Figure A.2. Usb To Spi/Rs232 - Lattice Semiconductor iCE40HX-8K User Manual

D
+3.3V
C
C12 C12
0.1uF 0.1uF
B
A
FPGA-EB-02031-1.2
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5
C5 C5 C6 C6 C7 C7 C8 C8
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
+3.3V
+3.3V
R8 R8 R9 R9 R10 R10
10K 10K 10K 10K 10K 10K
U2 U2
8 1
VCC CS
7 2
NU CLK
6 3
ORG DI
5 4
VSS DO
93LC56-SO8 93LC56-SO8 R14 R14
5
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4
+3.3V
C1 C1
+3.3V 4.7uF 4.7uF
C3 C3
4.7uF 4.7uF
VCC1_8FT +3.3V
C9 C9
0.1uF 0.1uF
C10 C10 C11 C11
10uF 10uF 0.1uF 0.1uF
2.2K 2.2K
+3.3V
X1 X1 C13 C13
1 4
0.1uF 0.1uF
STANDBY# VDD
2 3
GND OUTPUT
12.0000MHZ 12.0000MHZ R20 R20
0 0
4

Figure A.2. USB to SPI/RS232

3
C2 C2
0.1uF 0.1uF
C4 C4
0.1uF 0.1uF
VCC1_8FT
U1 U1
FT2232HL FT2232HL
50
VREGIN
49
VREGOUT
7
5 DM
DM
8
5 DP
DP
R7 R7 2.2K 2.2K
14
RESET#
R11 R11 12K 12K
6
REF
FT_EECS 63
EECS
FT_EECLK 62
EECLK
FT_EEDATA 61
EEDATA
2
OSCI
3
OSCO
13
TEST
FTDI High-Speed USB FTDI High-Speed USB
FT2232H FT2232H
iCE_CLK 4
SUSPEND#
3
2
+3.3V
16 SCK 0 0 R1 R1
ADBUS0
17 SI 0 0 R2 R2
ADBUS1
18 SO 0 0 R3 R3
ADBUS2
19
ADBUS3
21 SS 0 0 R4 R4
ADBUS4
22
ADBUS5
23 0 0 R5 R5
ADBUS6
24 0 0 R6 R6
ADBUS7
26
ACBUS0
27
ACBUS1
28
ACBUS2
29
ACBUS3
30
ACBUS4
32
ACBUS5
33
ACBUS6
34
ACBUS7
38 0 0 R12 R12
BDBUS0
39 0 0 R13 R13
BDBUS1
40 0 0 R15 R15
BDBUS2
41 0 0 R16 R16
BDBUS3
43 0 0 R17 R17
BDBUS4
44 0 0 R18 R18
BDBUS5
45 0 0 R19 R19
BDBUS6
46
BDBUS7
48
BCBUS0
52
BCBUS1
53
BCBUS2
54
BCBUS3
55
BCBUS4
57
BCBUS5
58
BCBUS6
59
BCBUS7
60
PWREN#
36
AXELSY AXELSY AXELSY
Title Title Title
iCE40-HX8K iCE40-HX8K iCE40-HX8K
S S S z i z i z i e e e D D D o o o c c c u u u m m m e e e t n t n t n N N N u u u m m m b b b e e e
B B B
ICE40HX8K ICE40HX8K ICE40HX8K
D D D t a t a t a : e : e : e Jul 11, 2013 Jul 11, 2013 Jul 11, 2013
2