A33G526VL
| Part Description |
Abov A33G526VL 32-bit ARM Cortex-M3 Microcontroller, 256 Kbytes Flash, 24 Kbytes RAM, 100-LQFP |
|---|---|
| Quantity | 803 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-M3 | Core Size | 32-Bit | ||
|---|---|---|---|---|---|---|---|
| Data Converters | A/D 16x12b | Device Package | 100-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 | 90 | Operating Temperature | -40°C - 85°C | ||
| Oscillator Type | Internal/External | Package / Case | 100-LQFP | Program Memory Size | 256 Kbytes | ||
| Program Memory Type | FLASH | RAM Size | 24 Kbytes | REACH Compliance | Unknown | ||
| RoHS Compliance | Unknown | Speed | 75 MHz | Voltage | 3V - 5.5V |
Overview of A33G526VL – 32-bit ARM Cortex-M3 Microcontroller, 256 Kbytes Flash
The A33G526VL from Abov is a high-performance 32-bit microcontroller based on the ARM Cortex-M3 core, optimized for use as the main controller in household appliances. It combines a 75 MHz core with substantial on-chip memory and a broad set of peripherals to support advanced feature sets in consumer and home appliance applications.
Designed for compact surface-mount implementations, the device operates from 3 to 5.5 V, supports industrial temperature ranges, and is available in a 100-LQFP package to simplify system integration.
Key Features
- Core 32-bit ARM Cortex-M3 CPU running at 75 MHz for deterministic control and application processing.
- Memory 256 Kbytes of on-chip Flash program memory and 24 Kbytes of SRAM to support advanced firmware and feature sets.
- Connectivity On-chip serial interfaces including I2C, SPI and UART to connect sensors, displays and peripheral modules.
- Analog 12-bit A/D converter with 16 channels and 70 ksps sampling to support multi-sensor analog acquisition and monitoring.
- Timers & PWM Multiple timers (ten 16-bit timers and one 32-bit timer) plus 16-bit PWM across 8 channels for precise timing, control and power management tasks.
- I/O and LED Drive Up to 90 general-purpose I/O pins and a 16-channel LED driver / high-current port for direct drive of indicators and loads.
- System Reliability Integrated Watch Dog Timer (WDT) to enhance system robustness and recoverability.
- Power and Clock Flexible supply range of 3 to 5.5 V with internal and external oscillator support for a variety of power and clocking schemes.
- Package & Temperature Surface-mount 100-LQFP package and operating temperature range of -40 to 85 °C for deployment in typical appliance environments.
Typical Applications
- Home Appliances Serves as the main controller in household appliances, providing on-chip memory, interfaces and peripherals to implement advanced control and user features.
- Embedded Appliance Control Integrates sensor acquisition, timing and motor/actuator drive logic using the ADC, timers and PWM channels.
- Human-Machine Interfaces Drives indicators and interfaces to displays and input subsystems using abundant I/O and the 16-channel LED/high-current ports.
Unique Advantages
- Highly integrated feature set: Large Flash and SRAM combined with ADC, PWM, timers and multiple serial interfaces reduce external component count and simplify designs.
- Performance for embedded control: 32-bit Cortex-M3 core at 75 MHz delivers the processing headroom required for appliance control tasks and feature-rich firmware.
- Extensive I/O and drive capability: Ninety I/O pins plus a 16-channel LED/high-current port enable direct connection of sensors, indicators and actuators.
- Flexible power and clocking: 3–5.5 V supply range and support for internal and external oscillators allow deployment across a variety of appliance power architectures.
- Robust operating range: -40 to 85 °C operating temperature range and surface-mount 100-LQFP package support reliable operation in consumer appliance environments.
Why Choose A33G526VL?
The A33G526VL positions itself as a practical, integrated microcontroller for household appliance developers who need balanced processing performance, ample on-chip memory and a wide set of peripherals. Its combination of a Cortex-M3 core, multi-channel ADC, PWM, abundant timers and extensive I/O makes it suitable for centralized control and feature-rich firmware implementations.
Backed by the A33G52x series documentation from Abov Semiconductor, the A33G526VL is appropriate for designers seeking a single-chip solution that streamlines BOM, supports sensor and interface integration, and meets common operating voltage and temperature requirements for consumer appliance products.
If you would like pricing, lead-time or to request a formal quote for A33G526VL, please submit a request to sales or your procurement channel to obtain a quote and additional ordering information.

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