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

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

Figure A.2. USB to SPI/RS232

3
C1 C1 C2 C2
4.7uF 4.7uF 0.1uF 0.1uF
C3 C3 C4 C4
4.7uF 4.7uF 0.1uF 0.1uF
VCC1_8FT
+3.3V 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
62
FT_EECLK
EECLK
FT_EEDATA 61
EEDATA
2
OSCI
3
OSCO
C13 C13
13
TEST
0.1uF 0.1uF
FTDI High-Speed USB FTDI High-Speed USB
FT2232H FT2232H
PWREN#
R20 R20
iCE_CLK 4
SUSPEND#
0 0
3
iCE40HX-8K Breakout Board
Evaluation Board User Guide
2
+3.3V
16 SCK 0 0 R1 R1
iCE_SCK
ADBUS0
17 SI 0 0 R2 R2
ADBUS1 FLASH_MOSI
18 SO 0 0 R3 R3
FLASH_MISO
ADBUS2
19
ADBUS3
21 SS 0 0 R4 R4
ADBUS4 iCE_SS_B
22
ADBUS5
23 0 0 R5 R5
iCE_CDONE
ADBUS6
24 0 0 R6 R6
ADBUS7 iCE_CREST
26
ACBUS0
27
ACBUS1
28
ACBUS2
29
ACBUS3
30
ACBUS4
32
ACBUS5
33
ACBUS6
34
ACBUS7
38
0 0 R12 R12
RS232_Rx_TTL
BDBUS0
39 0 0 R13 R13
BDBUS1 RS232_Tx_TTL
40 0 0 R15 R15
RTSn
BDBUS2
41
0 0 R16 R16
CTSn
BDBUS3
43 0 0 R17 R17
DTRn
BDBUS4
44 0 0 R18 R18
BDBUS5 DSRn
45 0 0 R19 R19
DCDn
BDBUS6
46
BDBUS7
48
BCBUS0
52
BCBUS1
53
BCBUS2
54
BCBUS3
55
BCBUS4
57
BCBUS5
58
BCBUS6
59
BCBUS7
60
36
AXELSYS AXELSYS AXELSYS
Title Title Title
iCE40-HX8K Breakout Board - USB to SPI/RS232 iCE40-HX8K Breakout Board - USB to SPI/RS232 iCE40-HX8K Breakout Board - USB to SPI/RS232
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 r e r e r e
B B B ICE40HX8K-B-EVN ICE40HX8K-B-EVN ICE40HX8K-B-EVN
D D D t a t a t a : e : e : e Jul 11, 2013 Jul 11, 2013 Jul 11, 2013
2
1
D
6
6
6
C
6
4
4
3
3
3
3
3
3
3
B
A
R R R e e e v v v
A A A
S S S h h h e e e t e t e t e 2 2 2 of of of 6 6 6
1
13