Arduino Board Gpio Headers; Table 5.3. Arduino J2 Pin Connections - Lattice Semiconductor MachXO3-940 User Manual

MachXO3-9400 Development Board
Evaluation Board User Guide
Table 5.2. Versa X3 Header Pin Connections (continued)
X3 Pin Number
32
33
34
35
36
37
38
39
40
Notes:
* Signal is optionally connected to power source through resistor; DNI.
** Signal is optionally connected to power source through resistor; DN.

5.2. Arduino Board GPIO Headers

The board provides four headers – J2, J3, J4 and J5 for Arduino Zero board adaption.

Table 5.3. Arduino J2 Pin Connections

J2 Pin Signal Name
Number
1 AR_IO8
2 AR_IO9
3 AR_SS_IO10
4 AR_MOSI_IO
11
5 AR_MISO_IO
12
AR_SCK_IO1
6
3
7 GND
8 AR_AREF
9 AR_SDA
10 AR_SCL
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16
Signal Name
EXPCON_IO23
EXPCON_IO24
GND
EXPCON_IO25
EXPCON_IO26
EXPCON_IO27
CARDSEL#*
EXPCON_IO28
GND
Arduino ZERO Board MachXO3 Ball
Signal Location
~8
~9
~10 W20
~11
~12
~13
GND
AREF
SDA
SCL
U21
U22
Optional connection to SS through R67 for SPI access,
DNI by default.
V18 Optional connection to SISPI through R82 for SPI
access, DNI by default.
G16 Optional connection to SPISO through R77 for SPI
access, DNI by default.
Optional connection to MCLK through R76 for SPI
F17
access, DNI by default.
—
U17 AR_AREF connection to AREF through R43, DNI by
default.
U19 Optional connection to SDA0 through R44, DNI by
default.
U18 Optional connection to SCL0 through R45, DNI by
default.
MachXO3 Ball Location
D11
F11
—
D12
F12
D13
—
C14
—
Comments
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FPGA-EB-02004-1.0