A34L716RLN

The A34L716RLN is a low-power 32‑bit microcontroller based on the ARM Cortex‑M4F core with FPU, operating up to 32 MHz. It is designed for battery‑operated and low‑power applications and integrates a broad set of peripherals for mixed‑signal designs and user interface control.

With 256 KB code flash (with ECC), 32 KB data flash (with ECC) and 24 KB SRAM, the device delivers a balanced combination of compute, memory and peripheral integration for compact embedded systems operating from 1.8 V to 3.6 V across a –40 °C to +85 °C temperature range.

Key Features

• Core ARM Cortex‑M4F 32‑bit CPU with floating point unit and maximum operating frequency of 32 MHz.
• Memory 256 KB code flash memory with ECC, 32 KB data flash memory with ECC and 24 KB SRAM for code and data storage.
• Power and Clock Management Low‑power modes (SLEEP, DEEP‑SLEEP), power‑on/power‑down reset and flexible clock options including internal oscillators and external HSE/LSE; PLL frequency generator up to 48 MHz.
• Analog Dual 12‑bit ADC blocks with 17 analog input channels and multiple conversion modes, plus two 12‑bit DAC channels and two integrated operational amplifiers.
• Connectivity Multiple serial interfaces: USART ×2, UART ×1, LPUART ×2, SPI ×2, I2C ×2 and USB 2.0 Full‑Speed (crystal‑less with clock recovery, up to five endpoints in addition to Endpoint‑0).
• Timers, RTC and WDT 16‑bit timers with PWM/capture/output channels, 32‑bit free‑run timer, real‑time clock/calendar and 32‑bit watchdog timer with multiple prescalers.
• DMA, CRC and Interrupts 7‑channel DMA controller (8/16/32‑bit transfers) and CRC calculation unit (CRC32, CRC16, CRC8 variants); NVIC with 86 interrupt sources.
• GPIO and I/O Up to 53 general‑purpose I/O lines with multi‑function pin mapping and external interrupt capability.
• Display Support Integrated LCD driver supporting up to 4×44 or 8×40 segments with 8‑step contrast control and resistor/Cap bias options.
• Package and Environment 64‑LQFP (10×10, 0.5 mm pitch) surface‑mount package; operating voltage 1.8–3.6 V and temperature range −40 °C to +85 °C.
• Development Support Standard debug interfaces: Serial Wire Debug (SWD) and JTAG.

Typical Applications

• Battery‑Powered Devices Low‑power modes and wide supply range (1.8–3.6 V) make the A34L716RLN suitable for portable, battery‑operated systems.
• Sensor Hubs and Data Acquisition Dual 12‑bit ADC blocks, OPAMPs and DMA support efficient analog front‑end and data transfer for sensor interfacing and measurement tasks.
• Human Interface and Display Control Integrated LCD driver, multiple serial interfaces and GPIOs enable user interface control, keypad/display management and remote connectivity.
• Motor and Power Control Multiple timers with PWM modes and capture features support motor drive control and power‑management functions.

Unique Advantages

• Highly integrated mixed‑signal peripherals: ADCs, DACs, OPAMPs and LCD driver reduce external component count and simplify board design.
• Deterministic compute with FPU: Cortex‑M4F core plus floating point unit supports efficient signal processing and control algorithms at up to 32 MHz.
• Memory reliability: Code and data flash include ECC for improved data integrity in embedded applications.
• Flexible connectivity: Multiple UART/USART/LPUART, SPI, I2C and USB Full‑Speed provide options for local peripherals and host/OTG connections.
• Low‑power operation: Dedicated low‑power modes and wide supply range support energy‑conscious designs and battery operation.
• Hardware acceleration and transfer efficiency: DMA controller and CRC unit offload routine tasks and speed peripheral data movement and checksums.

Why Choose A34L716RLN?

The A34L716RLN delivers a balanced combination of compute (Cortex‑M4F with FPU), memory (256 KB code flash with ECC, 32 KB data flash, 24 KB SRAM) and comprehensive peripherals tailored for low‑power, mixed‑signal embedded systems. Its integrated analog, display and communications blocks reduce BOM and simplify integration for compact designs operating across a wide voltage and temperature range.

Designed for engineers building portable, instrument and control applications, the device offers development support via SWD/JTAG and hardware features that streamline signal processing, connectivity and power management for reliable, production‑ready solutions.

If you would like pricing, lead time or to request a formal quote for A34L716RLN, please submit a quote request or contact sales for further assistance.