A34M418RL

The A34M418RL is a high-performance 32-bit microcontroller based on an ARM Cortex‑M4F core running up to 120 MHz. It is optimized for motor-control and other compute‑intensive embedded applications, integrating multiple PWM generators, high-speed ADCs and extensive timer/DMA resources.

Designed for dual‑inverter motor control and power factor correction, the device combines processing performance, on‑chip analog and motor peripherals, and flexible serial connectivity to simplify system design and reduce board-level integration effort.

Key Features

• Core & Performance Arm® Cortex‑M4F 32‑bit core with floating‑point unit running up to 120 MHz and delivering up to 150 DMIPS with FPU.
• Memory & Storage 512 Kbytes of code Flash, 32 Kbytes data flash and 64 Kbytes of SRAM for application and data storage.
• Power & Clock Operates from 2.7 V to 5.5 V and includes internal and external oscillator support with PLL frequency generation up to 120 MHz. Low‑power modes include SLEEP and DEEP‑SLEEP.
• Timers & Motor Control Two MPWM generators providing six-phase outputs (U, V, W) with 16‑bit up/down counters, multiple ADC trigger sources, plus multiple 16‑ and 32‑bit timers, WDT and free‑run timers for precise control tasks.
• Analog & Data Acquisition Three independent 12‑bit ADCs with multi‑conversion modes and sample time control, plus three programmable gain amplifiers (PGA) and multiple comparators for accurate sensor interfacing.
• Connectivity & Serial Interfaces On‑chip communication includes UART, SPI and I2C to connect sensors, peripherals and host interfaces.
• Security & System Hardware AES‑128 crypto engine and CRC calculation unit (supports CRC‑32/CRC‑16/CRC‑8/CRC‑7) accelerate security and integrity operations and are DMA‑compatible.
• DMA & Peripheral Support 16‑channel DMA controller with 8/16/32‑bit transfer support and broad peripheral compatibility to offload the CPU and improve real‑time responsiveness.
• Development & Debug Standard development interfaces including Serial Wire Debug (SWD) and JTAG for software debug and development workflows.
• Package & Temperature Supplied in a 64‑LQFP (10 × 10 mm, 0.5 mm pitch) surface‑mount package and specified for an operating temperature range of ‑40 °C to +85 °C.

Typical Applications

• Motor Control — High‑performance control of three‑phase motors using integrated dual MPWM generators, ADC trigger sources and PGAs for closed‑loop control.
• Dual‑Inverter Systems — Supports dual‑inverter motor topologies and multi‑motor drives with dedicated PWM resources and timer capture features.
• Power Factor Correction (PFC) — On‑chip analog, PWM and timer resources enable PFC control loops and precision sampling for power conversion designs.
• Sensor Acquisition & Control — Multiple 12‑bit ADCs, PGAs and comparators provide accurate multi‑channel data acquisition for industrial sensors and feedback systems.

Unique Advantages

• Integrated motor‑control peripherals: Two MPWM generators, multiple timers and ADC trigger sources reduce external components and simplify board design for motor applications.
• High compute density with FPU: Cortex‑M4F core and floating‑point support deliver up to 150 DMIPS at 120 MHz for demanding control algorithms and signal processing.
• Rich analog front end: Three 12‑bit ADCs, three PGAs and multiple comparators enable flexible, high‑resolution sensor interfacing without extensive external circuitry.
• Hardware crypto and integrity engines: AES‑128 and versatile CRC modes accelerate secure communications and data integrity checks while remaining DMA‑compatible.
• Flexible connectivity: UART, SPI and I2C interfaces provide multiple options for communication with peripherals and user interfaces.

Why Choose A34M418RL?

The A34M418RL combines a fast Cortex‑M4F core with a comprehensive set of motor and analog peripherals to deliver a compact, integrated platform for motor drives, power conversion and precision control systems. Its memory mix (512 KB Flash, 32 KB data flash/EEPROM and 64 KB SRAM), 16‑channel DMA and hardware security features make it suitable for embedded designs that require both processing headroom and system-level integration.

This device is aimed at engineers building dual‑inverter motor controllers, PFC stages and multi‑sensor control systems who need on‑chip analog acquisition, deterministic PWM generation and robust peripheral support in a 64‑LQFP package rated from ‑40 °C to +85 °C.

Request a quote or submit a product inquiry to receive pricing, availability and application support for the A34M418RL microcontroller. Our team can provide technical documentation and help evaluate the device for your design requirements.