NuMaker Learning Board NUC140

The Nu-LB-NUC140 is an evaluation board for NUVOTON’s Cortex™-M0 based
NUC100 series microcontrollers, and provides a complete development environment for
NUC140 microcontrollers which has 4K/8K/16K byte internal SRAM and
32K/64K/128K-byte embedded flash, build-in 1.8V LDO, integrated Timers, Watchdog
Timer, RTC, PDMA, UART, SPI/SSP, I2C, PWM Timer, GPIO, LIN, CAN, USB 2.0 FS
Device, 12-bit ADC, Analog Comparator, Low Voltage Detector and Brown-out detector.
It supports Brown-Out Detector.
The Nu-LB-NUC140 learning board is similar to other development boards. Users can
use it to develop and verify applications to emulate the real behavior. The on-board chip
covers NUC140 series features. The Nu-LB-NUC140 can be a real system controller to
design users’ target systems.
This user manual provides information about hardware features and information about
using this learning board. The following figure shows the Nu-LB-NUC140 board.

The Nu-LB-NUC140 is built around the NuMicro NUC140 MCU and provides versatile
external devices such as one SPI flash for data storage, one SD card slot supported by
SPI port1, one I2C interface serial EEPROM, one UART port with a RS-232 level shifter
for console connection (UART0) and one 5-pin SWD interface for ICE debugging.
The following lists the main components of the Nu-LB-NUC140 board:

• A Starter Kit made by Nuvoton
• IAR EWARM (evaluation version) included
• Keil RVMDK (evaluation version) included
• Supported by CooCox CoIDE
• Examples with source code included