A33G524ML
| Part Description |
A33G524 32-bit Cortex-M3 Microcontroller for Home Appliances |
|---|---|
| Quantity | 1,252 Available (as of October 16, 2026) |
| Product Category | Microcontrollers |
|---|---|
| Manufacturer | ABOV Semiconductor |
| Manufacturing Status | Upon Request |
| Manufacturer Standard Lead Time | Contact Us |
| Datasheet |
Specifications & Environmental
| Connectivity | I2C, SPI, UART/USART | Core Processor | ARM Cortex-M3 | Core Size | 32-Bit | ||
|---|---|---|---|---|---|---|---|
| Data Converters | A/D 10x12b | Device Package | 80-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 | 71 | Operating Temperature | -40°C - 85°C | ||
| Oscillator Type | Internal/External | Package / Case | 80-LQFP | Program Memory Size | 128 Kbytes | ||
| Program Memory Type | FLASH | RAM Size | 24 Kbytes | REACH Compliance | Unknown | ||
| RoHS Compliance | Unknown | Speed | 75 MHz | Voltage | 3V - 5.5V |
Overview of A33G524ML – A33G524 32-bit Cortex-M3 Microcontroller for Home Appliances
The A33G524ML is a 32-bit microcontroller from Abov's A33G52x series engineered as a main controller for household appliances. It integrates a high-speed ARM Cortex-M3 core with extensive on-chip peripherals and memory to support feature-rich consumer-electronics designs.
Designed for appliance control, user interfaces and sensor management, the device combines a 75 MHz Cortex-M3 core, on-chip Flash and SRAM, and a broad range of analog and timing peripherals to simplify system integration and reduce external component count.
Key Features
- Core ARM Cortex-M3 32-bit core operating at 75,000,000 Hz (75 MHz) for deterministic control and application processing.
- Memory 128 Kbytes of on-chip Flash program memory and 24 Kbytes of SRAM to host application code and runtime data.
- Interfaces Integrated serial interfaces including I2C, SPI and UART for peripheral and subsystem communications.
- Analog 12-bit A/D converter with 10 channels for multi-sensor input and analog signal acquisition.
- Timers & PWM Comprehensive timing resources including eight 16-bit PWM channels, ten 16-bit timers and one 32-bit timer for motor control, timing and scheduling tasks.
- LED & High-Current I/O Integrated LED driver / high-current port supporting up to 16 outputs for direct drive of panel indicators and lighting elements.
- System Reliability On-chip Watch Dog Timer to support fault recovery and system robustness.
- Power & Clocking Flexible supply range of 3.0–5.5 V and support for both external and internal oscillators to fit a variety of power and clocking schemes.
- IO & Package 71 available I/O pins in an 80-LQFP surface-mount package, and operating temperature range of −40 to 85 °C for typical appliance environmental conditions.
Typical Applications
- Home Appliances Central control for washing machines, ovens, refrigerators and other appliances requiring multi-sensor inputs, user interfaces and actuator control.
- Motor & Power Control PWM and timer resources enable motor drive timing, speed control and power staging in appliance subsystems.
- User Interface & Lighting Built-in LED driver and multiple I/Os simplify panel and indicator design for consumer products.
- Sensor Integration Multi-channel 12-bit ADC supports temperature, current and other analog sensor monitoring across appliance subsystems.
Unique Advantages
- Highly integrated peripheral set: Combines ADC, PWM, multiple timers, LED driver and serial interfaces to reduce external components and simplify BOM.
- Ample I/O and package density: 71 I/Os in an 80-LQFP package accommodate complex appliance designs with extensive sensor and actuator connections.
- Flexible power and clocking: 3.0–5.5 V supply and support for external and internal oscillators enable adaptable system architectures and compatibility with common appliance power rails.
- Design-ready memory configuration: 128 Kbytes Flash and 24 Kbytes SRAM provide on-chip storage for application code, data and runtime buffers.
- Industrial temperature range: −40 to 85 °C operating range supports deployment across typical appliance environmental conditions.
- Series-level documentation: Part of the A33G52x family with comprehensive datasheet documentation from Abov Semiconductor for development and validation.
Why Choose A33G524ML?
The A33G524ML positions itself as a practical, integration-focused microcontroller for household appliance main control. Its Cortex-M3 core at 75 MHz, combined with on-chip Flash, SRAM and a broad set of analog, timing and interface peripherals, delivers the processing and I/O resources needed for appliance control, user interfaces and sensor management.
Targeted at embedded system designers and procurement teams building consumer appliances, the A33G524ML offers a balanced mix of memory, peripherals and I/O in a standard 80-LQFP package, backed by A33G52x series documentation to support design and qualification activities.
Request a quote or contact sales to discuss pricing, lead times and how the A33G524ML can be integrated into your appliance designs.

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