Online Support

Featured Products

Featured Applications



Nuvoton® NuMicro® NUC029 series is a new microcontroller product line that designed for industrial control applications. NuMicro® NUC029 series provide robust immunity and strong anti-interference ability (ESD HBM 7KV / EFT 4.4KV). NuMicro® NUC029 series can operate with 2.5V ~ 5.5V operating voltage, -40°C to +105°C temperature range, 24MHz~72 MHz operating frequency, 16 KB ~ 256 KB Flash, 2 KB ~ 20 KB SRAM, equipped with high performance with plenty peripherals such as 12-bit ADC, UART, PWM, SPI, I2C…etc. Specific parts support hardware divider, comparator, USB 2.0 full-speed device bus. NuMicro® NUC029 series provides diverse packages (TSSOP20, QFN33, QFN48, LQFP48, LQFP64) to meet customer’s product requirement. NuMicro® NUC029 SEE/LEE/SGE/LGE are enhanced with USB 2.0 full-speed crystal-less device feature to reduce BOM cost and physical size.

Target Application:

  • PLCs
  • Inverters
  • Smart-energy devices
  • Digital Display Meter
  • Security Alarm System

Key Features:

Operating Characteristics
  -   Voltage range: 2.5 V to 5.5 V
  -   Temperature range: -40°C to +105°C
  -   EFT 4.4KV
  -    ESD HBM 7KV
  -   ARM Cortex-M0 processor running up to 72MHz
  -   Up to 256KB Flash 
  -   Up to 20 KB SRAM
    4KB Flash for user program loader (LDROM)
    ISP/ICP/IAP programming
  -   External Bus Interface(EBI) 
  -   Up to 2 K bytes SPROM (Security Protection ROM)
  -   4 to 24 MHz HXT crystal oscillator or external input clock
  -   32 kHz LXT crystal oscillator or external input clock for low-power system operation

Internal 22.1184 MHz HIRC oscillator with variation ±2% within all temperature range

  -   Internal 38.4kHz LIRC. Add trim mechanism for UART 2% accuracy
  -   One PLL for high speed module operation
Hardware Divider
  -   Up to 4* 32-bit timers
  -   Up to 16-bit 144 MHz PWM (Up to 12 channels)
  -   One Independent watchdog
  -   One window watchdog
  -   RTC with Calendar and Alarm
  -   CRC-CCITT, CRC-8, CRC-16, and CRC-32
  - Up to 15 channels 12-bit 1 Msps ADC
  - Up to 4 rail-to-rail comparators (ACMP)
Communication Interface
  - Up to 4 UART interfaces with UART
  - Up to 2 I2C interfaces 
  - Up to 2 SPI/I2S interface 
  - Up to 4 channels of LIN connectivity
Power management
  - Integrated with Power-on Reset, Brown-out Reset and Low Voltage Reset
  - Built-in LDO 
  - Up to 9 channels
96-bit Unique ID (UID)
128-bit Unique Customer ID (UCID)


Enter the Email address you like to share*
Your email*
Your name*
Validate Code*

User Feedback

Please rate our website
Validate Code*


Login myNuvoton

to stay informed of any changes to the documents you download.
If you don't want to login, just close this page and download directly.