Nuvoton NuMaker NUC980 IIoT User Manual page 7

1. Select USB ISP mode and enable the UART_0 message
NuMaker NUC980 IIoT provides jumpers (SW1) to select boot-up conditions. The jumpers (SW1)
ON to select USB ISP mode
Switch
SW1.2/SW1.1
SW1.2/SW1.1
SW1.2/SW1.1
SW1.2/SW1.1
NuMaker NUC980 IIoT development board defaults to enable the UART_0 message.If you need to
disable the NuMaker NUC980 IIoT development board UART_0 message, you must remove the
resistor R25.
Switch
R24
R25
R27/R26
R27/R26
R27/R26
R27/R26
2. Insert the 5V adapter (CON1)
3. Plug in the USB cable (CON9)
The burning tool requires a NuWriter driver to be installed on PC first. Please follow the steps below
to install the driver.
Please visit nuvoTon's NuMicro™ website (
mpus/Software/?__locale=en&resourcePage=Y
"WinUSB4NuVCOM.exe" before the USB cable is plugged in. The "WinUSB4NuVCOM.exe" can
be found in the "Tool" directory. Power on the NUC980 Series MPU EVB and plug the USB cable
into PC, the Windows shall find a new device and then request to install its driver. Simply follow the
installation and optional steps to install USB Driver, included VCOM driver.
MAY 20, 2020
Status Function
ON/ON Boot from USB
ON/OFF Boot from SD/eMMC
OFF/ ON Boot from NAND Flash
OFF/OFF Boot from QSPI0 Flash
Status Function
ON/OFF Watch Dog
ON/OFF UART0 Message
ON/ON SPI NAND, 1 bit
ON/OFF SPI NAND, 4 bit
OFF/ ON SPI NOR, 4 bit
OFF/OFF SPI NOR, 1 bit
http://www.nuvoton.com/hq/products/microprocessors/arm9-
) to download the "NUC980 NON-OS BSP". Run the
Page 7 of 46
NuMaker NUC980 IIoT
GPIO pin of NUC980
GPG1/GPG0
GPG1/GPG0
GPG1/GPG0
GPG1/GPG0
GPIO pin of NUC980
GPG3
GPG5
GPG9/GPG8
GPG9/GPG8
GPG9/GPG8
GPG9/GPG8
Rev 1.00