A31G224RL2N

The A31G224RL2N is a 32-bit microcontroller based on an ARM Cortex-M0+ core, engineered as a main controller for a wide range of appliances and general-purpose embedded applications. It combines a high-performance 48 MHz Cortex-M0+ core with extensive on-chip memory and a broad set of peripherals to support real-time control, sensor interfacing, and user-interface tasks.

Designed for integrated system control, the device targets appliance, consumer and industrial designs that require a balanced mix of compute performance, analog conversion, and flexible serial interfaces while supporting extended temperature and voltage ranges.

Key Features

• Core  ARM Cortex-M0+ 32-bit core running up to 48 MHz for efficient control and deterministic interrupt handling.
• Memory  128 Kbytes program flash with on-chip data flash and 20 Kbytes SRAM; supports memory bank swap and read protection for secure firmware management.
• Connectivity  Rich serial interfaces including I2C, SPI, UART and USART to connect sensors and peripherals across multiple buses.
• Analog & Converters  12-bit ADC with up to 18 channels and a 12-bit DAC for precise sensor acquisition and analog output control.
• Peripherals & Timers  Multiple timers (7 × 16-bit, 2 × 32-bit), 3 × 16-bit PWM with 3‑phase complementary PWM generators, watchdog and watch timer for motor control and time-critical tasks.
• DMA & CRC  8-channel DMA for efficient data transfers and CRC generator (7/8/16/32-bit) for data integrity checks.
• Display & LED Support  Integrated LCD driver (up to 8 × 34 in 64-pin configuration) and high-current LED output port for user-interface and status indicators.
• System & Reliability  Low-voltage detection, multiple reset sources, nested vector interrupt controller (NVIC) and IEC60730 qualification to support robust appliance control.
• Power & Clock  Flexible power modes (Run, Sleep, Deep-Sleep), internal and external oscillators, PLL and clock monitoring for optimized power and timing.
• Package & Environmental  64-LQFP (10 × 10 mm, 0.5 mm pitch) package with 59 I/O pins and an operating temperature range of −40 °C to +105 °C.
• Development Support  SWD debug interface for streamlined firmware development and debugging.

Typical Applications

• Home Appliances  Central control for appliances—motor drive timing, user interface display and sensor monitoring—leveraging PWM, ADC and LCD support.
• Motor and Power Control  3-phase complementary PWM and multiple timers enable precise motor drive and power-conversion control for pumps, fans and compressors.
• Sensor Hubs & Industrial Controls  Multiple ADC channels, serial buses and wide operating temperature make the device suitable for multi-sensor acquisition and monitoring systems.
• User Interface Controllers  Integrated LCD driver, high-current LED port and USART/UART interfaces simplify display and human–machine interface implementations.

Unique Advantages

• Highly integrated solution: Combines code flash, data flash, SRAM, ADC/DAC, LCD driver and multiple serial interfaces to reduce BOM and simplify board design.
• Flexible power and clocking: Wide supply range (1.8–5.5 V), internal/external oscillators and multiple power modes allow adaptation to varied power budgets and clock sources.
• Real-time control capability: 48 MHz Cortex-M0+ core with multiple timers, 3-phase PWM and DMA supports responsive control loops and deterministic I/O handling.
• Robust operation: Industrial-grade operating temperature (−40 °C to +105 °C) and IEC60730 qualification support dependable performance in appliance and industrial environments.
• Secure and manageable memory: Memory bank swap and read protection features help secure firmware and enable flexible in-system updates.
• Compact package with abundant I/O: 64-LQFP (10 × 10 mm) with 59 I/O pins provides a balance of integration and board-level flexibility.

Why Choose A31G224RL2N?

The A31G224RL2N delivers a balanced combination of compute performance, integrated analog/peripheral resources and industrial-capable environmental specifications for embedded appliance and control designs. Its mix of ADC channels, PWM capabilities, LCD support and rich serial connectivity makes it suitable for systems that require both sensor acquisition and user-interface control within a compact package.

With on-chip data flash, security features, SWD debug support and comprehensive power/clock management, the device is well suited to development workflows that demand scalability, in-field firmware management and reliable long-term operation.

Request a quote or contact sales to discuss pricing, lead times, and volume availability for the A31G224RL2N. Technical datasheet and documentation are available upon request to support your design evaluation.