A33G526RL

The A33G526RL is a member of the A33G52x series designed as the main controller for a variety of household appliances. It combines a high-speed 32-bit ARM Cortex‑M3 core with extensive on‑chip peripherals and memory to support more complex consumer-electronics features.

With a 75 MHz core, 256 Kbytes of Flash and 24 Kbytes of SRAM, the device delivers the processing headroom and I/O density needed for motor control, sensor interfacing, user interfaces and LED/high‑current port management across 3–5.5 V systems and an operating range of −40 to 85 °C.

Key Features

• Core & Architecture 32‑bit ARM Cortex‑M3 core running at 75 MHz for deterministic embedded control and signal processing.
• Memory 256 Kbytes of Flash program memory and 24 Kbytes of SRAM to support feature‑rich firmware and data buffering.
• Analog & Data Conversion 12‑bit A/D converter with 10 channels for multi‑sensor acquisition and analog signal monitoring.
• Timers & PWM Multiple timing resources including eight 16‑bit PWM channels, ten 16‑bit timers and one 32‑bit timer for motor and power control tasks.
• LED & High‑current Port Dedicated LED driver / high‑current port with 14 channels for efficient front‑panel and status lighting control.
• Connectivity On‑chip communications including I2C, SPI, and UART to interface with sensors, displays and external peripherals.
• Clocking & Oscillators Support for external and internal oscillators with an internal high‑speed oscillator (HSI) at 16 MHz.
• System Reliability Built‑in watchdog timer to support robust system supervision and fault recovery.
• I/O Density 60 general‑purpose I/O pins to accommodate complex control and sensor arrays.
• Power & Environmental Wide supply range (3–5.5 V) and industrial operating temperature (−40 to 85 °C) suitable for consumer appliance environments.
• Package & Mounting 64‑pin LQFP (12 × 12 mm, 0.6 mm pitch) in a surface‑mount form factor for compact designs.

Typical Applications

• Home Appliances — Central controller for washing machines, dishwashers and other appliances requiring multi‑sensor integration and user interface management.
• Motor and Actuator Control — PWM and timer resources combined with a 75 MHz core support motor drive and precise actuator sequencing.
• Sensor Interfacing — Multi‑channel 12‑bit ADC and common serial interfaces (I2C/SPI/UART) for temperature, pressure and position sensing.
• User Interface & Lighting — LED driver/high‑current ports and abundant I/O for buttons, displays and status indicators.

Unique Advantages

• Highly integrated peripheral set: Extensive on‑chip ADC, timers, PWM, LED driver and serial interfaces reduce external component count and simplify BOM.
• Balanced performance and efficiency: 32‑bit Cortex‑M3 at 75 MHz provides deterministic control and headroom for feature‑rich firmware without excessive system complexity.
• Flexible power and clocking: Wide 3–5.5 V supply range with internal and external oscillator support enables easy adaptation to varied appliance power architectures.
• High I/O count for complex designs: 60 GPIOs and dedicated high‑current ports support extensive sensor arrays, user controls and lighting without external expanders.
• Designed for reliable operation: Industrial temperature range and integrated watchdog timer help maintain robust operation in typical household environments.
• Compact surface‑mount package: 64‑LQFP (12×12 mm) balances PCB space efficiency with pinout flexibility for midsize embedded designs.

Why Choose A33G526RL?

The A33G526RL positions itself as a practical, integrated microcontroller choice for appliance and consumer‑electronics developers who need a capable 32‑bit MCU with abundant peripherals and memory. Its combination of a 75 MHz Cortex‑M3 core, 256 Kbytes Flash, multi‑channel ADC, PWM/timers and 60 I/O pins makes it suitable for control, sensing and user‑interface tasks within the A33G52x family.

Engineers can leverage the device's on‑chip peripherals and flexible clock/power options to simplify designs, reduce external components and deliver reliable performance across the typical operating range for household equipment.

If you would like pricing, availability or to request a quote for the A33G526RL, please submit a quote request or contact sales for additional product and ordering information.