A31G226CL2N
| Part Description |
Abov A31G226CL2N 32-bit Cortex-M0+ Microcontroller (48-pin LQFP, 256 Kbytes Flash) |
|---|---|
| Quantity | 1,876 Available (as of October 16, 2026) |
| Product Category | Microcontrollers |
|---|---|
| Manufacturer | ABOV Semiconductor |
| Manufacturing Status | Mass Production |
| Manufacturer Standard Lead Time | Contact Us |
| Datasheet |
Specifications & Environmental
| Connectivity | I2C, SPI, UART/USART | Core Processor | ARM Cortex-M0+ | Core Size | 32-Bit | ||
|---|---|---|---|---|---|---|---|
| Data Converters | A/D 14x12b; D/A 12b | Device Package | 48-LQFP | ECCN | 3A991.a.2 | ||
| EEPROM Size | 32 Kbytes | HTS Code | 8542.31.00.00 | Moisture Sensitivity Level | N/A | ||
| Mounting Method | Surface Mount | Number of I/O | 43 | Operating Temperature | -40°C - 105°C | ||
| Oscillator Type | Internal/External | Package / Case | 48-LQFP (7x7mm) | Program Memory Size | 256 Kbytes | ||
| Program Memory Type | FLASH | Qualification | IEC60730 | RAM Size | 20 Kbytes | ||
| REACH Compliance | Unknown | RoHS Compliance | Unknown | Speed | 48 MHz | ||
| Voltage | 1.8V - 5.5V |
Overview of A31G226CL2N – 32-bit Cortex-M0+ Microcontroller (48-pin LQFP, 256 Kbytes Flash)
The A31G226CL2N is a member of the Abov A31G22x series, engineered as a main controller for a wide range of appliances. It integrates an ARM Cortex-M0+ 32-bit core running up to 48 MHz with on-chip flash and data flash, multiple serial interfaces and rich peripheral sets for sensor and device control.
This device targets appliance and embedded control applications that require a balance of performance, integration and robust operating conditions, with a wide supply range and extended temperature support.
Key Features
- Core — ARM Cortex-M0+ 32-bit core running up to 48 MHz for deterministic control and efficient code density.
- Memory — 256 Kbytes code flash, 32 Kbytes data flash and 20 Kbytes SRAM; supports memory bank swap and read-protection features for security.
- Power & Clock — Operates from 1.8 V to 5.5 V with internal and external oscillator options, multiple run/sleep/deep-sleep modes, and low-voltage detection and reset functions to support power-managed designs.
- Timers & PWM — Multiple timers including seven 16-bit and two 32-bit general-purpose timers plus watchdog and watch timer; 16-bit PWM with 3-phase complementary PWM generators for motor and power conversion control.
- Analog — 12-bit ADC with 14 channels and integrated 12-bit DAC for precise sensor acquisition and analog output control.
- Interfaces — Multiple serial peripherals including I2C, SPI, UART and USART channels, enabling flexible sensor and peripheral interfacing.
- DMA & CRC — 8-channel DMA for efficient data movement and multi-width CRC generator (CRC-7/8/16/32) for data integrity checks.
- Display & GPIO — Integrated LCD driver (48-pin support: 8 × 21 or 3 × 26) and sink-type high current output ports for direct UI and indicator driving. Total I/O count: 43.
- System Reliability — IEC60730 qualification and operating range of −40 °C to +105 °C for appliance-grade environmental tolerance.
- Package & Mounting — 48-pin LQFP (7 × 7 mm, 0.5 mm pitch) surface-mount package suitable for compact board-level designs.
- Development & Debug — SWD debug interface and device-level features documented in the A31G22x datasheet to support development and validation.
Typical Applications
- Home Appliances — Central controller for appliances (e.g., laundry, refrigeration, kitchen equipment) handling user interfaces, sensor management and motor control.
- UI & Display Control — Drives LCD segments and high-current indicators, enabling integrated user interfaces and status displays.
- Sensor Hub & Monitoring — Multi-channel 12-bit ADC and serial interfaces allow precise acquisition from multiple sensors and communication with peripheral modules.
- Motor and Power Control — 16-bit PWM with 3-phase complementary outputs and multiple timers for pump, fan and motor drive control in appliance systems.
Unique Advantages
- Integrated memory and data flash: 256 KB code flash plus 32 KB data flash reduce external memory needs and simplify firmware storage strategies.
- Wide supply and temperature range: 1.8–5.5 V operation and −40 °C to +105 °C rating support a range of appliance power domains and harsh operating environments.
- Rich peripheral mix: Multiple UART/USART, I2C, SPI channels, ADC and DAC enable direct connection to sensors, actuators and user-interface components, reducing BOM and board complexity.
- Hardware acceleration for reliability: DMA and CRC engines offload routine tasks and integrity checks from the CPU to improve system performance and reliability.
- Appliance-focused features: LCD driver options, high-current sink outputs and IEC60730 qualification make the part well-suited for consumer appliance control and safety requirements.
Why Choose A31G226CL2N?
The A31G226CL2N combines a capable Cortex-M0+ processing core with abundant on-chip memory, mixed-signal peripherals and appliance-oriented features to deliver an integrated controller platform. Its voltage flexibility, extended temperature rating and IEC60730 qualification align with embedded appliance requirements for durability and safety.
This device is well-suited for engineers designing appliance control, user interface and sensor-driven systems who need a compact package (48-LQFP), multiple serial interfaces and high integration to reduce BOM and simplify system architecture. Documentation and device-level features in the A31G22x family support development and long-term product deployment.
Request a quote or contact sales for pricing, lead time and technical support to evaluate A31G226CL2N for your next appliance or embedded control design.

Date Founded: 2006
Headquarters: Cheongju-si, Chungcheongbuk-do, Republic of Korea
Employees: 200+
Revenue: $95.4 Million
Certifications and Memberships: ISO9001:2015, ISO14001:2015, UL60730