Figure 18. SPI
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
For programming Flash - Shunt 1,3 and 2,4 (default)
For programming iCE - Shunt 3,4 and 1,2
J9: Remove shunt only for Programming iCE.
Replace shunt for programming Flash and for normal
operation.
S
h
o
rt-c
irc
u
it J
u
mp
e
r
iCE40 Ultra BREAKOUT BOARD
SPI
SPI
Aa
rd
v
a
rk
C
o
n
n
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c
to
r
F
L
ASH
_
M
O
SI
FL
A
S
H
_
M
IS
O
IC
E_
SS_
B
F
L
ASH
_
M
O
S
I
ICE
_
S
C
K
F
L
ASH
_
M
IS
O
+3
.3
V
iC
E
_
S
C
K
[3
,4
,5
]
iC
E
_
S
S
_
B
[3
,4
,5
]
F
L
ASH
_
M
O
SI
[3
,4
]
F
L
A
S
H_
M
IS
O
[3
,4
]
iC
E_
M
O
SI
[4
,5
]
iC
E_
M
ISO
[4
,5
]
FL
A
S
H
_
M
O
S
I
[3
,7
]
F
L
ASH
_
M
ISO
[3
,7
]
iC
E_
SC
K
[3
,4
,5
]
iC
E_
SS_
B
[3
,4
,5
]
Ti
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77
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C46
0.
1uF
J9
2
1
J1
SPI
PG
M
P
A
RT
_NUM
B
E
R =
77313-
8
01-
10LF
M
anuf
a
c
tur
er
=
F
C
I
SS2
1
GN
D
1
2
SS3
3
NC2
4
MI
SO
5
NC1
6
SC
L
K
7
MO
SI
8
SS1
9
GN
D
2
10
C45
0.
1uF
R34
10K
R35
10K
U7
N25Q
032A
13E
S
C40F
CS
1
SD
I
5
SC
K
6
WP
3
HO
LD
7
VCC
8
GND
4
SD
O
2
J1
0
2
3
4
1
R36
10K
JU
1
63429-
202LF
R33
10K
JU
2
63429-
202LF
JU
3
63429-
202LF
