A31G112KY

The Abov A31G112KY is a 32 Kbytes Flash, 4 Kbytes SRAM microcontroller based on the ARM Cortex‑M0+ core, operating up to 40 MHz and supporting supply voltages from 1.8 V to 5.5 V. It targets embedded control and appliance applications, delivering a compact, feature‑rich platform with integrated timers, analog conversion, display driving and robust system management features.

With on‑chip peripherals such as multi‑channel timers and a 12‑bit ADC, plus display drive and power management blocks, the A31G112KY is suited for designs requiring a balance of performance, peripheral integration and low‑power modes.

Key Features

• Core & Performance ARM Cortex‑M0+ 32‑bit core running up to 40 MHz for efficient control and deterministic interrupt handling.
• Memory 32 Kbytes internal Flash program memory and 4 Kbytes of internal SRAM for code and data storage.
• Power & Clock Wide operating voltage range from 1.8 V to 5.5 V, internal RC oscillator and support for external clocks, plus POR, LVR/LVI and on‑chip LDO for system stability.
• Timers & PWM Multiple timer options including 16‑bit and 32‑bit general purpose timers and a 16‑bit timer with 6‑channel PWM capability for motor control, PWM dimming and timing functions.
• Analog & Data Conversion 12‑bit ADC (50 ksps) with multi‑channel inputs for sensor interfacing and analog measurements.
• Interfaces & Communications Serial peripherals include USART (UART + SPI), UART and I2C interfaces to connect sensors, actuators and external controllers.
• Display & GPIO Integrated LCD driver/controller supporting segmented displays and LED drive capability with up to 120 mA sink across six outputs (PD0–PD5); 29 general‑purpose I/Os available.
• System Reliability 16‑bit CRC generator (CRC‑CCITT, CRC‑16), 24‑bit watchdog timer and clock monitoring for enhanced system integrity.
• Low Power Modes Sleep and deep‑sleep modes to reduce power consumption in standby and intermittent‑activity applications.
• Package & Temperature 32‑QFN package (5×5‑0.5 mm) with industrial temperature capability up to +105 °C (device offered in industrial grade range).

Typical Applications

• Home Appliances — Control and user‑interface management for appliances such as air cleaners and household devices, leveraging the MCU’s timers, ADC and display driver.
• Smart Locks & Access Control — Secure, low‑power control and sensor interfacing with watchdog and power supervisory features to ensure reliability.
• Consumer Electronics with Segmented Displays — Direct LCD/LED drive for status panels and multi‑segment readouts, reducing external component count.
• General Embedded Control — Motor control, PWM actuation and multi‑sensor aggregation for applications that require integrated timing and analog front‑end.

Unique Advantages

• Highly integrated peripheral set: Combines ADC, multiple timers, PWM channels, CRC and display driver on a single chip to reduce BOM and simplify PCB design.
• Flexible power domain: 1.8–5.5 V supply range and on‑chip LDO with POR and LVR/LVI provide adaptable deployment across battery and mains‑powered designs.
• Display‑ready capability: LCD driver/controller and LED sink drivers enable direct connection to segmented displays and indicators without large external drivers.
• Deterministic control features: Multiple timer types and a 24‑bit watchdog allow robust real‑time control and safety monitoring in embedded systems.
• Compact footprint with ample I/O: 32‑QFN (5×5 mm) package delivers 29 usable I/Os for dense, space‑constrained applications.
• Development and reliability aids: SWD debug interface, USART ISP support and CRC hardware accelerate development and help validate system integrity.

Why Choose A31G112KY?

The A31G112KY positions itself as a practical, integrated microcontroller for embedded designs that require a mix of analog sensing, display control and precise timing inside a compact package. Its ARM Cortex‑M0+ core with 32 Kbytes Flash and 4 Kbytes SRAM supports typical application code sizes while on‑chip peripherals reduce external component needs.

Engineers designing consumer appliances, access control devices or general‑purpose embedded controllers will find the A31G112KY useful where reliable system supervision, segmented display driving and flexible power operation are important. The combination of industrial temperature support, hardware CRC and watchdog features contributes to long‑term robustness and maintainability in deployed products.

Request a quote or submit an inquiry to check pricing and lead times for the A31G112KY and to discuss volume availability and technical support for your design.