A34M456RK2N

The A34M456RK2N is a 32-bit microcontroller based on an ARM Cortex-M4 core with single-precision FPU, delivering a balance of computational performance and energy efficiency for embedded appliance designs. With up to 256 Kbytes of Flash and 32 Kbytes of RAM, it targets electrical appliance applications that require motor control, sensor processing, and responsive system control.

Designed for flexible interfacing and robust analog integration, the device supports a wide supply range and extended temperature operation to meet demanding embedded environments.

Key Features

• Core ARM Cortex-M4F 32‑bit core running at up to 140 MHz for DSP-capable control and floating-point computation.
• Memory 256 Kbytes of Flash program memory and 32 Kbytes of RAM to accommodate application code and runtime data.
• Power Supply Wide operating voltage range of 2.7–5.5 V for compatibility with common embedded power rails.
• Timers & PWM Integrated 16‑bit and 32‑bit timers plus a 3‑phase 16‑bit PWM block suitable for motor and power control tasks.
• Analog 12‑bit ADC and 10‑bit DAC with comparator support for sensor acquisition, feedback loops, and analog signal generation.
• Data Movement 8‑channel DMA to offload CPU for high-throughput data transfers and low-latency peripheral servicing.
• Interfaces Multiple serial interfaces including 4 × UART channels, 1 × I2C channel and 1 × SPI channel for peripheral and UI connectivity.
• Clocking External and internal oscillator support with an internal high-speed oscillator at 8 MHz for flexible clock sourcing.
• System Reliability Watchdog timer, CRC and comparator peripherals to support robust system monitoring and fault detection.
• I/O & Package 53 general-purpose I/O pins in a 64‑lead LQFP surface-mount package (10 × 10 × 0.5T–1.6 mm) for compact board integration.
• Temperature Range Rated for operation from −40 to 105 °C to support extended temperature embedded deployments.

Typical Applications

• Home and Electrical Appliances — Control of motors, valves and user interfaces in appliances using the 3‑phase PWM and multiple UART/I²C interfaces.
• Motor Control — 3‑phase 16‑bit PWM and high-resolution ADC feedback enable precision control of brushless and AC motors.
• Sensor Hubs and Instrumentation — 12‑bit ADC, comparator and DMA facilitate efficient sensor data acquisition and preprocessing.
• Human-Machine Interfaces — Multiple UARTs and serial buses support displays, keypads and communication with external modules.

Unique Advantages

• Performance with Floating-Point: The Cortex‑M4F core at up to 140 MHz provides hardware FPU acceleration for control algorithms and signal processing without external coprocessors.
• Integrated Motor Control Peripherals: Built-in 3‑phase PWM and timers reduce external component count for motor-drive designs.
• Flexible Analog Integration: On-chip 12‑bit ADC and 10‑bit DAC combined with comparators simplify sensor interfacing and closed-loop control.
• Efficient Data Handling: 8‑channel DMA offloads repetitive transfers, improving CPU availability and overall system responsiveness.
• Broad Operating Conditions: Wide supply voltage (2.7–5.5 V) and −40 to 105 °C temperature rating support varied embedded environments.
• Compact, Board-Ready Package: 64‑LQFP surface-mount package with 53 I/O pins balances integration density and routing flexibility.

Why Choose A34M456RK2N?

The A34M456RK2N positions itself as a capable, integrated microcontroller for electrical appliance and embedded control applications where DSP-capable processing, analog integration, and robust peripherals matter. Its Cortex‑M4F core combined with dedicated PWM, ADC/DAC, DMA and multiple serial interfaces provides a compact platform for control, sensing and human-machine interaction tasks.

Engineers and designers looking for a scalable solution with a broad supply range and extended temperature capability will find the A34M456RK2N suitable for deployment in diverse embedded systems, reducing external BOM and simplifying system-level design.

Request a quote or contact sales to discuss pricing, availability and sample requests for the A34M456RK2N.