A31G313RLN

The A31G313 is a 32-bit microcontroller from the A31G31x series designed as a main controller for a wide range of appliances. It integrates an ARM Cortex-M0+ core with on-chip Flash, SRAM, and a comprehensive set of peripherals and serial interfaces to support motor control, sensor interfacing, and user-interface functions.

With a 48 MHz core clock, flexible supply range and integrated analog, timing and display drivers, the A31G313 targets designs that require compact system integration and broad I/O/peripheral capability in a 64-LQFP surface-mount package.

Key Features

• Core  ARM Cortex-M0+ 32-bit core running at 48 MHz (48,000,000 Hz) for embedded control and real-time tasks.
• Memory  64 Kbytes Flash program memory with 16 Kbytes SRAM for application code and runtime data.
• Power  Wide supply range from 1.8 V to 5.5 V for flexible power-domain designs.
• Analog & Conversion  12-bit ADC and 12-bit DAC for precision sensor acquisition and analog output control.
• Motor & PWM  3-phase 16-bit PWM unit suitable for motor-drive and power conversion control.
• Timers & DMA  Multiple timers including 16-bit and 32-bit timers plus 4-channel DMA for deterministic timing and efficient data movement.
• Display & UI  Integrated LCD driver (29×8) and Touch Key support (20 channels) together with LED/high-current port support (11×25) for rich user interface designs.
• Connectivity  On-chip serial interfaces including I2C, SPI, UART and USART to connect sensors and peripherals.
• System & Reliability  On-chip CRC, comparator, PLL and Watch Dog Timer to support system integrity and stability.
• Package & Environment  58 general-purpose I/Os in a 64-LQFP surface-mount package, rated for operation from −40 °C to 85 °C.
• Clock Options  Supports both internal and external oscillators for flexible clocking schemes.

Typical Applications

• Home Appliances  Main controller for appliances where integrated display, touch keys and multi-channel I/O simplify system design.
• Motor Control  Three-phase 16-bit PWM and timers enable motor-drive control and inverter applications within appliance systems.
• Human-Machine Interfaces  LCD driver, touch key channels and LED/high-current ports make it suitable for user-interface controllers.
• Sensor Hubs & Data Acquisition  12-bit ADC/DAC and multiple serial interfaces (I2C, UART/USART) support sensor interfacing and analog signal handling.

Unique Advantages

• Highly integrated peripheral set: Combines PWM, ADC/DAC, LCD and touch-key drivers with CRC and watchdog to reduce external components and simplify designs.
• Flexible power and temperature range: 1.8–5.5 V supply range and −40 °C to 85 °C operating temperature accommodate a variety of appliance environments.
• Rich I/O and package density: 58 I/Os in a 64-LQFP SMD package provide extensive connectivity while keeping PCB footprint compact.
• Deterministic control with DMA and timers: 4-channel DMA plus 16-bit and 32-bit timers enable efficient, low-overhead control loops and data transfers.
• Part of the A31G31x family: Series offers multiple Flash options (64, 128, 256 KB) for scalable firmware and product variants within the same MCU family.

Why Choose A31G313RLN?

The A31G313RLN positions itself as a practical, integrated controller for appliance and embedded designs that require a balance of compute performance, analog capability and user-interface peripherals. Its ARM Cortex-M0+ core, combined with 64 Kbytes Flash and 16 Kbytes SRAM, supports compact firmware while the broad peripheral set reduces external component count.

Engineers targeting motor control, sensor interfacing or rich user interfaces will find the A31G313RLN well suited for designs that need flexible power input, robust operating temperature and a high density of I/O in a 64-LQFP footprint. Being part of the A31G31x family also enables straightforward scalability across devices with different Flash capacities.

If you would like pricing, availability or a formal quote for A31G313RLN, please submit an inquiry or request a quote and our team will respond with details to support your design and procurement needs.