A31G212SQ

The A31G212SQ is a 32-bit microcontroller engineered for main controller roles in a wide range of appliances. It integrates an ARM Cortex-M0+ core running up to 48 MHz with on-chip peripherals and memory to support embedded control, sensor interfacing and user-interface tasks.

With 32 Kbytes of flash, 6 Kbytes of SRAM, multiple serial interfaces and dedicated timers/PWM resources, the A31G212SQ is designed to deliver a compact, highly integrated solution for appliance-level control and subsystem applications.

Key Features

• Core — ARM Cortex-M0+ 32-bit core with maximum operating frequency of 48 MHz for responsive control and deterministic interrupt handling.
• Memory — 32 Kbytes on-chip Flash and 6 Kbytes SRAM to store application code and runtime data for embedded appliance controllers.
• Power and Voltage — Wide operating voltage range from 1.8 V to 5.5 V to support multiple power architectures and battery-powered designs.
• Timers & PWM — Multiple timer resources including 16-bit general purpose timers, 32-bit timers and 16-bit 3-phase PWM plus 16-bit 6-channel PWM timers for motor control and precise timing functions.
• Analog — 12-bit ADC with 12 channels for sensor acquisition and a 5-bit DAC for simple analog output tasks.
• Interfaces — Rich serial connectivity with I2C, SPI, UART and USART ports to interface with sensors, peripherals and displays.
• User Interface & LED — Integrated LED driver (10 segments, 16 commons) and capacitive touch support (up to 24 channels on 48-pin variants) for direct UI implementation.
• System Reliability & Debug — Nested Vector Interrupt Controller (NVIC) with 32 interrupt sources, watchdog timer and SWD debug interface for robust system control and development support.
• Package & I/O — 44-pin MQFP package with 40 I/O ports, suitable for surface-mount assembly.
• Temperature Range — Rated for operation from −40 °C to +105 °C to meet commercial and industrial temperature requirements.

Typical Applications

• Home Appliances — Central appliance controllers handling motor control, timing and user interfaces using on-chip PWM, timers and LED driver resources.
• Motor and Drive Control — 3-phase 16-bit PWM and multiple PWM/timer channels provide the control granularity needed for fan, pump and small motor applications.
• Sensor Hubs and Data Acquisition — 12-bit ADC with multiple channels together with I2C/SPI/UART connectivity enables robust sensor interfacing and preprocessing.
• User Interface Control — Integrated LED driver and capacitive touch capability allow streamlined implementation of displays and touch controls with minimal external components.

Unique Advantages

• Highly integrated peripheral set: On-chip ADC, DAC, PWM, LED driver and capacitive touch reduce external component count and simplify BOM.
• Flexible power support: 1.8 V to 5.5 V operating range enables deployment across different power domains and battery-operated designs.
• Deterministic control performance: 32-bit Cortex-M0+ core at up to 48 MHz with NVIC and watchdog timer for responsive, reliable embedded control.
• Multiple serial interfaces: I2C, SPI, UART and USART ports provide flexible connectivity to sensors, actuators and peripherals.
• Industrial temperature capability: −40 °C to +105 °C rating supports extended-environment applications and appliance-level robustness.
• Compact, production-ready package: 44‑pin MQFP surface-mount package with 40 I/O pins for straightforward PCB integration.

Why Choose A31G212SQ?

The A31G212SQ balances processing capability, peripheral integration and system-level features in a compact 44‑pin MQFP package, making it well suited for appliance main controllers and subsystem electronics that require motor control, sensor interfacing and user-interface handling. Its Cortex-M0+ core combined with multiple timers, ADC channels and on-chip LED/touch support helps reduce external components and simplify board design.

Designed for robust operation across a wide supply voltage and extended temperature range, the A31G212SQ offers a scalable platform for developers and OEMs targeting embedded appliance applications that demand reliable, integrated control functionality.

Request a quote or submit a pricing inquiry to our sales team to discuss availability, volume pricing and lead times for the A31G212SQ.