A33M116CL

The A33M116CL is a 32-bit high-performance microcontroller based on the ARM Cortex‑M3 core, running up to 96 MHz. It combines a rich set of motor-control and analog peripherals with ample on-chip memory, making it suitable for embedded applications that require precise motor control, sensor acquisition and robust operation across a wide temperature and voltage range.

Designed for appliance and motor-driven system designers, the device integrates dual three‑phase PWM generators, dual high‑speed 12‑bit ADCs, multiple communication interfaces and four op‑amps/comparators to simplify system design and reduce external component count.

Key Features

• Core & Performance ARM Cortex‑M3 core with a maximum operating frequency of 96 MHz and Nested Vector Interrupt Controller (NVIC) for deterministic interrupt handling.
• Memory & Storage 256 Kbytes of on‑chip flash program memory, 32 Kbytes data flash and 16 Kbytes SRAM for code, parameter storage and runtime data.
• Motor Control & PWM Two independent three‑phase 16‑bit MPWM generators enable control of dual inverter motors and multi‑motor systems with synchronized outputs.
• High‑speed A/D Dual 12‑bit ADCs supporting up to 1.3 Msps and up to 20 input channels, providing fast and accurate motor feedback and sensor acquisition.
• Analog Front End Four on‑chip operational amplifiers with comparator functions for signal conditioning, threshold detection and closed‑loop control tasks.
• Timers & System Peripherals Eight 16‑bit general purpose timers plus one 32‑bit timer, watchdog timer and free‑run timer for flexible timing, safety and control schemes.
• Communications & Encoders Multiple serial interfaces including UART (3), SPI (2), I2C (2) and two Quadrature Encoder Interfaces (QEI) for motor shaft feedback and system integration.
• Data Integrity & DMA CRC generator (7/8/16/32‑bit) and an 8‑channel DMA controller to accelerate data movement and ensure data integrity in embedded systems.
• Power & Environmental Wide operating supply 2.5–5.5 V (ADC domain 2.7–5.5 V) and rated for operation from −40 °C to +105 °C.
• Package & I/O Surface‑mount 48‑LQFP (7×7 mm, 0.5 mm pitch) with 45 I/O ports for compact board designs.
• Development Support SWD debug interface and flexible clock/power modes (Run, Sleep, Stop) to support development and low‑power operation.

Typical Applications

• Home Appliances — Motor control and user‑interface management for washing machines, refrigerators, dryers and dishwashers where integrated PWM and ADC simplify design.
• Pumps & Fans — Closed‑loop motor control for pumps and fans using dual MPWM and high‑speed ADC feedback for efficient speed and torque regulation.
• Motor‑Driven Appliances — Control of BLDC/three‑phase motors and inverter systems using dual three‑phase PWM generators and quadrature encoder inputs.
• Sensor Acquisition & Control — Multi‑channel 12‑bit ADCs combined with on‑chip op‑amps and comparators for sensor signal conditioning and precision measurements.

Unique Advantages

• Highly integrated motor control: Two three‑phase 16‑bit MPWM generators plus QEI channels and fast ADCs provide a compact solution for multi‑motor and inverter applications.
• Fast, deterministic processing: 96 MHz Cortex‑M3 core and NVIC support responsive control loops and real‑time tasks common in motor and appliance control.
• Comprehensive analog front end: Four op‑amps and comparators allow on‑chip signal conditioning and threshold detection, reducing external components.
• Flexible communications: Multiple UART, SPI and I2C interfaces enable easy integration with sensors, displays and system peripherals.
• Robust operating range: Wide supply voltage and −40 °C to +105 °C temperature rating support deployment in demanding environments.
• Memory and data features: 256 KB program flash, 32 KB data flash, 16 KB SRAM and CRC/DMA support enable sophisticated firmware, secure updates and efficient data handling.

Why Choose A33M116CL?

The A33M116CL combines a 96 MHz ARM Cortex‑M3 core with a focused set of motor control and analog peripherals to deliver a compact, dependable platform for appliance and motor‑drive designs. Its integrated MPWM, high‑speed 12‑bit ADCs, op‑amps and encoder interfaces reduce BOM and board complexity while providing the performance needed for precise control tasks.

With broad operating voltage range, extended temperature rating and a 48‑LQFP footprint with 45 I/Os, the A33M116CL is well suited to developers building robust, space‑constrained embedded systems across the ABOV A33M11x family.

Request a quote or submit an RFQ to receive pricing and availability information for the A33M116CL and begin evaluating it for your next motor control or appliance design.