STM32L041G6U6STR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, low-power applications
• Characteristics: Ultra-low power consumption, high performance, rich peripheral set
• Package: LQFP32 (Low-profile Quad Flat Package)
• Essence: ARM Cortex-M0+ core microcontroller
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Core: ARM Cortex-M0+ running at up to 32 MHz
• Memory:
  • Flash: 32 KB
  • SRAM: 8 KB
• Operating Voltage: 1.65V to 3.6V
• Operating Temperature: -40°C to +85°C
• I/O Pins: 26
• Communication Interfaces:
  • USART, SPI, I2C, USB
• Analog-to-Digital Converter (ADC):
  • Resolution: 12-bit
  • Channels: Up to 16
• Timers:
  • 16-bit general-purpose timers
  • 16-bit low-power timers
• Power Consumption:
  • Active mode: 125 µA/MHz
  • Standby mode: 0.9 µA
  • Shutdown mode: 30 nA

Detailed Pin Configuration

The STM32L041G6U6STR microcontroller has a total of 32 pins in the LQFP32 package. The pin configuration is as follows:

```

1 2 3 4 5 6 7 8 9 10

| VDD | NRST | PA13 | PA14 | PA15 | GND | PB3 | VDD | GND |

| PC13 | PC14 | PC15 | GND | VDD | PB4 | PB5 | VDD | GND |

| PB6 | PB7 | BOOT0 | VDD | GND | PA0 | PA1 | PA2 | GND |

| VDD | GND | PA3 | PA4 | PA5 | PA6 | PA7 | PA8 | GND |

```

Functional Features

• Ultra-low power consumption for battery-powered applications
• High-performance ARM Cortex-M0+ core for efficient processing
• Rich peripheral set including USART, SPI, I2C, and USB interfaces
• Flexible analog-to-digital converter (ADC) with up to 16 channels
• Multiple timers for precise timing and event generation
• Wide operating voltage range for versatile applications
• Low-profile package for space-constrained designs

Advantages and Disadvantages

Advantages: - Excellent power efficiency for extended battery life - High-performance processing capabilities - Versatile communication interfaces for connectivity - Ample memory for data storage and program execution - Compact package size suitable for small form factor designs

Disadvantages: - Limited number of I/O pins compared to larger microcontrollers - Relatively small flash and SRAM capacity for complex applications - May require additional external components for certain functionalities

Working Principles

The STM32L041G6U6STR microcontroller operates based on the ARM Cortex-M0+ architecture. It executes instructions stored in its flash memory and interacts with various peripherals to perform desired tasks. The low-power design allows it to operate efficiently in battery-powered applications, while the rich peripheral set enables seamless integration with other devices.

Detailed Application Field Plans

The STM32L041G6U6STR microcontroller finds applications in various fields, including:

1. Internet of Things (IoT) devices: Enables connectivity and control in smart home systems, industrial automation, and wearable devices.
2. Sensor networks: Facilitates data acquisition and processing in environmental monitoring, healthcare, and agriculture.
3. Consumer electronics: Powers low-power devices such as remote controls, fitness trackers, and portable medical devices.
4. Industrial control systems: Provides real-time control and monitoring capabilities in factory automation, robotics, and energy management systems.

Detailed and Complete Alternative Models

• STM32L051K8U6: Similar features with increased flash and SRAM capacity
• STM32L031G6U6: Lower flash and SRAM capacity but lower cost
• STM32L011F3U6: Basic version with reduced features and lower cost

These alternative models offer different trade-offs in terms of memory capacity, cost, and specific features, allowing designers to choose the most suitable option for their application requirements.

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