A33G526VQ

The A33G526VQ is a member of Abov's A33G52x series designed as a main controller for various household appliances. It integrates a high-speed 32‑bit ARM Cortex‑M3 core with substantial on‑chip Flash and Data Flash memory alongside a comprehensive set of peripherals.

With a 75 MHz core, 256 Kbytes of program Flash, 24 Kbytes of SRAM and up to 90 I/O lines in a 100‑MQFP package, the device targets embedded appliance designs that require integrated analog, timing, driver and connectivity resources in a single MCU.

Key Features

• Core ARM Cortex‑M3 32‑bit processor running at 75,000,000 Hz (75 MHz) for responsive control and signal processing.
• Memory 256 Kbytes program Flash with on‑chip Data Flash and 24 Kbytes SRAM; the A33G52x family provides Flash options (128/256/384 KB) and a 32 KB DataFlashROM reference in documentation.
• Connectivity Integrated serial interfaces including I2C, SPI and UART to support peripheral and subsystem communication.
• Analog & Data Conversion 12‑bit ADC with 16 channels for multi‑sensor analog inputs and precise measurement tasks.
• Timers, PWM & Control Multiple timers (16‑bit and 32‑bit) and 16‑bit PWM for motor control, timing and waveform generation; includes a hardware Watch Dog Timer for system reliability.
• LED Driver / High‑Current Port Integrated LED driver and high‑current I/O capability to simplify user‑interface and indicator designs.
• Oscillators Support for external and internal oscillators including an internal 16 MHz HSI and external crystal support for flexible clocking strategies.
• I/O & Package Up to 90 general‑purpose I/O pins in a 100‑MQFP package (14 × 20 × 0.6 mm) suitable for dense system integration.
• Power & Temperature Operating voltage range 3.0–5.5 V and operating temperature −40 to 85 °C for a wide range of appliance environments.

Typical Applications

• Home Appliances Acts as a main controller for products such as refrigerators, washing machines and air conditioners where integrated timers, PWM and ADC channels are required.
• Motor and Drive Control PWM and multi‑width timers provide the control primitives for motor drive and actuator management in consumer appliances.
• Sensor Hub and Monitoring 12‑bit ADC with 16 channels and multiple serial interfaces (I2C/SPI/UART) enable sensor aggregation, environmental monitoring and signal conditioning.
• User Interface and Indicator Control LED driver and abundant I/O lines for displays, keypads and status indicators in appliance front‑panels.

Unique Advantages

• Highly integrated control platform: Combines a 32‑bit Cortex‑M3 core with on‑chip Flash, Data Flash and SRAM to minimize external memory and simplify BOM.
• Comprehensive peripheral set: ADC, timers, PWM, LED driver and watchdog timer provide the building blocks for complete appliance control functions without extensive external components.
• Flexible connectivity: I2C, SPI and UART interfaces support multiple subsystem and sensor communications.
• Robust operating range: 3.0–5.5 V supply range and −40 to 85 °C operating temperature support diverse appliance power architectures and environmental conditions.
• High I/O density in a compact package: Up to 90 I/O pins in a 100‑MQFP (14 × 20 mm) package for space‑efficient system designs.
• Documented family scalability: A33G52x family offers multiple Flash size options and common peripherals, enabling platform reuse across product variants.

Why Choose A33G526VQ?

The A33G526VQ positions itself as a performance‑oriented, integrated microcontroller for household appliance main control. Its 32‑bit Cortex‑M3 core at 75 MHz combined with 256 KB Flash, Data Flash and 24 KB SRAM, plus a wide set of analog, timing and connectivity peripherals, enables compact, single‑chip appliance control designs.

Designers seeking a scalable MCU platform with extensive I/O, on‑chip ADC channels and hardware for motor, sensor and user‑interface tasks will find the A33G526VQ well suited to reduce system complexity and support a range of appliance variants within the A33G52x series.

Request a quote or submit a pricing and availability inquiry to receive detailed lead‑time and purchasing information for the A33G526VQ.