21
iCE40 UltraLite Breakout Board
Figure 17. SPI
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FTDI CONNECTION
SS
FT_EEC
S
FT_E
E
C
LK
FT_EED
ATA
SC
K
SI
SO
V
CC1_
8
FT
V
CC1_
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CCI
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+3
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V
+3
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+3
.3
V
+3
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+3
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V
+3
.3
V
+3
.3
V
IC
E
_
C
D
O
N
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[3,
6]
IC
E
_
CRE
S
E
T_B
[3,
6]
SY
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L
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[3
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]
IC
E
_
S
C
K
[3,
5,
6,
7]
F
L
ASH
_
M
O
SI
[5
,6
,7
]
FL
ASH
_
MI
SO
[5
,6
,7
]
IC
E
_
C
S
N
[3
,5
,6
,7
]
DM
[9
]
DP
[9
]
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FT2232HL
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49
DM
7
DP
8
RE
F
6
RES
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T#
14
EEC
S
63
EEC
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62
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AT
A
61
OSC
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2
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3
T
EST
13
AD
BUS0
16
AD
BU
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17
AD
BU
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1
8
AD
BUS3
19
V
PHY
4
V
PLL
9
V
CORE
12
V
CORE
37
V
CORE
64
V
CCIO
20
V
CCIO
31
V
CCIO
42
V
CCIO
56
AG
N
D
10
G
N
D
1
G
N
D
5
G
N
D
11
G
N
D
15
G
N
D
25
G
N
D
35
G
N
D
47
G
N
D
51
P
W
RE
N
#
60
SU
SPE
N
D#
36
AD
BUS4
21
AD
BU
S5
22
AD
BUS6
23
AD
BUS7
24
AC
BU
S0
26
AC
BUS1
27
AC
BU
S2
2
8
AC
BU
S3
29
AC
BUS4
30
AC
BUS5
32
AC
BU
S6
33
AC
BUS7
34
BD
BU
S0
3
8
BD
BU
S1
39
BD
BUS2
40
BD
BU
S3
41
BD
BU
S4
43
BD
BUS5
44
BD
BUS6
45
BD
BU
S7
46
BC
BUS0
4
8
BC
BU
S1
52
BC
BU
S2
53
BC
BUS3
54
BC
BU
S4
55
BC
BU
S5
57
BC
BUS6
5
8
BC
BUS7
59
C37
0.
1
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F
L4
600 OHM
8
00MA
R54
0
R49
2
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R56
0
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O
8
U6
CS
1
CLK
2
DI
3
DO
4
V
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5
OR
G
6
N
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7
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CC
8
R55
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R46
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C29
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1
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R45
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