MachXO5-NX Development Board
Evaluation Board User Guide
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FPGA-EB-02052-1.0
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8.
Headers and Test Connections
This section describes the MachXO5-NX Development Board headers and test connections.
8.1.
Versa Headers
The board provides two headers, J8 and J9, for expansion purpose.
Table 8.1. Versa J8 Header Pin Connections
J8 Pin Number
Net Name
MachXO5-25 Ball Location
1
GND
—
2
NC
—
3
EXPCON_2V5*
—
4
EXPCON_IO29
C20
5
EXPCON_IO30
H14
6
EXPCON_IO31
G14
7
EXPCON_IO32
H15
8
EXPCON_IO33
G18
9
EXPCON_IO34
H16
10
EXPCON_IO35
G19
11
EXPCON_IO36
H20
12
EXPCON_IO37
H19
13
EXPCON_IO38
J17
14
EXPCON_IO39
J18
15
EXPCON_IO40
J15
16
EXPCON_IO41
J16
17
EXPCON_IO42
J13
18
EXPCON_IO43
J14
19
EXPCON_IO44
J12
20
EXPCON_IO45
H13
21
5VIN*
—
22
GND
—
23
EXPCON_2V5*
—
24
GND
—
25
+3.3V
—
26
GND
—
27
+3.3V
—
28
GND
—
29
EXPCON_OSC
E16
30
GND
—
31
EXPCON_CLKIN
E17
32
GND
—
33
EXPCON_CLKOUT
D20
34
GND
—
35
EXPCON_3V3**
—
36
GND
—
37
EXPCON_3V3**
—
38
GND
—
39
EXPCON_3V3**
—
40
GND
—