STM32L4S5QII6

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, consumer electronics
• Characteristics: Low power consumption, high performance, rich peripheral set
• Package: LQFP64
• Essence: ARM Cortex-M4 core microcontroller
• Packaging/Quantity: Tray, 490 units per tray

Specifications

• Core: ARM Cortex-M4
• Clock Speed: Up to 120 MHz
• Flash Memory: 2 MB
• RAM: 640 KB
• Operating Voltage: 1.71V to 3.6V
• Digital I/O Pins: 51
• Analog Input Pins: 16
• Communication Interfaces: UART, SPI, I2C, USB, CAN, Ethernet
• ADC Resolution: 12-bit
• Timers: 16-bit and 32-bit timers
• DMA Channels: 24
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The STM32L4S5QII6 microcontroller has a total of 64 pins. The pin configuration is as follows:

• Pins 1-8: GPIO pins
• Pins 9-16: Analog input pins
• Pins 17-24: UART communication pins
• Pins 25-32: SPI communication pins
• Pins 33-40: I2C communication pins
• Pins 41-48: USB communication pins
• Pins 49-56: CAN communication pins
• Pins 57-64: Power supply and ground pins

Functional Features

• Low power consumption in active and standby modes
• High-performance ARM Cortex-M4 core
• Rich peripheral set for versatile applications
• Advanced analog features for precise measurements
• Secure boot and secure firmware update mechanisms
• Real-time clock and calendar for timekeeping
• Hardware encryption and decryption support
• Multiple communication interfaces for connectivity

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices - High-performance core enables efficient execution of complex tasks - Rich peripheral set allows for versatile applications - Secure boot and firmware update mechanisms enhance system security - Advanced analog features enable precise measurements

Disadvantages: - Limited number of digital I/O pins may restrict the number of connected devices - Higher cost compared to some other microcontrollers in the market - Steeper learning curve for beginners due to the complexity of the ARM Cortex-M4 architecture

Working Principles

The STM32L4S5QII6 microcontroller is based on the ARM Cortex-M4 core, which provides high performance and low power consumption. It operates at a clock speed of up to 120 MHz and has a rich peripheral set for various applications. The microcontroller executes instructions stored in its flash memory and interacts with external devices through its communication interfaces.

Detailed Application Field Plans

The STM32L4S5QII6 microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: Due to its low power consumption and rich peripheral set, it is suitable for IoT devices that require long battery life and connectivity.
2. Consumer electronics: The microcontroller can be used in smart home devices, wearable gadgets, and other consumer electronics products.
3. Industrial automation: Its high-performance core and multiple communication interfaces make it suitable for industrial control systems and automation applications.
4. Medical devices: The microcontroller's advanced analog features and secure boot mechanism make it suitable for medical devices requiring precise measurements and data security.

Detailed and Complete Alternative Models

1. STM32L4R5ZIT6: Similar to STM32L4S5QII6 but with more flash memory (2.5 MB) and RAM (640 KB).
2. STM32F4DISCOVERY: A development board based on the STM32F407 microcontroller, offering similar features and performance.
3. PIC32MX795F512L: A microcontroller from Microchip with similar capabilities, including an ARM Cortex-M4 core and rich peripheral set.

These alternative models provide similar functionalities and can be considered as alternatives to the STM32L4S5QII6 depending on specific requirements and preferences.

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