NuMaker-LoRaG915/LoRaG868-NUC980
Oct. 23, 2020
Page
10
of 40
Rev 1.00
N
u
M
ak
er
-LoRaG
91
5/
LoR
a8
68
-N
UC
98
0
USER
M
A
N
U
AL
M
ak
er
N
u
-mb
ed
N
UC
472
Us
er
M
an
u
al
CON3.38
PC15
S0_D7
CON3.39
-
V
SS
CON3.40
PA1
S0_I2C0_SCL
Ethernet0_PE (CON2, U7): For Ethernet port, the NUC980 supports RMII interface that adds one
Ethernet PHY IP101GR to RJ45 connector with LED indicator
USB0 Device/Host (CON6, JP3): USB0 Device/Host Micro-B connector, By JP3 status or defined
by the ID pin of the USB cable
USB1 Host (CON7): USB1 for USB Host with type-A connector
User Key SWs (K1 and K2)
Key
GPIO pin of NUC980
K1
PE10
K2
PE12
Power on setting (SW1, R17~R20)
Switch
Status
Function
GPIO pin of NUC980
SW1.2/SW1.1
ON/ON
Boot from USB
PG1/PG0
SW1.2/SW1.1
ON/OFF
Boot from SD/eMMC
PG1/PG0
SW1.2/SW1.1
OFF/ ON
Boot from NAND Flash
PG1/PG0
SW1.2/SW1.1
OFF/OFF
Boot from QSPI0 Flash
PG1/PG0
Resistance
Status
Function
GPIO pin of NUC980
R17
Solder R
Watchdog Timer OFF
PG3
R17
Remove
Watchdog Timer ON
PG3
Resistance
Status
Function
GPIO pin of NUC980
R18
Solder R
UART0 debug message ON
PG5
R18
Remove
UART0 debug message OFF
PG5
Resistance
Status
Function
GPIO pin of NUC980
R20/R19
Solder R/
Solder R
SPI-NAND Flash boot with 1-
bit mode
PG9/PG8
R20/R19
Solder R/
Remove
SPI-NAND Flash boot with 4-
bit mode
PG9/PG8
R20/R19
Remove/ Solder
R
SPI-NOR Flash boot with 4-bit
mode
PG9/PG8
R20/R19
Remove/
Remove
SPI-NOR Flash boot with 1-bit
mode
PG9/PG8
SOC CPU: NUC980DK61Y (U4)
3.2
Rear View
Figure 3-2 shows the main components from the rear view of NuMaker-LoRaG-NUC980 board.