STMicroelectronics STM32L451RCT6 32-bit ARM Cortex M4 Microcontroller STM32L4 Series 80 MHz 256kB Flash 64-Pin LQFP

STMicroelectronics STM32L451RCT6 is a 32-bit microcontroller based on a high-performance ARM Cortex M4 RISC core operating at up to 80 MHz. It offers an ideal solution for ultra-low-power embedded applications requiring high computational power with a floating point unit and DSP instructions.

The STM32L451RCT6 integrates 256kB Flash program memory and 160kB of RAM, housed in a compact 64-pin LQFP surface mount package measuring 10 x 10 x 1.45 mm. This microcontroller supports up to 83 programmable general-purpose I/O pins, making it highly suitable for versatile interfacing requirements in industrial and consumer electronics.

Designed for embedded and real-time control systems, it includes multiple analog and digital peripherals such as a 16-channel 12-bit Analog to Digital Converter (ADC), a 12-bit Digital to Analog Converter (DAC), two analog comparators, and five timers. These features enable precise sensor interfacing, signal generation, and timing control in applications including motor control, medical instruments, and communication devices.

The device operates over an extended temperature range from -40°C to 85°C and supports a minimum supply voltage of 1.71 V and a maximum of 3.6 V. It dissipates a maximum power of 345 mW, supporting energy efficient designs in portable or battery-operated systems. The dual-bus architecture with two APB buses and a 32-bit multi-AHB bus matrix ensures high data throughput and peripheral communication efficiency.

Operates at 80 MHz maximum clock frequency ensuring rapid processing. 256kB Flash and 160kB RAM enable complex program and data management. Comprehensive I/O support with 83 programmable pins and multiple timers. High precision ADC and DAC facilitate accurate analog signal operations.

Robust operation over wide temperature range suitable for industrial environments. Compact 64-pin LQFP package for space-saving PCB design. Advanced Cortex M4 core with floating point unit and DSP instructions for enhanced computation.

Low power consumption with a maximum power dissipation of 345 mW. Manufactured in China with quality assurance from STMicroelectronics. This microcontroller is well suited for applications in industrial automation, HVAC system controls, medical devices, instrumentation, and communication equipment.

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