A31G316RMN

The A31G316RMN is a high-performance 32-bit microcontroller based on an ARM Cortex-M0+ core, tailored for main-controller roles in consumer appliance applications. It combines substantial on-chip Flash and SRAM with a broad set of analog and digital peripherals to support motor control, sensor interfacing and user-interface functions.

With flexible supply voltage and integrated timing, conversion and driver resources, the A31G316RMN delivers a compact, integrated platform for embedded system designs that require a mix of compute, analog I/O and interface connectivity.

Key Features

• Core ARM Cortex-M0+ 32-bit core running up to 48 MHz (HSI 48 MHz) for deterministic embedded control tasks.
• Memory 256 Kbytes Flash program memory and 16 Kbytes on-chip SRAM for application code and data.
• Power and Supply Wide operating supply voltage of 1.8 to 5.5 V and operating temperature range from −40 to 85 °C.
• Analog Subsystem 12-bit ADC with 14 channels (150 ksps) plus a 12-bit DAC and two comparators for precision sensor acquisition and analog control.
• Motor and Timing 3-phase 16-bit PWM and multiple timers (seven 16-bit and two 32-bit timers) suitable for motor drive and timed control sequences.
• Interfaces Rich serial connectivity including I2C (3 channels), UART (2 channels) and USART (3 channels) to support diverse peripheral and sensor networks.
• System and Data Handling On-chip DMA (4 channels), CRC engine and PLL provide efficient data movement, integrity checking and clock management.
• User Interface and IO Integrated LCD driver (29×8), LED driver / high-current port (11×25) and 20 touch-key inputs enable compact UI implementations; up to 58 GPIOs available.
• Package 64-LQFP (12×12 mm, 0.6 mm pitch) package for system-level integration and PCB layout flexibility.

Typical Applications

• Home Appliances — Main controller for consumer appliances where integrated motor control, UI and sensor interfaces are required.
• Motor Control — 3-phase 16-bit PWM combined with timers and ADC for embedded motor-drive and fan control applications.
• User Interface Control — On-chip LCD driver, LED driver and touch-key inputs simplify implementation of appliance displays and controls.
• Sensor and Analog Monitoring — Multi-channel 12-bit ADC and 12-bit DAC enable precision sensor acquisition and analog signal conditioning.

Unique Advantages

• Highly integrated MCU: Large Flash (256 KB) and SRAM (16 KB) plus a wide range of peripherals reduce external components and simplify system BOM.
• Flexible power operation: 1.8–5.5 V supply range enables use across different appliance power domains and design constraints.
• Dedicated motor-control resources: 3-phase 16-bit PWM and multiple timers provide a compact platform for motor drive and control loops.
• Comprehensive analog support: 12-bit ADC (14 channels), 12-bit DAC and comparators enable accurate sensing and actuation without extensive external hardware.
• Rich connectivity: Multiple I2C, UART and USART channels enable flexible peripheral and sensor integration.
• Designed for embedded reliability: On-chip DMA, CRC and watchdog support robust system operation and data integrity in appliance environments.

Why Choose A31G316RMN?

The A31G316RMN positions itself as a compact, feature-rich microcontroller for consumer appliance main controllers that need a balance of processing, analog I/O and interface integration. Its combination of 256 KB Flash, 16 KB SRAM, motor-control PWM, multi-channel ADC/DAC and UI drivers makes it well suited to designs that consolidate functionality onto a single MCU to reduce board complexity.

Backed by ABOV Semiconductor documentation and datasheet resources, the A31G316RMN is a practical choice for teams developing scalable appliance controllers and embedded systems that require clear specification, integrated peripherals and a wide operating voltage and temperature envelope.

Request a quote or contact our sales team to discuss availability, pricing and how A31G316RMN can fit your next embedded appliance design.