A31G313RMN

The A31G313 is a 32-bit microcontroller from the A31G31x series designed as the main controller for a wide range of appliances. It integrates an ARM Cortex-M0+ core running at 48 MHz with a rich set of on-chip peripherals and communication interfaces to control motors, sensors, and user interfaces.

With 64 Kbytes of Flash, 16 Kbytes of SRAM, up to 58 I/O pins and a broad supply range (1.8–5.5 V), the A31G313 delivers a balanced combination of compute, analog integration and I/O flexibility for embedded appliance designs operating from -40 to 85 °C.

Key Features

• Core  ARM Cortex-M0+ 32-bit core running at 48 MHz for responsive control and deterministic interrupt handling.
• Memory  64 Kbytes of on-chip Flash program memory and 16 Kbytes of SRAM for application code and runtime data.
• Power & Supply  Wide operating supply range of 1.8–5.5 V to support diverse system power rails and battery-powered configurations.
• Timers & Motor Control  Multiple timers including seven 16-bit timers and two 32-bit timers plus a 3-phase 16-bit PWM block for motor control and precise timing tasks.
• Analog  12-bit ADC with 14 channels (150 ksps) and a 12-bit DAC, along with two comparators and CRC, enabling sensor acquisition, analog output and system integrity checks.
• Connectivity  Multiple serial interfaces including I2C, SPI, UART and USART for interfacing with sensors and peripherals.
• Display & UI  Integrated LCD driver (29×8), LED driver / high-current port (11x25) and capacitive Touch Key support for up to 20 keys to simplify human‑machine interface design.
• DMA & System  4-channel DMA, PLL, and a Watch Dog Timer to support efficient data movement and robust system operation.
• Package & I/O  Available in a 64-LQFP surface-mount package with up to 58 general-purpose I/O pins for flexible board-level integration.
• Temperature Range  Designed for operation across -40 to 85 °C for appliance and general-purpose embedded environments.

Typical Applications

• Home Appliances  Central control for appliances such as washing machines and air conditioners where motor control, sensor interfacing and user displays are required.
• Motor Control Subsystems  Three-phase PWM, multiple timers and ADC channels make the device suitable for driving and monitoring motor systems.
• Human‑Machine Interfaces  On-chip LCD and LED drivers plus capacitive touch key support enable compact, integrated UI designs for consumer products.
• Sensor Hubs and Peripheral Control  Numerous serial interfaces and ADC inputs allow aggregation of sensor data and control of external peripherals in appliances and instrumentation.

Unique Advantages

• Highly integrated peripheral set: Combines PWM, ADC, DAC, LCD/LED drivers and touch-key support to reduce external components and simplify BOM.
• Flexible I/O and packaging: 58 available I/Os in a 64-LQFP surface-mount package provide board-level routing options while preserving a compact footprint.
• Wide supply voltage range: 1.8–5.5 V operation enables compatibility with multiple system power rails and battery-powered designs.
• Application-ready analog capabilities: 12-bit ADC (14 channels, 150 ksps) and 12-bit DAC support accurate sensor acquisition and analog control loops.
• Dedicated motor and timing resources: 3-phase 16-bit PWM and multiple 16-/32-bit timers tailored for deterministic motor control and timed events.
• Documented product maturity: Supported by ABOV’s datasheet and revision history for design reference and long-term maintenance.

Why Choose A31G313RMN?

The A31G313RMN positions itself as a balanced general-purpose MCU for appliance and embedded control applications, delivering a 32-bit Cortex-M0+ core with ample on-chip Flash and SRAM alongside a broad set of analog, timing and interface peripherals. Its integrated display, touch and motor-control resources make it suitable for compact, function-rich designs that benefit from fewer external components.

Engineers designing sensor-rich or motor-driven consumer and industrial systems will find the A31G313RMN suited to applications that require reliable operation across a wide voltage and temperature range, straightforward I/O expansion and comprehensive on-chip functionality documented in ABOV’s product literature.

Request a quote or submit an inquiry to our sales team to discuss availability, pricing and technical details for integrating the A31G313RMN into your next design.