A31G224RM2N

The A31G224RM2N is a 32-bit microcontroller from Abov designed for main control in a wide range of appliances and consumer-electronics applications. It integrates an ARM Cortex-M0+ core running up to 48 MHz with a rich set of peripherals to support sensor interfacing, user interfaces and control tasks.

With large embedded flash, data flash and SRAM plus on-chip ADC, DAC, DMA and a variety of serial interfaces, the device delivers high integration for compact, reliable appliance control systems while supporting IEC60730 safety-oriented functions.

Key Features

• Core — ARM Cortex-M0+ 32-bit core operating up to 48 MHz for responsive control and deterministic embedded tasks.
• Memory — 128 KB code flash with 32 KB data flash and 20 KB SRAM. Memory bank swap and read-protection features are provided for flexible code and data management.
• Analog & Data Conversion — 12-bit A/D converter (up to 1.0 Msps) with up to 18 input channels and a 12-bit D/A converter for precise sensor acquisition and analog output.
• Timers, PWM & DMA — Multiple 16-bit general purpose timers, 32-bit timers and 16-bit PWM including 3‑phase complementary PWM generators; 8-channel DMA supports efficient data movement without CPU overhead.
• Connectivity & Serial Interfaces — Multiple serial peripherals including UART and USART channels, I2C and SPI interfaces to support displays, sensors and external subsystems.
• Display & GPIO — On-chip LCD driver (configurable for 64-pin mapping) and up to 59 general-purpose I/O pins for user interface and control signals.
• System Reliability & Safety — IEC60730 qualification support, on-chip CRC generator (CRC‑7/8/16/32), watchdog timers and temperature sensor for safety monitoring and system integrity checks.
• Clock, Power & Reset — Integrated PLL, multiple clock sources (internal and external), low-voltage detection, multiple reset types and power modes (RUN, SLEEP, DEEP-SLEEP) for flexible power management.
• Package & Environmental Range — Supplied in a 64-LQFP package and rated for operation from −40 °C to +105 °C with a wide supply voltage range of 1.8 V to 5.5 V.
• Development Support — SWD debug interface and NVIC with multiple interrupt sources (37) to aid development and responsive interrupt handling.

Typical Applications

• Home Appliances — Main control for appliances where integrated ADC/DAC, PWM and IEC60730 support are required for secure, monitored operation.
• Consumer Electronics — Control and interface tasks for consumer devices that benefit from compact integration of memory, serial interfaces and display drive capability.
• Display & User Interface Control — Driving LCD panels and managing button/LED interfaces using the on-chip LCD driver and abundant GPIO resources.
• Sensor Acquisition & Monitoring — Multi-channel 12-bit ADC and internal temperature sensing for accurate sensor data collection and system health monitoring.

Unique Advantages

• Highly integrated analog and digital peripherals: On-chip 12-bit ADC and DAC, PWM, timers and DMA reduce external components and simplify BOM.
• Flexible memory architecture: 128 KB code flash, 32 KB data flash and memory bank swap enable in-field updates and secure data storage strategies.
• Safety-oriented feature set: IEC60730 support, CRC generator and watchdog timers provide building blocks for safety-monitored appliance systems.
• Wide operating conditions: 1.8–5.5 V supply range and −40 °C to +105 °C operating temperature accommodate a broad set of industrial and consumer environments.
• Efficient control performance: Cortex-M0+ core at up to 48 MHz combined with an NVIC and DMA enables responsive control with lower CPU intervention.
• Compact packaging with generous I/O count: 64-LQFP package with up to 59 I/O pins supports complex interfaces while maintaining a small footprint.

Why Choose A31G224RM2N?

The A31G224RM2N positions itself as a highly integrated microcontroller for appliance and consumer-electronics main control, combining a Cortex‑M0+ core, sizable on‑chip memory and a broad peripheral set tailored for sensor acquisition, user interfaces and motor/actuator control tasks. Its safety and system features such as IEC60730 support, CRC generation and temperature sensing help architects build reliable, monitored systems.

This device is suited to designers seeking an integrated MCU that reduces external components while providing the peripherals and operating range necessary for robust appliance and consumer designs. Its combination of memory, analog capability and power management features provides a scalable foundation across product variants in the A31G22x family.

Request a quote or submit an inquiry to our sales team for pricing, lead times and to discuss how the A31G224RM2N fits your design requirements.