Table 5.4. Arduino J3 Pin Connections; Table 5.5. Arduino J4 Pin Connections; Table 5.6. Arduino J5 Pin Connections - Lattice Semiconductor MachXO3-940 User Manual

Table 5.4. Arduino J3 Pin Connections

J3 Pin Signal Name
Number
1 AR_IO0
2 AR_IO1
3 AR_IO2
4 AR_IO3
5 AR_IO4
6 AR_IO5
7 AR_IO6
8 AR_IO7
9 AR_SDA
10 AR_SCL

Table 5.5. Arduino J4 Pin Connections

J3 Pin Signal Arduino ZERO
Number Name Board Signal
1 AR_IO
14
2 NC
3 AR_RE
SET
4 +3.3V_
AR
5 AR_5V
6 GND
7 GND
8 +12V

Table 5.6. Arduino J5 Pin Connections

J3 Pin Signal Name
Number
1 AR_AD0
2 AR_AD1
3 AR_AD2
4 AR_AD3
5 AR_AD4
6 AR_AD5
Note: If JP6 is installed, 5 V power can be supplied from either the Arduino board or the
MachXO3-9400 Development Board. With JP6 removed, both boards need their own
5 V power.
© 2017 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at www.latticesemi.com/legal. All other brand or product names are
trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
FPGA-EB-02004-1.0
Arduino ZERO Board
Signal
RX <- 0
TX -> 1
2
~3
~4
~5
~6
7
SDA
SCL
MachXO3 Ball
Location
ATN T17
IOREF —
RESET U20
3.3 V —
5 V —
GND —
GND —
VIN —
Arduino ZERO Board
Signal
A0
A1
A2
A3
A4
A5
MachXO3-9400 Development Board
MachXO3 Ball
Location
G19
G20
G21
H20
G18
L21
W22
V22
U19
U18
Comments
Pin U20 should be set high by default. Avoid Arduino ZERO
board in Reset status when connected.
3.3 V power supply from Arduino ZERO board
Jump to 5 V main power through JP6
12 V power supply from Arduino ZERO board
MachXO3 Ball
Location
P19 Used as GPIO in digital mode
P18 Used as GPIO in digital mode
P17 Used as GPIO in digital mode
P16 Used as GPIO in digital mode
K22 Used as GPIO in digital mode
G17 Used as GPIO in digital mode
Evaluation Board User Guide
Comments
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Comments
17