A34G43AYL2N

The A34G43A is a high-performance 32-bit microcontroller built around an Arm® Cortex®-M4F core with FPU running up to 200 MHz. It combines up to 2 MB of dual-bank code flash, 32 KB data flash and 256 KB of SRAM with a wide set of peripherals optimized for motor control and industrial applications.

With integrated 12-bit ADC/DAC, multi-channel and 3-phase PWM, CAN FD, QSPI and an array of serial interfaces, the A34G43A targets designs that require real-time control, extensive connectivity and on-device firmware management across a broad operating voltage and temperature range.

Key Features

• Core & Performance Arm Cortex-M4F core with FPU running up to 200 MHz (258 DMIPS) and cache buffer (flash accelerator) support for responsive application performance.
• Memory Up to 2048 KB dual-bank code flash with bank-swap and Read-While-Write support plus 32 KB data flash and up to 256 KB SRAM with ECC for reliable code and data storage.
• Power & Reset Integrated POR, LVI and low-voltage reset functions, internal LDO regulator and low-power modes including SLEEP and DEEP-SLEEP. Supply voltage range: 2.7–5.5 V.
• Analog & Data Converters Three independent 12-bit ADC blocks with 24 analog inputs and adjustable sample/hold; two independent 12-bit DAC channels with comparator reference.
• Timers & PWM 16-bit timers and ten PWM generators with 16-bit counters plus two MPWM generators for U/V/W three-phase waveforms and multiple ADC trigger sources for motor-control timing.
• Connectivity Comprehensive serial interfaces including CAN FD (2 ports), QSPI (1), SPI (12 ports), UART (13 ports) and I2C (4 ports) for industrial networking and external memory/peripheral interfaces.
• DMA and Acceleration 16-channel DMA controller with 8/16/32-bit transfers and broad peripheral compatibility to offload data movement and accelerate real-time tasks.
• Security & Utility Blocks AES-128 engine, 32-bit RNG, and hardware CRC unit (CRC-32, CRC-16-USB, CRC-16-CCITT, CRC-8-CCITT) with DMA compatibility for data integrity and cryptographic operations.
• System Resources & Reliability ECC-protected memories, multiple oscillators (HSI, LSI, HSE, LSE) with PLL up to 200 MHz, and watchdog/free-run timers for system stability and fault recovery.
• Package & Environmental Supplied in a 120-pin LQFP (16 × 16 mm, 0.5 mm pitch) with up to 105 I/O pins and specified operating temperature range of −40 to 105 °C.

Typical Applications

• Motor Control — Real-time three-phase motor control using MPWM generators, 12-bit ADC for current/voltage sensing and integrated timers for precision commutation and feedback.
• Industrial Automation — Deterministic control and networking with CAN FD, multiple UART/SPI/I2C ports and robust memory for firmware management in industrial controllers and drives.
• Power Conversion & Inverters — High-resolution PWM, ADC triggers and dual-bank flash support OTA updates for power electronics, solar inverters and UPS control systems.
• Robotics and Motion Control — High-performance core, DMA and extensive peripheral set enable responsive motion algorithms, sensor fusion and multi-axis coordination.

Unique Advantages

• Dual-Bank Flash with RWW: Dual-bank code flash supports bank swap and Read-While-Write operation, enabling reliable in-field firmware updates and OTA strategies.
• Motor-Optimized Peripheral Set: Dedicated MPWM generators, multiple ADC trigger sources and high-resolution PWM counters simplify implementation of three-phase motor control loops.
• Broad Connectivity: Multiple CAN FD, SPI, UART and I2C ports plus QSPI provide flexibility for networked systems, external memory and multi-peripheral integration.
• High Integration: On-chip DACs, comparators, LDO, watchdog and advanced timers reduce external BOM and streamline board design for compact control systems.
• Robust Operation Range: Wide supply voltage (2.7–5.5 V) and −40 to 105 °C operating temperature support deployment in demanding industrial environments.
• Hardware Acceleration & Integrity: AES-128, RNG and CRC units along with ECC-protected memory improve security, integrity and performance of critical data paths.

Why Choose A34G43AYL2N?

The A34G43AYL2N combines a high-performance Cortex-M4F core with an extensive set of peripherals and memory architecture tailored for motor control and industrial applications. Its dual-bank flash, advanced PWM and ADC capabilities, and broad serial connectivity make it well suited for designs that need real-time control, reliable firmware management and flexible system interfaces.

This microcontroller is ideal for engineers building motor drives, industrial controllers, power converters and robotic systems that require strong integration, predictable performance and features that support in-field updates and robust operation across a wide voltage and temperature range.

Request a quote or submit a pricing inquiry to learn more about lead times, volume pricing and availability for the A34G43AYL2N. Our team can provide technical documentation and support materials on request.