A33G526MM

The A33G526MM is a member of the A33G52x series designed as a main controller for various household appliances. It integrates an ARM Cortex-M3 32-bit core and a broad set of on-chip peripherals to support complex consumer electronics features.

Key device attributes include 256 Kbytes of program Flash, 32 Kbytes of Data Flash, 24 Kbytes of SRAM, 71 programmable I/O pins, multiple serial interfaces, and operation from 3 to 5.5 V across a −40 to 85 °C temperature range in an 80-LQFP surface-mount package (14 × 14 × 0.6 mm).

Key Features

• Core  ARM Cortex-M3 32-bit processor with a clock rate of 75,000,000 Hz (75 MHz) for responsive control tasks.
• Memory  256 Kbytes program Flash with an additional 32 Kbytes Data Flash and 24 Kbytes SRAM for application and data storage.
• Power  Wide supply range of 3 to 5.5 V, supporting common appliance power domains.
• Timers & PWM  Extensive timing resources including 8 × 16-bit PWM channels, ten 16-bit timers and one 32-bit timer for precise control and sequencing.
• Analog  12-bit ADC with 10 channels at up to 70 ksps for multi-sensor measurement and signal acquisition.
• Interfaces  Multiple serial interfaces including I2C, SPI and UART for host or accessory connectivity.
• LED & High‑Current I/O  Integrated LED driver / high-current ports (16) for direct driving of indicators and front-panel lighting.
• System Reliability  On-chip watchdog timer and a mix of internal and external oscillator options to support robust reset and clocking strategies.
• Package & Temperature  80-LQFP surface-mount package (14×14‑0.6 mm) with operating range from −40 to 85 °C and 71 available I/O pins for flexible board-level integration.

Typical Applications

• Home Appliances  Main control for laundry machines, refrigerators, and other household appliances needing integrated control, sensor inputs and user interface support.
• Consumer Electronics  Control and management functions in consumer devices that require mixed-signal interfacing, serial connectivity and on-board data storage.
• Motor & Power Control  PWM channels and multiple timers enable precise motor control and power sequencing in appliance subsystems.
• User Interfaces & Lighting  LED driver and high-current ports simplify direct driving of indicators and front-panel lighting without external driver ICs.
• Sensor Hubs  12-bit ADC with 10 channels plus I2C/SPI/UART make the device suitable for aggregating multiple sensors and peripherals.

Unique Advantages

• Highly integrated peripheral set: Combines ADC, Data Flash, LED driver, PWM and multiple serial interfaces to reduce BOM and simplify system design.
• Generous on‑chip memory: 256 Kbytes Flash plus 32 Kbytes Data Flash and 24 Kbytes SRAM provide headroom for feature-rich appliance firmware and data storage.
• Flexible clocking and reliability features: Internal and external oscillator support together with a watchdog timer enable robust, deterministic operation.
• Wide supply and operating range: 3–5.5 V supply compatibility and −40 to 85 °C operation suit a variety of appliance environments.
• Rich I/O and packaging: 71 I/O pins in an 80-LQFP package allow extensive sensor, actuator and interface connections on compact PCBs.

Why Choose A33G526MM?

The A33G526MM positions itself as a versatile controller for household appliances and consumer electronics that need a balance of processing capability, memory capacity and integrated peripherals. Its ARM Cortex-M3 core, combined with ample Flash and Data Flash, supports feature-rich firmware while on-chip ADCs, PWM channels, LED drivers and serial interfaces reduce external component requirements.

This combination of integration, flexible power and operating ranges, and a high pin count makes the A33G526MM suitable for designers building appliance control systems, user interfaces, sensor hubs and motor control subsystems who require a single-chip solution that simplifies hardware design and software integration.

Request a quote or submit a pricing and availability inquiry for the A33G526MM to receive lead-time and ordering information or to discuss technical requirements with our team.