STM8S105K4T6C
STM8S105K4T6C
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Description:  IC MCU 8BIT 16KB FLASH 32LQFP
Manufacturer:  STMicroelectronics
History Price: $2.85000
In Stock: 35550
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STM8S105K4T6C Specification
Specification
Mfr Part
STM8S105K4T6C
Category
Embedded - Microcontrollers
Manufacturer
STMicroelectronics
Series
STM8S
Packaging
Tray
Status
Active
Environmental Compliance
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
HS Code
-
Technical Parameter
Core Processor
STM8
Core Size
8-Bit
Speed
16MHz
Connectivity
I2C, IrDA, LINbus, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O
25
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
EEPROM Size
1K x 8
RAM Size
2K x 8
Voltage - Supply (Vcc/Vdd)
2.95V ~ 5.5V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40 ℃ ~ 85 ℃ (TA)
Mounting Type
Surface Mount
Package / Case
-
Supplier Device Package
-
STM8S105K4T6C PDF Datasheet
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STM8S105K4T6C Description
The STM8S105K4T6C is a microcontroller from STMicroelectronics%27 STM8S series, which is based on the STM8 8-bit core. Here’s a detailed overview:

## Core and Architecture

- Core: STM8 8-bit core
- Clock Speed: Up to 16 MHz
- Instruction Set: Enhanced 8-bit instruction set

## Memory

- Flash Memory: 8 KB
- SRAM: 1 KB
- EEPROM: 1 KB

## Peripherals

- Timers:
- 1 x 16-bit timer with 2 IC/OC channels
- 1 x 8-bit timer with 4 IC/OC channels
- ADC:
- 10-bit ADC with 10 channels
- Communication Interfaces:
- 1 x I2C interface
- 1 x SPI interface
- 1 x USART interface

## GPIO

- Ports: 20 I/O pins
- Features: Each pin can be configured as input or output with various alternate functions.

## Power Supply

- Operating Voltage: 2.95V to 5.5V
- Low Power Modes: Sleep, Halt, and Active modes to conserve energy

## Package and Temperature Range

- Package: LQFP-32
- Temperature Range: -40°C to 85°C

## Additional Features

- Watchdog Timer: Integrated independent watchdog timer
- Reset and Power Management: Power-on reset and brown-out reset
- Development Tools: Compatible with STM8 development tools and IDEs, including ST%27s STM8CubeMX and STVD (ST Visual Develop).

The STM8S105K4T6C is ideal for applications requiring cost-effective and reliable microcontroller solutions with essential peripheral features and energy efficiency.
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  • STM8S105K4T6C FAQ
    Q1: What is the main feature of the STMicroelectronics STM8S105K4T6C?
    A1: The STM8S105K4T6C is an 8-bit microcontroller based on the STM8 core, offering an efficient solution for cost-sensitive applications with low power consumption and a wide range of peripherals.

    Q2: How much Flash memory does the STM8S105K4T6C have?
    A2: The STM8S105K4T6C features 16 KB of Flash memory for program storage, suitable for small to medium-sized embedded applications.

    Q3: What is the RAM size in the STM8S105K4T6C?
    A3: The STM8S105K4T6C has 1 KB of SRAM, providing enough memory for basic data storage during program execution.

    Q4: What is the maximum operating frequency of the STM8S105K4T6C?
    A4: The STM8S105K4T6C can operate at a maximum frequency of 16 MHz, providing sufficient processing power for low- to mid-range tasks.

    Q5: What types of I/O pins does the STM8S105K4T6C offer?
    A5: The STM8S105K4T6C provides up to 18 general-purpose I/O pins, allowing it to interface with external devices and sensors for various applications.

    Q6: What communication interfaces are available on the STM8S105K4T6C?
    A6: The STM8S105K4T6C supports UART and SPI communication protocols, enabling easy integration with other devices and peripherals.

    Q7: Does the STM8S105K4T6C support analog-to-digital conversion?
    A7: Yes, the STM8S105K4T6C has a 10-bit ADC with up to 3 channels, allowing for the conversion of analog signals to digital form for sensor and control applications.

    Q8: How many timers are available on the STM8S105K4T6C?
    A8: The STM8S105K4T6C includes two 8-bit timers and one 16-bit timer, suitable for generating time delays and PWM signals in embedded systems.

    Q9: What is the power supply voltage range for the STM8S105K4T6C?
    A9: The STM8S105K4T6C operates with a supply voltage range of 2.95V to 5.5V, making it adaptable to different power systems.

    Q10: Does the STM8S105K4T6C have a built-in watchdog timer?
    A10: Yes, the STM8S105K4T6C includes an independent watchdog timer (IWDG) for monitoring the system's operation and ensuring recovery from faults.

    Q11: What is the temperature range of the STM8S105K4T6C?
    A11: The STM8S105K4T6C operates in a temperature range of -40°C to 85°C, suitable for a wide variety of industrial and consumer applications.

    Q12: Can the STM8S105K4T6C be used in automotive applications?
    A12: Yes, the STM8S105K4T6C is suitable for automotive and other rugged environments, given its extended temperature range and low power consumption.

    Q13: Does the STM8S105K4T6C support low-power modes?
    A13: Yes, the STM8S105K4T6C features several low-power modes, including Halt and Active-halt, to optimize energy consumption for battery-operated devices.

    Q14: How many interrupt sources does the STM8S105K4T6C have?
    A14: The STM8S105K4T6C provides several interrupt sources, allowing the microcontroller to respond to events in real-time, improving system efficiency.

    Q15: Does the STM8S105K4T6C have an internal oscillator?
    A15: Yes, the STM8S105K4T6C features an internal high-speed RC oscillator, which simplifies design by eliminating the need for an external clock source.

    Q16: What is the package type of the STM8S105K4T6C?
    A16: The STM8S105K4T6C is available in a 20-pin LQFP package, providing a compact solution for space-constrained applications.

    Q17: Does the STM8S105K4T6C include any hardware security features?
    A17: Yes, the STM8S105K4T6C includes a read-out protection feature to safeguard against unauthorized reading of the Flash memory.

    Q18: Does the STM8S105K4T6C support external memory?
    A18: No, the STM8S105K4T6C does not have a dedicated external memory interface but can manage small external memory devices through its I/O pins.

    Q19: Can the STM8S105K4T6C be used in real-time control applications?
    A19: Yes, with its timers, ADC, and interrupt capabilities, the STM8S105K4T6C is well-suited for real-time control applications such as motor control and sensor monitoring.

    Q20: What kind of development tools are available for the STM8S105K4T6C?
    A20: The STM8S105K4T6C is supported by STMicroelectronics' STM8 development environment, which includes hardware and software tools for easy application development.
    Customer Reviews
    4.95 out of 5.00 stars from 126 customer reviews from all over the world
    Nicolás
    Spain
    5 stars
    2026-04-08 00:49
    All right. Fast Shipping. Thank you
    Zofia Krawczyk
    Poland
    5 stars
    2026-04-07 08:25
    Goods OK. Fast shipping.
    Élodie Gauthier
    France
    5 stars
    2026-04-05 23:05
    Like the description, fast shipping, perfect.
    André Luiz
    Brazil
    5 stars
    2026-04-05 21:29
    All (300 PCs) arrived in perfect condition, but could put a better protection for the terminal. Came just in a bubble bag. Very risky.
    Sofia Maria
    Brazil
    5 stars
    2026-04-05 14:15
    Thank you friend seller, all right
    Federico Marino
    Italy
    5 stars
    2026-04-05 13:41
    very quick delivery, only 2 weeks, with combined shipment; item is OK