In the rapidly evolving electronics world, choosing the right microcontroller (MCU) for your project is critical to its performance and success. STMicroelectronics' STM8S105K4U6A stands out as a reliable, versatile choice for a wide range of applications, offering a blend of performance and cost-efficiency. This 8-bit MCU is perfect for applications that require robust performance with moderate power consumption. In this comprehensive article, we'll delve into the intricacies of the STM8S105K4U6A, uncovering its definition, key features, specifications, applications, and a closer look at its manufacturer.
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The STM8S105K4U6A is an 8-bit microcontroller from the STM8 family by STMicroelectronics. It features a CISC (Complex Instruction Set Computing) architecture, which means it can execute a wide range of instructions efficiently. Designed for general-purpose use, it integrates a variety of features, including programmable I/O pins, timers, and communication interfaces such as SPI, I2C, and UART. The MCU is ideal for applications requiring compactness, efficiency, and cost-effectiveness.
Let's delve into the standout features that make the STM8S105K4U6A a standout in the world of electronics:
· This MCU comes with 16KB of Flash memory, providing sufficient storage for program code and allowing for flexibility in design.
· With ample RAM and data memory, the STM8S105K4U6A can handle a variety of tasks, ensuring that your applications run smoothly.
· It supports 25 I/Os for interfacing with sensors, actuators, and other peripheral devices, ideal for building complex systems.
· With five timers and two PWM outputs, this MCU can be used in applications such as motor control, signal generation, and frequency modulation.
· Equipped with a single ADC with a resolution of 10 bits and seven channels, the STM8S105K4U6A is perfect for projects requiring analog signal processing.
· It offers I2C, SPI, and UART communication interfaces, making it versatile for connecting with other devices and peripherals.
· It operates between 2.95V and 5.5V, making it suitable for different power supply configurations.
Now, let's take a closer look at the technical specifications that define the capabilities of the STM8S105K4U6A:
Type | Parameter |
Family Name | STM8S |
Instruction Set Architecture | CISC |
Device Core | STM8 |
Core Architecture | STM8 |
Maximum CPU Frequency (MHz) | 16 |
Maximum Clock Rate (MHz) | 16 |
Data Bus Width (bit) | 8 |
Program Memory Type | Flash |
Program Memory Size | 16KB |
RAM Size | 2KB |
Data Memory Size | 1KB |
Maximum Expanded Memory Size | 16MB |
Programmability | Yes |
Interface Type | I2C/SPI/UART |
Number of I/Os | 25 |
No. of Timers | 5 |
PWM | 2 |
Number of ADCs | Single |
ADC Channels | 7 |
ADC Resolution (bit) | 10 |
USART | 0 |
UART | 1 |
USB | 0 |
SPI | 1 |
I2C | 1 |
I2S | 0 |
CAN | 0 |
Ethernet | 0 |
Watchdog | 2 |
Minimum Operating Supply Voltage (V) | 2.95 |
Typical Operating Supply Voltage (V) | 3.3|5 |
Maximum Operating Supply Voltage (V) | 5.5 |
Maximum Power Dissipation (mW) | 360 |
Minimum Operating Temperature (°C) | -40 |
Maximum Operating Temperature (°C) | 85 |
Packaging | Tray |
Mounting | Surface Mount |
Package Height | 0.53 |
Package Width | 5 |
Package Length | 5 |
PCB changed | 32 |
Standard Package Name | QFP |
Supplier Package | UFQFPN EP |
Pin Count | 32 |
Lead Shape | No Lead |
The STM8S105K4U6A microcontroller is designed for use in various embedded systems, including:
· Consumer Electronics: Ideal for home appliances, remote controls, and other devices that require efficient processing and low power consumption.
· Industrial Control Systems: It can be used for motor control, sensor interfaces, and other industrial automation tasks.
· Automotive Electronics: The MCU is robust enough to handle automotive systems that require high reliability in extreme environments.
· IoT Devices: With its communication interfaces (I2C, SPI, UART), the STM8S105K4U6A is perfect for Internet of Things (IoT) applications, enabling devices to communicate and process data effectively.
STMicroelectronics, often abbreviated as ST, is a global semiconductor manufacturer with a long-standing reputation for producing innovative and high-quality electronic components. With headquarters in Geneva, Switzerland, and a strong international presence, STMicroelectronics is a leading player in the semiconductor industry. They specialize in designing and manufacturing a wide range of semiconductor devices, including microcontrollers, sensors, power management solutions, and more. STMicroelectronics is trusted by industries worldwide, including automotive, consumer electronics, industrial, and telecommunications, for their cutting-edge technology and commitment to advancing the field of electronics.
The STM8S105K4U6A microcontroller offers a balanced combination of performance, memory, and connectivity for a wide range of embedded applications. Its versatile set of features—coupled with STMicroelectronics' commitment to quality—make it an ideal choice for engineers and developers seeking a reliable, cost-effective MCU solution.