V_USB
+3.3V
+3.3V
VCC18FT
+3.3V
+3.3V
+3.3V
+5V_USB [3]
+3.3V
[3]
TCK [4]
TDI [4]
TDO [4]
TMS [4]
DONEb [3]
PWR_EN [3]
PWR_ENQ [3]
Date:
Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: [email protected]
Board Rev
Project
September 26, 2017
B
A
6
2
USB Programming Interface
XO2 Programming Board (PSSN-FT256-LCMXO2)
A
Date:
Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: [email protected]
Board Rev
Project
September 26, 2017
B
A
6
2
USB Programming Interface
XO2 Programming Board (PSSN-FT256-LCMXO2)
A
Date:
Size
Schematic Rev
of
Sheet
Title
Lattice Semiconductor Applications
Email: [email protected]
Board Rev
Project
September 26, 2017
B
A
6
2
USB Programming Interface
XO2 Programming Board (PSSN-FT256-LCMXO2)
A
L2
Ferrite_bead
R10
0
R3
2.2k
BC3
PWREN
C1
10nF
AD4
BC2
BC7
C6
100nF
BC0
BC6
C10
100nF
C11
100nF
C12
100nF
BC1
U2
M93C46-WMN6TP
M93C46_SOIC8
CS
1
SK
2
DIN
3
DOUT
4
VCC
8
NC
7
ORG
6
GND
5
BC5
AC4
BC4
C3
4.7uF
C9
100nF
AC0
AC1
R2
100k
R5
10k
FTDI High-Speed USB
FT2232H
FT2232HL
U1
VREGIN
50
VREGOUT
49
DM
7
DP
8
REF
6
RESET#
14
EECS
63
EECLK
62
EEDATA
61
OSCI
2
OSCO
3
TEST
13
ADBUS0
16
ADBUS1
17
ADBUS2
18
ADBUS3
19
V
P
H
Y
4
V
P
L
L
9
V
C
O
R
E
1
2
V
C
O
R
E
3
7
V
C
O
R
E
6
4
V
C
C
IO
2
0
V
C
C
IO
3
1
V
C
C
IO
4
2
V
C
C
IO
5
6
A
G
N
D
1
0
G
N
D
1
G
N
D
5
G
N
D
1
1
G
N
D
1
5
G
N
D
2
5
G
N
D
3
5
G
N
D
4
7
G
N
D
5
1
PWREN#
60
SUSPEND#
36
ADBUS4
21
ADBUS5
22
ADBUS6
23
ADBUS7
24
ACBUS0
26
ACBUS1
27
ACBUS2
28
ACBUS3
29
ACBUS4
30
ACBUS5
32
ACBUS6
33
ACBUS7
34
BDBUS0
38
BDBUS1
39
BDBUS2
40
BDBUS3
41
BDBUS4
43
BDBUS5
44
BDBUS6
45
BDBUS7
46
BCBUS0
48
BCBUS1
52
BCBUS2
53
BCBUS3
54
BCBUS4
55
BCBUS5
57
BCBUS6
58
BCBUS7
59
C16
18pF
BD5
C18
100nF
AC2
R44
0
C17
18pF
AC3
R6
2.2k
1
2
C15
100nF
AD5
C13
100nF
AC5
X1
12MHZ
1
3
2
4
AC6
AC7
C4
100nF
AD7
L1
Ferrite_bead
C7
3.3uF
C14
100nF
BD3
R4
12k
R9
0
BD1
BD2
J1
USB_MINI_B
TYPE_B
VCC
1
D-
2
D+
3
GND
5
NC
4
CASE
7
CASE
8
CASE
9
CASE
6
MH1
10
MH2
11
R43
0
BD0
R11
0
C5
100nF
R8
0
BD4
R1
0
C2
10nF
BD6
R7
0
C8
100nF
BD7
EESK
EEDATA
SHLD
EECS
