STM8AL31E8ATCX

Product Overview

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

Specifications

• Core: STM8 core running at up to 16 MHz
• Flash memory: 64 KB
• RAM: 2 KB
• Operating voltage: 2.95V to 5.5V
• I/O pins: 32
• Timers: 3x 16-bit timers, 1x 8-bit timer
• Communication interfaces: SPI, I2C, UART
• Analog-to-digital converter (ADC): 10-bit, 10 channels
• Temperature sensor: Yes
• Watchdog timer: Yes
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The STM8AL31E8ATCX microcontroller has a total of 32 I/O pins, which are assigned various functions based on their configuration. The pinout diagram below illustrates the detailed pin configuration:

Pin | Name | Function --- | ---- | -------- 1 | PA0 | GPIO or ADC 2 | PA1 | GPIO or ADC 3 | PA2 | GPIO or ADC 4 | PA3 | GPIO or ADC 5 | PA4 | GPIO or ADC 6 | PA5 | GPIO or ADC 7 | PA6 | GPIO or ADC 8 | PA7 | GPIO or ADC 9 | PB0 | GPIO or ADC 10 | PB1 | GPIO or ADC 11 | PB2 | GPIO or ADC 12 | PB3 | GPIO or ADC 13 | PB4 | GPIO or ADC 14 | PB5 | GPIO or ADC 15 | PB6 | GPIO or ADC 16 | PB7 | GPIO or ADC 17 | PC0 | GPIO or ADC 18 | PC1 | GPIO or ADC 19 | PC2 | GPIO or ADC 20 | PC3 | GPIO or ADC 21 | PC4 | GPIO or ADC 22 | PC5 | GPIO or ADC 23 | PC6 | GPIO or ADC 24 | PC7 | GPIO or ADC 25 | PD0 | GPIO or ADC 26 | PD1 | GPIO or ADC 27 | PD2 | GPIO or ADC 28 | PD3 | GPIO or ADC 29 | VSS | Ground 30 | VDD | Power supply 31 | NRST | Reset 32 | OSC | Oscillator input

Functional Features

The STM8AL31E8ATCX microcontroller offers several functional features that make it suitable for a wide range of applications:

1. Low power consumption: The microcontroller is designed to operate efficiently in low-power modes, making it ideal for battery-powered devices.
2. High performance: With its STM8 core running at up to 16 MHz, the microcontroller delivers fast and reliable processing capabilities.
3. Small form factor: The TQFP-32 package ensures a compact size, enabling integration into space-constrained designs.
4. Enhanced peripherals: The microcontroller includes multiple timers, communication interfaces (SPI, I2C, UART), and an analog-to-digital converter (ADC) for versatile functionality.
5. Temperature sensor: The built-in temperature sensor allows monitoring of the device's operating temperature.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - High-performance STM8 core enables efficient processing. - Small form factor facilitates integration into compact designs. - Enhanced peripherals provide flexibility for various applications. - Built-in temperature sensor simplifies thermal management.

Disadvantages: - Limited flash memory and RAM may restrict the complexity of applications. - 8-bit architecture may not be suitable for computationally intensive tasks. - Availability of alternative models with more features or higher performance may limit its competitiveness in certain markets.

Working Principles

The STM8AL31E8ATCX microcontroller operates based on the STM8 core architecture. It executes instructions stored in its flash memory to perform various tasks. The core communicates with peripherals, such as timers, communication interfaces, and the ADC, to interact with the external environment. The microcontroller can be programmed using a variety of development tools and programming languages, allowing developers to create customized