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Nuvoton NUC131 Arm® Microcontrollers

Nuvoton NUC131 Arm® Microcontrollers (MCUs) are designed for automotive and industrial control applications that need reliable and robust CAN communication. These MCUs are 32-bit Arm® Cortex®-M0 based microcontrollers running up to 50MHz with a built-in Controller Area Network (CAN) 2.0 B interface. The NuMicro  NUC131 MCUs operate at a 2.5V to 5.5V voltage range and -40°C to 105°C temperature range. These NuMicro 32-bit MCUs feature 36/68KB flash, 8KB SRAM, and 4KB ISP ROM. The NUC131 MCUs also feature 24 channels of 100MHz high-resolution PWMs with brake function and complementary output to drive both stepping motor and HVAC compressor. These NuMicro MCUs are available in all green packages (RoHS), LQFP 64-pin (7mm x 7mm), and LQFP 48-pin (7mm x 7mm).

Features

  • Arm® Cortex®-M0 core:
    • Runs up to 50MHz
    • One 24-bit system timer
    • Supports low-power sleep mode
    • Single-cycle 32-bit hardware multiplier
    • NVIC for the 32 interrupt inputs, each with 4 levels of priority
    • Serial wire debug supports 2 watchpoints/4 breakpoints
    • 2.5V to 5.5V built-in LDO for a wide operating voltage range
    • 8KB embedded SRAM memory
  • GPIO:
    • Four I/O modes:
      • Quasi-bidirectional
      • Push-pull output
      • Open-drain output
      • Input only with high impedance
    • TTL/Schmitt trigger input selectable
    • I/O pin configured as an interrupt source with edge/level setting
  • 6-bit down counter with 11-bit prescale for a wide range window selected
  • Supports brown-out interrupt and reset option
  • 128-bit Unique Customer ID (UCID)
  • Brown-out detector with 4 levels 4.4V / 3.7V / 2.7V / 2.2V
  • UART:
    • Up to six UART controllers
    • UART0 and UART1 ports with flow control (TXD, RXD, nCTS, and nRTS)
    • UART0, UART1, and UART2 with a 16-byte FIFO for standard device
    • Supports IrDA (SIR) and LIN function
    • Supports RS-485 9-bit mode and direction control
    • Supports auto baud-rate generator
  • 96-bit Unique ID (UID)
  • 2V threshold voltage level, low-voltage reset
  • -40°C and 105°C operating temperature range 
  • Packages:
    • All green package (RoHS)
    • LQFP 64-pin (7mm x 7mm)
    • LQFP 48-pin (7mm x 7mm)

Block Diagram

Block Diagram - Nuvoton NUC131 Arm® Microcontrollers
Publié le: 2025-05-14 | Mis à jour le: 2025-06-18