A31G112SQ

The A31G112SQ is a powerful, low‑power microcontroller based on the ARM Cortex‑M0+ core, offering 32 Kbytes of Flash and 4 Kbytes of SRAM for embedded control applications. It operates from 1.8 V to 5.5 V and includes integrated peripherals and power management features to simplify design in consumer and appliance markets.

Designed for applications requiring peripheral integration and efficient control, the device combines multiple timers, a 12‑bit ADC, communication interfaces and an LCD driver to address home appliances, smart locks, air cleaners and general purpose embedded systems.

Key Features

• Core — ARM Cortex‑M0+ 32‑bit core running up to 40 MHz for deterministic, efficient control code execution.
• Memory — 32 Kbytes of internal Flash and 4 Kbytes of SRAM for application code and runtime data storage.
• Power and Voltage — Wide supply range from 1.8 V to 5.5 V with POR, LVR/LVI and internal RC oscillator; supports SLEEP and DEEP‑SLEEP modes to reduce power consumption.
• Timers and PWM — Six general purpose timers including 16‑bit timers, a 16‑bit timer with 6‑channel PWM and 3‑phase 16‑bit PWM capability for motor and power control tasks.
• Analog — 12‑bit A/D converter with 9 channels (device variant) and up to 50 ksps sampling rate for sensor interfacing and control loops.
• Interfaces — Multiple serial interfaces including USART/UART and I2C options for external communications and peripheral connectivity.
• Display and LED — Integrated LCD driver/controller (up to 8 × 23 segments) with resistor bias and 16‑step contrast control, plus LED drive/high current port capabilities.
• System Reliability — 16‑bit CRC generator (CRC‑CCITT, CRC‑16), 24‑bit watchdog timer and clock monitoring to support robust system operation.
• Package and I/O — 41 user I/Os in a 44‑MQFP surface mount package; max. 120 mA sink current capability across six dedicated output pins (PD0–PD5).
• Temperature Range — Industrial operating range from −40 °C to +105 °C suitable for varied environments.

Typical Applications

• Home Appliances — Control interfaces, sensor acquisition and display driving for appliances such as laundry, HVAC controllers and kitchen devices.
• Smart Door Locks — Secure, low‑power control and user interface management using integrated timers, ADC and serial communications.
• Air Cleaners — Fan/motor PWM control, sensor monitoring and LCD status displays for compact appliance platforms.
• General Purpose Embedded Control — Versatile peripheral set and memory footprint for diverse embedded projects requiring integrated display, I/O and communication.

Unique Advantages

• Highly integrated peripheral set: On‑chip ADC, multiple timers, LCD driver and serial interfaces reduce external components and simplify BOM.
• Flexible power and voltage support: 1.8 V–5.5 V operation with POR/LVR/LVI and low‑power sleep modes enables designs across battery and mains‑powered systems.
• Display and LED drive built in: LCD controller (up to 8 × 23) with contrast control and high‑current LED ports cut the need for external display drivers.
• Application‑ready timing and motor control: Multi‑channel PWM, 3‑phase PWM and multiple 16‑bit timers facilitate motor control and precise timing functions.
• Robust system features: 16‑bit CRC generator and watchdog timer support data integrity and fault recovery for reliable embedded operation.
• Industrial temperature support: −40 °C to +105 °C rating allows deployment in a wide range of environmental conditions.

Why Choose A31G112SQ?

The A31G112SQ positions itself as an integrated solution for embedded control applications that need a compact Flash/SRAM footprint, a robust set of on‑chip peripherals and flexible power handling. Its Cortex‑M0+ core and comprehensive peripheral mix make it suitable for designers building consumer appliances, security devices and general purpose controllers who want to minimize external components.

With industrial temperature support, a 44‑MQFP surface‑mount package and dedicated features such as LCD driving, multi‑channel PWM and a 12‑bit ADC, the A31G112SQ delivers a balanced combination of functionality and system reliability backed by Abov’s documentation and device family consistency.

Request a quote or submit an inquiry for the A31G112SQ to receive pricing, availability and support information for your design.