STM32L451RET6TR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices
• Characteristics: Low power consumption, high performance, rich peripherals
• Package: LQFP64
• Essence: ARM Cortex-M4 core microcontroller
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Core: ARM Cortex-M4
• Clock Speed: Up to 80 MHz
• Flash Memory: 512 KB
• RAM: 160 KB
• Operating Voltage: 1.71V to 3.6V
• Digital I/O Pins: 51
• Analog Inputs: 16
• Communication Interfaces: UART, SPI, I2C, USB, CAN
• Timers: 16-bit and 32-bit timers
• ADC Resolution: 12-bit
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The STM32L451RET6TR microcontroller has a total of 64 pins. The pin configuration is as follows:

• GPIO Pins: 51 pins (PA0 to PA15, PB0 to PB15, PC0 to PC15)
• Analog Input Pins: 16 pins (ADC1IN0 to ADC1IN15)
• Power Supply Pins: VDD, VSS, VBAT, VREF+

For the complete pinout diagram, please refer to the datasheet.

Functional Features

• Low power consumption in active and standby modes
• High-performance ARM Cortex-M4 core
• Rich set of peripherals for various applications
• Flexible power supply options
• Advanced security features for data protection
• Real-time clock and calendar for timekeeping
• Multiple communication interfaces for connectivity

Advantages and Disadvantages

Advantages: - Low power consumption enables longer battery life in portable devices - High-performance core allows for efficient execution of complex tasks - Rich peripherals provide flexibility and versatility in system design - Advanced security features protect sensitive data from unauthorized access

Disadvantages: - Limited flash memory and RAM compared to higher-end microcontrollers - Higher cost compared to entry-level microcontrollers - Steeper learning curve for beginners due to the complexity of the ARM Cortex-M4 architecture

Working Principles

The STM32L451RET6TR microcontroller operates based on the ARM Cortex-M4 architecture. It executes instructions stored in its flash memory, interacts with peripherals through various communication interfaces, and processes data using its CPU and memory resources. The low power consumption is achieved through advanced power management techniques, allowing the microcontroller to operate efficiently in both active and standby modes.

Detailed Application Field Plans

The STM32L451RET6TR microcontroller finds applications in a wide range of fields, including but not limited to: - Internet of Things (IoT) devices - Home automation systems - Industrial automation - Wearable devices - Medical devices - Smart agriculture - Energy management systems

Detailed and Complete Alternative Models

Some alternative models to the STM32L451RET6TR microcontroller are: - STM32L432KC - STM32L476RG - STM32F407VG - STM32F103C8T6 - STM32F030C6T6

These alternative models offer different specifications and pin configurations, catering to diverse application requirements.

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