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Not Recommended For New Designs (NRND)

Recommended Part Number:

- NUC123 Series  


The NuMicro™ NUC122 series embedded with  the ARM® Cortex™-M0 core runs up to 60 MHz with 32K/64K bytes Flash program memory, 4K/8K bytes SRAM, and 4K bytes Flash loader memory for In System Program (ISP) . The NUC123 series also integrates Timers, Watchdog Timer (WDT) , RTC, UART, SPI, I²C, PWM Timer, GPIO, USB 2.0 FS Device, Low Voltage Reset Controller and Brown-out Detector.

Target Application:

Consumer Electronic, USB Keyboard, Touch System, etc.

Key Features:


- Cortex™-M0 processor

- Max frequency of 60 MHz

- Operating voltage: 2.5V to 5.5V

- Temperature range: -40℃ ~ 85℃


- 32 KB of flash memory

- 4 KB of SRAM

- 4 KB of Data Flash

- ISP (In-System Programming)

- ICP (In-Circuit Programming)



- One USB 2.0 full speed device

- Up to two SPIs (up to 25 MHz)

- Up to one I²Cs (up to 400 kHz)

- Up to two UARTs (up to 1 Mbps)

Clock Control

- 4 to 24 MHz external crystal oscillator

      - 22.1184 MHz internal RC oscillator (±1% accuracy at 25℃, 5V)


Data Sheet

  • Example Code

  • File name Version Update Download
  • [NUC123][USB_HID]USBD_HID_TOUCH 1.0  2018/04/03
  • Product Brief

  • File name Version Update Download
  • PB_NUC122_Series_EN_Rev1.10 1.10  2018/01/08
  • Data Sheet

  • File name Version Update Download
  • Online Training

  •   Name Published date Online certificate
  • 2017新唐科技NuMicro微控制器新產品與應用研討會_新唐科技全球市場發展策略及願景 2017/12/01
  • 2017新唐科技NuMicro微控制器新產品與應用研討會_基於Arm Mbed之物聯網全面解決方案&NuMicro創新方案 2017/12/01
  • 2017新唐科技NuMicro微控制器新產品與應用研討會_NuMicro高性能新產品介紹 2017/12/01
  • User Manual

  • File name Version Update Download
  • UM_NuTiny-SDK-NUC122_EN_Rev1.1 1.1  2014/07/16


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