A34G43ARL2N

The A34G43ARL2N is a 32-bit ARM Cortex-M4 microcontroller with FPU running at 200 MHz. It combines high clock density and on-chip memory with peripherals tailored for motor-control and embedded applications.

On-chip integration includes up to 2,048 KB dual-bank code flash, 32 KB data flash, 256 KB SRAM, motor-control peripherals such as 3-phase PWM and 12-bit ADC, and communication interfaces including CAN FD and QSPI. Built-in power and system features support robust embedded designs across a wide operating range.

Key Features

• Core and Performance ARM Cortex-M4 core with FPU running up to 200 MHz, delivering deterministic signal-processing performance for control and real-time tasks.
• Memory Up to 2,048 KB dual-bank code flash with read-while-write and bank-swap support, plus 32 KB data flash and 256 KB SRAM for code, data, and OTA-capable firmware strategies.
• Power and Clock Integrated LDO, POR, LVI and multiple low-power modes with internal and external oscillator support and a PLL capable of up to 200 MHz operation. Supply voltage range: 2.7–5.5 V.
• Timers and PWM Multiple timer resources including 16-bit and 32-bit timers and 16-bit PWM generators. Dedicated motor PWM (MPWM) supports 3-phase outputs for U, V, W phases with ADC trigger capability.
• Analog and Data Conversion 12-bit ADC and 12-bit DAC blocks with multiple input channels and configurable conversion modes to support sensor acquisition and closed-loop control.
• Connectivity On-chip serial interfaces including CAN FD and QSPI plus SPI, I²C and UART ports to support communication, external memory, and peripheral expansion.
• System Reliability and Security Watchdog timer, CRC calculation unit, ECC on memories, and reset/power management features to support robust, resilient embedded operation.
• Package and Temperature 64-LQFP package (10×10 mm, 0.5 mm pitch) and an operating temperature range of −40 to 105 °C for broad environmental compatibility.

Typical Applications

• Motor Control 3-phase PWM, 12-bit ADC and dedicated MPWM features enable precise control for BLDC, PMSM and other three-phase motor drives.
• Industrial Motion and Automation Deterministic 200 MHz Cortex-M4 processing, real-time timers and robust connectivity (including CAN FD) support drive controllers and motion systems.
• Power Electronics and Inverters Integrated ADC/DAC, PWM and power-management features simplify control loops and system supervision in power conversion applications.
• Embedded Networking and Gateway CAN FD and serial interfaces provide vehicle-style or industrial fieldbus connectivity for distributed control and monitoring nodes.

Unique Advantages

• Dual-bank code flash for OTA-ready designs: Dual-bank flash with bank-swap and read-while-write support enables safe firmware updates and field-upgrade strategies.
• Real-time control performance: 200 MHz Cortex-M4 with FPU and cache-buffer support provides the compute headroom required for control algorithms and DSP-style tasks.
• Integrated motor-control peripherals: Dedicated 3-phase MPWM and high-resolution PWM/ADC triggers reduce external circuit complexity for motor-drive designs.
• Broad on-chip connectivity: CAN FD and QSPI plus standard serial buses simplify system integration and communication without additional interface ICs.
• Comprehensive system protection: On-chip POR, LVI, watchdog and CRC units help maintain reliability and assist in system-level fault handling.

Why Choose A34G43ARL2N?

The A34G43ARL2N positions itself as a highly integrated microcontroller for designs that require real-time control, substantial on-chip memory and flexible connectivity. Its 200 MHz Cortex-M4 core, dual-bank flash architecture and motor-focused peripherals make it suitable for engineers developing motor drives, industrial automation equipment and embedded systems that need firmware update capabilities and strong system-level features.

With integrated power management, robust reset and supervisory functions, and a 64-LQFP package option across a wide operating temperature range, A34G43ARL2N provides a platform that balances performance, integration and design simplicity for long-term product development.

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