Nuvoton Technology Corporation M031FB0AE - DE-1211-D

The Nuvoton M031FB0AE is a 32-bit microcontroller designed for compact embedded systems requiring efficient processing, precise analog data acquisition, and responsive control. Built around an Arm Cortex-M0 processor running at up to 48 MHz, it integrates 16 KB of Flash memory and 2 KB of SRAM for program execution and runtime data storage.

The device operates from 1.8V to 3.6V and supports a temperature range of -40°C to +105°C. Its integrated seven-channel, 12-bit ADC delivers conversion rates of up to 2 MSPS, while six-channel 16-bit PWM supports control applications. Additional features include UART, I²C, SPI/I²S, timers, ISP/ICP/IAP programming support, and 512 bytes of Security Protection ROM (SPROM).

These integrated capabilities make the M031FB0AE suitable for laser distance meters, air detectors and cleaners, mobile LCD panel controllers, micro printers, wireless charging equipment, and other embedded electronic systems.

Key Features

Core and Processing

• 32-bit Arm Cortex-M0 processor
  

• Operating frequency up to 48 MHz
  

• Hardware 32-bit multiplier and divider
  

Memory

• 16 KB Flash memory
  

• 2 KB SRAM
  

• 2 KB loader ROM (LDROM) for user program loading
  

• 512 bytes Security Protection ROM (SPROM)
  

• ISP, ICP, and IAP programming support
  

Operating Characteristics

• Supply voltage: 1.8V to 3.6V
  

• Operating temperature: -40°C to +105°C
  

• EFT immunity: 4.4 kV
  

• ESD HBM: 6 kV
  

Clock and Timers

• 4–32 MHz external crystal oscillator or external clock input
  

• Internal 48 MHz high-speed oscillator with ±2% variation across the specified temperature range
  

• Internal 38.4 kHz low-speed oscillator
  

• Up to two 32-bit timers
  

• One 24-bit SysTick timer
  

PWM and Analog

• Six-channel, 16-bit PWM with a 96 MHz clock
  

• Seven-channel, 12-bit ADC
  

• ADC conversion rate up to 2 MSPS
  

Communication and Additional Features

• Two UART interfaces supporting up to 6 MHz
  

• One additional UART for basic TX/RX operation
  

• Two I²C interfaces supporting up to 1 MHz
  

• One SPI/I²S interface supporting up to 24 MHz
  

• 15 GPIO pins, with 5V-tolerant I/O support where specified
  

• 96-bit Unique ID (UID)
  

• 128-bit Unique Customer ID (UCID)
  

• CRC support for CRC-CCITT, CRC-8, CRC-16, and CRC-32
  

Applications

• Laser distance meters
  

• Air detectors and air cleaners
  

• Mobile LCD panel controllers
  

• Micro printers
  

• Wireless power charging (WPC) equipment
  

• Sensor monitoring and data acquisition
  

• Embedded control systems
  

• Electronic devices requiring PWM and analog signal processing
  
  

Nuvoton M031FB0AE Datasheet