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STM8S903F3M6TR
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STM8S903F3M6TR

Product Overview

  • Category: Microcontroller
  • Use: Embedded systems, IoT devices, consumer electronics
  • Characteristics: Low power consumption, high performance, small form factor
  • Package: LQFP-32
  • Essence: 8-bit microcontroller with integrated peripherals
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Architecture: STM8
  • Core: 8-bit
  • CPU Frequency: Up to 16 MHz
  • Flash Memory: 8 KB
  • RAM: 1 KB
  • Operating Voltage Range: 2.95V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Number of I/O Pins: 22
  • Timers: 3x 16-bit timers, 1x 8-bit timer
  • Communication Interfaces: SPI, I2C, UART
  • Analog-to-Digital Converter (ADC): 10-bit, 5 channels
  • PWM Channels: 4
  • Watchdog Timer: Yes
  • Brownout Reset: Yes
  • Supply Voltage Supervisor: Yes

Pin Configuration

The STM8S903F3M6TR microcontroller has a total of 32 pins arranged in a LQFP package. The pin configuration is as follows:

  1. NRST: Reset pin
  2. VSS: Ground
  3. VDD: Power supply
  4. PA1: General-purpose I/O pin
  5. PA2: General-purpose I/O pin
  6. PA3: General-purpose I/O pin
  7. PA4: General-purpose I/O pin
  8. PA5: General-purpose I/O pin
  9. PA6: General-purpose I/O pin
  10. PA7: General-purpose I/O pin
  11. PB0: General-purpose I/O pin
  12. PB1: General-purpose I/O pin
  13. PB2: General-purpose I/O pin
  14. PB3: General-purpose I/O pin
  15. PB4: General-purpose I/O pin
  16. PB5: General-purpose I/O pin
  17. VSS: Ground
  18. VDD: Power supply
  19. PC0: General-purpose I/O pin
  20. PC1: General-purpose I/O pin
  21. PC2: General-purpose I/O pin
  22. PC3: General-purpose I/O pin
  23. PC4: General-purpose I/O pin
  24. PC5: General-purpose I/O pin
  25. PC6: General-purpose I/O pin
  26. PC7: General-purpose I/O pin
  27. PD0: General-purpose I/O pin
  28. PD1: General-purpose I/O pin
  29. PD2: General-purpose I/O pin
  30. PD3: General-purpose I/O pin
  31. PD4: General-purpose I/O pin
  32. PD5: General-purpose I/O pin

Functional Features

  • High-performance 8-bit microcontroller with integrated peripherals
  • Low power consumption for energy-efficient applications
  • Wide operating voltage range for flexibility in power supply options
  • Multiple communication interfaces (SPI, I2C, UART) for easy integration with other devices
  • On-chip analog-to-digital converter (ADC) for sensor interfacing
  • PWM channels for precise control of output signals
  • Built-in watchdog timer and brownout reset for system reliability
  • Supply voltage supervisor to monitor power supply stability

Advantages and Disadvantages

Advantages: - High performance and low power consumption make it suitable for a wide range of applications - Integrated peripherals reduce the need for external components - Small form factor allows for compact designs - Wide operating voltage range provides flexibility in power supply options

Disadvantages: - Limited flash memory and RAM compared to higher-end microcontrollers - 8-bit architecture may not be suitable for complex applications requiring more processing power

Working Principles

The STM8S903F3M6TR microcontroller operates based on the STM8 core architecture. It executes instructions stored in its flash memory and performs various tasks using its integrated peripherals. The CPU frequency can be adjusted up to 16 MHz, allowing for efficient execution of instructions. The microcontroller communicates with other devices through its communication interfaces such as SPI, I2C, and UART. It also has analog-to-digital conversion capabilities, enabling it to interface with sensors and acquire analog data. The PWM channels provide precise control over output signals, making it suitable for applications that require accurate timing or signal modulation.

Detailed Application Field Plans

The STM8S903F3M6TR microcontroller is widely used in various application fields, including:

  1. Embedded Systems: Used in industrial automation, home automation, and automotive systems for control and monitoring purposes.
  2. IoT Devices: Enables connectivity and

기술 솔루션에 STM8S903F3M6TR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of STM8S903F3M6TR in technical solutions:

  1. Q: What is the STM8S903F3M6TR microcontroller used for? A: The STM8S903F3M6TR is a microcontroller commonly used in various technical solutions, such as industrial automation, consumer electronics, and automotive applications.

  2. Q: What is the maximum clock frequency of the STM8S903F3M6TR? A: The STM8S903F3M6TR can operate at a maximum clock frequency of 16 MHz.

  3. Q: How much flash memory does the STM8S903F3M6TR have? A: The STM8S903F3M6TR has 8 KB of flash memory for program storage.

  4. Q: Can I interface the STM8S903F3M6TR with other devices? A: Yes, the STM8S903F3M6TR supports various communication interfaces like SPI, I2C, UART, and GPIOs, allowing you to interface it with other devices.

  5. Q: Does the STM8S903F3M6TR have any analog-to-digital converters (ADC)? A: Yes, the STM8S903F3M6TR has a 10-bit ADC with up to 10 channels, enabling you to measure analog signals.

  6. Q: What kind of peripherals does the STM8S903F3M6TR offer? A: The STM8S903F3M6TR offers a range of peripherals, including timers, watchdog timers, UART, SPI, I2C, GPIOs, and more.

  7. Q: Can I use the STM8S903F3M6TR for low-power applications? A: Yes, the STM8S903F3M6TR has various power-saving features, such as multiple low-power modes and a low-power consumption design.

  8. Q: Is the STM8S903F3M6TR suitable for real-time applications? A: Yes, the STM8S903F3M6TR offers hardware timers and interrupt capabilities, making it suitable for real-time applications that require precise timing.

  9. Q: What development tools are available for programming the STM8S903F3M6TR? A: STMicroelectronics provides an integrated development environment (IDE) called "ST Visual Develop" and a range of software libraries to program the STM8S903F3M6TR.

  10. Q: Where can I find documentation and resources for the STM8S903F3M6TR? A: You can find datasheets, application notes, reference manuals, and other resources on the official STMicroelectronics website or their online community forums.

Please note that these answers are general and may vary depending on specific requirements and use cases.