A31G226RM2N

The A31G226RM2N is a 32-bit microcontroller from Abov designed for main controller applications in various appliances. It is built around a high-performance ARM Cortex-M0+ core running up to 48 MHz and integrates large on-chip memory and a broad set of analog and digital peripherals.

With multiple serial interfaces and dedicated display and safety features, the A31G226RM2N targets appliance and embedded controller designs that require reliable real-time control, sensor interfacing and user-interface support within a wide supply and temperature range.

Key Features

• Core & Interrupts High-performance ARM Cortex-M0+ core with clock up to 48 MHz and Nested Vector Interrupt Controller (NVIC) supporting 37 interrupt sources for responsive control.
• Memory 256 KB code flash with memory bank swap and read protection, 32 KB data flash and 20 KB SRAM to accommodate application code and persistent data.
• Analog & Sensing 12-bit A/D converter (1.0 Msps) with up to 18 input channels, 12-bit D/A converter (1 channel), internal temperature sensor and dual comparators for onboard sensing and control.
• Connectivity Multiple serial interfaces for external devices and sensors including I2C, SPI, UART and USART channels.
• Timers & PWM Wide timer set including 16-bit general-purpose timers, 32-bit timers and 16-bit PWM with 3-phase complementary PWM generators for advanced timing and control tasks.
• DMA & Data Integrity 8-channel DMA controller supporting peripheral-to-peripheral transfers and CRC generator supporting CRC-7/8/16/32 for data integrity checks.
• Display & GPIO Integrated LCD driver with COM×SEG configuration options and up to 59 I/O pins; sink-type high-current output ports and LED driver capability for interface and load driving.
• Power & Clock Management Wide operating voltage range 1.8–5.5 V, internal and external oscillator support, PLL, and low-power modes (RUN, SLEEP, DEEP-SLEEP) with low-voltage detection and clock monitoring.
• Safety & Qualification IEC60730 qualification and watchdog/watch timers to support safety-aware appliance designs across the operating temperature range −40° to +105° C.
• Development Support & Package SWD debug interface for development and debugging; supplied in a 64-LQFP package suitable for appliance controller layouts.

Typical Applications

• Home Appliances Main controller for appliances that require user interfaces, sensor acquisition and drive control, leveraging the integrated LCD driver, ADC and PWM resources.
• Consumer & Embedded Electronics Device control and sensor interfacing where compact integration of flash, SRAM and serial interfaces reduces board complexity.
• Industrial Control & Monitoring General-purpose control and monitoring applications that benefit from wide supply range (1.8–5.5 V) and extended temperature operation (−40° to +105° C).
• Display and User Interface Embedded display controllers and UI subsystems using the on-chip LCD driver combined with GPIO and LED driver capabilities.

Unique Advantages

• Highly integrated peripheral set: On-chip flash, data flash, SRAM, ADC, DAC, DMA, LCD driver and CRC reduce external components and simplify board design.
• Flexible power and clocking: Wide 1.8–5.5 V supply range, internal/external oscillators and PLL with low-power modes enable adaptable power management across applications.
• Safety-oriented design: IEC60730 qualification plus watchdog and low-voltage detection features help meet appliance safety requirements.
• Responsive real-time control: Cortex-M0+ core at up to 48 MHz with 37 interrupt sources, multiple timers and DMA for efficient, low-latency system control.
• Compact package with rich I/O: 64-LQFP package with 59 I/O pins and high-current sink outputs supports dense, application-focused PCB layouts.

Why Choose A31G226RM2N?

The A31G226RM2N balances performance, integration and reliability for appliance and embedded controller designs. Its ARM Cortex-M0+ core, substantial on-chip flash and data RAM, and comprehensive peripheral set (ADC/DAC, DMA, LCD, PWM, CRC) provide a compact platform for control, sensing and user-interface functions.

Designed for systems that require robust operation across a wide voltage and temperature range, the device is well suited to developers seeking a single-chip solution that reduces BOM and simplifies firmware integration while meeting appliance safety qualification requirements.

Request a quote or contact sales to discuss availability, lead times and design-in support for the A31G226RM2N.