A31G224MLN

The A31G224MLN is a 32-bit microcontroller integrating an ARM Cortex-M0+ core and designed for main control in consumer appliances and embedded devices. It combines up to 48 MHz performance with on-chip Flash and SRAM, a broad set of analog and digital peripherals, and multiple serial interfaces to handle sensor and subsystem connectivity.

Targeted at designs that require rich peripheral integration and reliable control, the A31G224MLN delivers a compact platform for user interfaces, sensor acquisition, motor and power control tasks, and general embedded system management.

Key Features

• Core  ARM Cortex-M0+ 32-bit core running up to 48 MHz for efficient control and signal processing.
• Memory  128 Kbytes program Flash with support for Data Flash and 20 Kbytes SRAM; memory bank swap and read protection options enhance security and flexible firmware management.
• Analog Subsystem  12-bit A/D converter with up to 18 channels at 1500 ksps and a 12-bit D/A converter for precision sensor interfacing and signal generation.
• Timers, PWM and DMA  Multiple general-purpose timers, three 16-bit PWM channels for motor and power control, and an 8-channel DMA controller to offload data transfers and improve real-time responsiveness.
• Connectivity  Multiple serial interfaces including I2C, SPI, UART and USART to connect sensors, displays and peripherals across a range of topologies.
• Display and I/O  Integrated LCD driver (supporting 8 × 42 configuration) plus an LED/high-current output port and up to 75 general-purpose I/O pins for rich user-interface and control layouts.
• Clock and Power  Flexible clocking with internal and external oscillators, PLL support and operating voltage range from 1.8 V to 5.5 V to accommodate varied system power domains.
• System Reliability and Safety  Watchdog timer, CRC generator (CRC-7/CRC-8/CRC-16/CRC-32), low-voltage detection and IEC60730 qualification to support safety-conscious appliance designs.
• Development and Debug  SWD debug interface for development and debugging, plus features such as temperature sensing and monitoring system support.
• Package and Environmental  Available in an 80-LQFP package and specified for operation from -40 to 85 °C to meet a range of commercial embedded environments.

Typical Applications

• Home Appliances  Primary control for appliances requiring multi-sensor inputs, user displays and motor or power-stage control.
• Consumer Electronics  User-interface controllers and system management for devices that need mixed-signal peripherals and flexible I/O.
• Sensor Hubs and Instrumentation  Multi-channel ADC and DMA support enable efficient acquisition and preprocessing of sensor data.
• Display and Control Panels  Built-in LCD driver and high-current output ports simplify the design of interactive control panels and status indicators.

Unique Advantages

• Highly integrated peripheral set: Combines ADC, DAC, DMA, CRC, PWM, LCD driver and multiple serial interfaces to reduce BOM and simplify system design.
• Flexible memory and security features: 128 KB Flash, Data Flash support, memory bank swap and read-protection options allow secure firmware management and field upgrade strategies.
• Robust analog performance: 12-bit ADC with 18 channels at 1500 ksps plus a 12-bit DAC provide precise sensor acquisition and analog output capability.
• Designed for reliable appliance control: Watchdog, low-voltage detection and IEC60730 qualification support safe and predictable operation in appliance-class products.
• Wide power and clock flexibility: 1.8–5.5 V supply range, internal/external oscillators and PLL support a range of system-level power architectures and clock requirements.
• Development-ready: SWD debug interface and clear series documentation streamline bring-up and firmware development.

Why Choose A31G224MLN?

The A31G224MLN positions itself as a balanced, integrated microcontroller for appliance and consumer electronics main control applications—delivering Cortex-M0+ performance with a comprehensive peripheral mix and flexible power/clock options. Its combination of multi-channel analog conversion, display-driving capability and robust system features makes it suitable for designs that require both sensor fidelity and user-interface support.

Engineers designing compact, feature-rich embedded systems will find the A31G224MLN suited to scalable product lines where on-chip integration, security features and development support reduce time-to-market and system complexity.

Request a quote or submit a product inquiry to discuss pricing, lead times and how the A31G224MLN can fit your next design.