A33G526ML

The A33G526ML is a member of the A33G52x series designed as the main controller for various household appliances. It employs a high-speed ARM Cortex-M3 32-bit core and provides extensive peripheral support and on-chip memory to enable advanced consumer-electronics features.

With a 75 MHz core, multiple serial interfaces, rich timer and PWM resources, and a broad operating voltage range, the A33G526ML targets compact, feature-rich appliance and consumer designs requiring integrated control, analog sensing and user-interface capabilities.

Key Features

• Core and Performance ARM Cortex-M3 32-bit core running at 75 MHz (75,000,000 Hz) for responsive embedded control and deterministic real-time execution.
• Memory 256 Kbytes Flash program memory with 32 Kbytes Data Flash and 24 Kbytes SRAM to support complex firmware, feature sets and runtime data.
• Power and Clock Wide supply range (3 – 5.5 V) with both internal and external oscillator options for flexible power architectures and clock sourcing.
• Timers and PWM Multiple timer resources including eight 16-bit PWMs, ten 16-bit timers and one 32-bit timer for motor, actuator and timing control tasks.
• Analog 12-bit A/D converter with 10 channels for multi-sensor acquisition and precise analog monitoring.
• Interfaces Comprehensive serial connectivity: I2C (2 channels), SPI (2 channels), UART (4 channels) for system integration.
• GPIO and LED Drive Up to 71 general-purpose I/O pins and a 16-channel LED driver / high-current port for direct user-interface and indicator control.
• Reliability and Safety Integrated Watch Dog Timer and an operating temperature range of −40 to 85 °C for robust operation in consumer appliance environments.
• Package 80-LQFP package offering a compact footprint with broad pin access for peripheral and power connections.

Typical Applications

• Home Appliances Central control for washing machines, ovens, refrigerators and other household appliances where integrated timers, PWMs and ADCs coordinate sensors, actuators and user interfaces.
• Consumer Electronics Embedded control for feature-rich consumer products that require on-chip Flash, SRAM and multiple serial interfaces to manage functionality and communications.
• Motor and Actuator Control PWM channels and multiple timers provide the control resolution needed for fan, blower and small motor control tasks within appliance systems.
• Sensor Acquisition and Monitoring 12-bit, 10-channel ADC enables multi-sensor measurement and condition monitoring for temperature, current and other analog signals.
• User Interface and Indicator Control High-current LED driver and abundant I/O simplify direct drive of status indicators, buttons and display interfaces.

Unique Advantages

• Highly integrated peripheral set: Combines ADCs, PWMs, timers, multiple serial ports and LED drive to reduce external components and simplify BOM.
• Balanced memory footprint: 256 KB Flash with 32 KB Data Flash and 24 KB SRAM supports advanced firmware and feature expansion without external memory.
• Flexible power and clocking: 3–5.5 V supply range with internal and external oscillator options for diverse system designs and power architectures.
• Robust I/O capacity: 71 general-purpose I/O pins and an 80-LQFP package deliver extensive external connectivity for sensors, actuators and user interfaces.
• Designed for appliance environments: Industrial temperature range (−40 to 85 °C) and an integrated watchdog timer contribute to stable long-term operation.

Why Choose A33G526ML?

The A33G526ML positions itself as a performance-oriented, highly integrated microcontroller for household appliances and consumer electronics. Its ARM Cortex-M3 core, sizable on-chip Flash and SRAM, and broad set of peripherals make it suitable for designers seeking a compact controller capable of handling sensor acquisition, motor/actuator control and user-interface tasks without extensive external components.

As part of the A33G52x family, the A33G526ML offers a consistent architecture and documentation baseline that aids scalable product development and streamlined firmware portability across family variants.

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