MachXO5-NX Development Board
Evaluation Board User Guide
© 2022 Lattice Semiconductor Corp. All Lattice trademarks, registered trademarks, patents, and disclaimers are as listed at
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-02052-1.0
13
output tri-state mode, avoiding multi-drivers on those shared signals. The JTAG connections between J1 and
MachXO5-25 are listed in
Figure 3.3. Level Shift for JTAG Download Interface
Figure 3.4. JTAG Test Header
Table 3.1. Config JTAG Connections
J1 Pin Number
JTAG Net Name
MachXO5-25 Ball Location
for JTAG
Optional SSPI Function
1
VCCIO2
—
—
2
NX_TDO
E20
SSI
3
NX_TDI
E18
SSO
4
—
—
—
5
—
—
—
6
NX_TMS
F16
SCSN
7
GND
—
—
8
NX_TCK
G16
SCLK