A31G316RLN

The A31G316RLN is a 32-bit microcontroller based on the ARM Cortex-M0+ core, tailored for main control in a variety of appliances and consumer electronic applications. It combines a 48 MHz Cortex-M0+ CPU with 256 Kbytes of Flash and 16 Kbytes of SRAM, delivering a balanced mix of performance and on-chip integration for sensor and device communication.

With a wide array of analog and digital peripherals, flexible serial interfaces and broad supply voltage range, the A31G316RLN targets designs that require integrated control, mixed-signal I/O and robust interfacing across temperature and supply conditions.

Key Features

• Core  ARM Cortex-M0+ 32-bit core running at 48 MHz for deterministic control and efficient code density.
• Memory  256 Kbytes of on-chip Flash program memory and 16 Kbytes of SRAM, suitable for application firmware and runtime data.
• Power and Supply  Flexible supply range from 1.8 V to 5.5 V to support diverse system power architectures.
• Analog  12-bit A/D converter with 14 channels and a 12-bit D/A converter for precision sensor acquisition and analog output.
• Motor and PWM  3-phase PWM (16-bit) capability and multiple timers (16-bit and 32-bit) for motor control and advanced timing functions.
• Connectivity  Integrated serial interfaces including I2C, SPI, UART and USART for comprehensive device and sensor communication.
• System and Peripherals  On-chip DMA, CRC, comparator, PLL, LCD driver, LED/high-current port driver, touch-key, and a watchdog timer for system reliability and feature integration.
• Oscillators  Support for both internal and external oscillators to accommodate precise timing or simplified clocking.
• GPIO  Up to 58 general-purpose I/O pins for flexible system interfacing and control.
• Package and Mounting  64-LQFP package (10 × 10 × 0.5 mm) in a surface-mount form factor for standard PCB assembly processes.
• Operating Range  Designed for industrial and consumer environments with an operating temperature range of −40 °C to 85 °C.

Typical Applications

• Home Appliances  Main control for washing machines, HVAC controllers and kitchen appliances where mixed-signal I/O and motor/PWM control are required.
• Consumer Electronics  User interface and sensor management in devices that need display drivers, touch-key input and analog conversion.
• Motor Control  Three-phase PWM and timer resources for brushless DC motor drive and other motor-management applications.
• Sensor and Device Communication  Multi-protocol serial interfaces (I2C, SPI, UART/USART) for interfacing with sensors, actuators and external modules.

Unique Advantages

• Balanced compute and memory  A 48 MHz Cortex-M0+ core paired with 256 Kbytes Flash and 16 Kbytes SRAM supports complex control code and data buffering without immediate external memory needs.
• Comprehensive analog front end  12-bit ADC with 14 channels plus a 12-bit DAC enables direct sensor interfacing and closed-loop control with minimal external components.
• Integrated motor and timing features  3-phase 16-bit PWM and multiple timer engines simplify motor-drive and timing-intensive designs, reducing BOM and design complexity.
• Flexible power integration  Wide VDD range (1.8–5.5 V) allows straightforward integration into diverse power domains and battery-powered systems.
• Robust system features  On-chip DMA, watchdog timer, CRC and comparator functions improve reliability and enable efficient data handling and fault recovery.
• Family scalability  Part of the A31G31x series, offering consistent architecture and pin/package options for scalable designs across several Flash-size variants.

Why Choose A31G316RLN?

The A31G316RLN provides a practical combination of Cortex-M0+ performance, extensive analog and PWM resources, and flexible connectivity—making it well suited for appliance main controllers and consumer electronic systems that demand integrated mixed-signal capabilities. Its broad supply voltage range and industrial temperature rating support robust operation across varied environments.

Designed to reduce external component count while offering the peripheral set needed for motor control, sensor interfacing and user interface functions, the A31G316RLN is appropriate for teams seeking a scalable MCU platform within the A31G31x family for reliable product development and deployment.

Request a quote or contact sales to discuss pricing, lead times and how the A31G316RLN can fit into your next design.