STM8S105C6T6 - 8-bit MCU, 16MHz, 32KB Flash | STMicroelectronics
N.º da peça: STM8S105C6T6 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.85 | $2,85 |
| 10 | $2.56 | $25,60 |
| 100 | $2.28 | $228,00 |
| 500 | $2.05 | $1.025,00 |
| 1.000 | $1.85 | $1.850,00 |
STM8S105C6T6 Visão geral
An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, integrating a processor core, memory, and programmable input/output peripherals. The STM8S105C6T6 belongs to the STM8S family, which is part of the broader STM8 microcontroller series, positioned below the 32-bit STM32 family in STMicroelectronics' product hierarchy. It is designed for applications requiring moderate processing power, low power consumption, and rich peripheral integration, such as industrial control, home appliances, and automotive body electronics.
Key features include a 10-bit analog-to-digital converter (ADC) with up to 10 channels, multiple 16-bit timers, and a full set of communication interfaces: UART, SPI, and I2C. The device also integrates a true data EEPROM with up to 300,000 write/erase cycles, enabling data storage without external memory. The STM8 core operates at up to 16 MHz, delivering 16 MIPS throughput, and supports a wide range of clock sources including internal RC oscillators and external crystals.
The STM8S105C6T6 is built on a high-density Flash technology, providing robust program memory endurance and fast programming. The architecture includes a nested interrupt controller with 28 interrupt vectors, enhancing real-time responsiveness. The device also features a low-power mode with typical current consumption of 5 µA in Halt mode, making it suitable for battery-powered applications.
Typical applications include industrial automation, home appliances (e.g., washing machines, air conditioners), power tools, and automotive body control modules. The rich peripheral set and 5V-tolerant I/Os allow direct interfacing with sensors, relays, and displays without level shifting. The LQFP-48 package provides 38 I/O pins, offering ample connectivity for control and communication.
When designing with this MCU, ensure proper decoupling of the VDD and VDDA pins with 100 nF capacitors placed close to the device. The NRST pin should be connected to a 100 nF capacitor to ground for reliable reset. For applications requiring precise timing, use an external crystal oscillator with load capacitors as specified in the datasheet.
Alternativas drop-in para STM8S105C6T6 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM8S105C6T6 (mesmo formato e footprint) — diferindo em Package, Core, Operating Temperature Range, RAM Size, Communication Interfaces.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM8S105C6T6TR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM8S105C8T6
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM8AF6268TCX
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM8S105C4T6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM8S105C6T6 Classificações máximas e características elétricas
| Core | STM8 8-bit CISC |
| Frequência máxima de clock | 16 MHz |
| Program Memory Size | 32 KB (32K x 8) Flash |
| RAM Size | 2 KB |
| Data EEPROM Size | 1 KB |
| Number of I/O Pins | 38 |
| Supply Voltage Range | 2.95 V to 5.5 V |
| ADC Resolution | 10-bit |
| Number of ADC Channels | 10 |
| Timer Count | 3 (16-bit) |
| Communication Interfaces | UART, SPI, I2C |
| Encapsulamento | LQFP-48 (7x7 mm) |
| Tipo de montagem | Surface Mount |
| Faixa de temperatura de operação | -40°C to +85°C |
| Status RoHS | Compliant |
Configuração de pinos do STM8S105C6T6
| Pino 1 | PD0 — Port D0, general purpose I/O |
| Pino 2 | PD1 — Port D1, general purpose I/O |
| Pino 3 | PD2 — Port D2, general purpose I/O |
| Pino 4 | PD3 — Port D3, general purpose I/O |
| Pino 5 | PD4 — Port D4, general purpose I/O |
| Pino 6 | PD5 — Port D5, general purpose I/O |
| Pino 7 | PD6 — Port D6, general purpose I/O |
| Pino 8 | PD7 — Port D7, general purpose I/O |
| Pino 9 | VSS — Ground |
| Pino 10 | VDD — Power supply |
| Pino 11 | PA0 — Port A0, general purpose I/O |
| Pino 12 | PA1 — Port A1, general purpose I/O |
| Pino 13 | PA2 — Port A2, general purpose I/O |
| Pino 14 | PA3 — Port A3, general purpose I/O |
| Pino 15 | PA4 — Port A4, general purpose I/O |
| Pino 16 | PA5 — Port A5, general purpose I/O |
| Pino 17 | PA6 — Port A6, general purpose I/O |
| Pino 18 | PA7 — Port A7, general purpose I/O |
| Pino 19 | PB0 — Port B0, general purpose I/O |
| Pino 20 | PB1 — Port B1, general purpose I/O |
| Pino 21 | PB2 — Port B2, general purpose I/O |
| Pino 22 | PB3 — Port B3, general purpose I/O |
| Pino 23 | PB4 — Port B4, general purpose I/O |
| Pino 24 | PB5 — Port B5, general purpose I/O |
| Pino 25 | PB6 — Port B6, general purpose I/O |
| Pino 26 | PB7 — Port B7, general purpose I/O |
| Pino 27 | PC0 — Port C0, general purpose I/O |
| Pino 28 | PC1 — Port C1, general purpose I/O |
| Pino 29 | PC2 — Port C2, general purpose I/O |
| Pino 30 | PC3 — Port C3, general purpose I/O |
| Pino 31 | PC4 — Port C4, general purpose I/O |
| Pino 32 | PC5 — Port C5, general purpose I/O |
| Pino 33 | PC6 — Port C6, general purpose I/O |
| Pino 34 | PC7 — Port C7, general purpose I/O |
| Pino 35 | NRST — Reset (active low) |
| Pino 36 | VSS — Ground |
| Pino 37 | VDD — Power supply |
| Pino 38 | OSCIN — Oscillator input |
| Pino 39 | OSCOUT — Oscillator output |
| Pino 40 | PE0 — Port E0, general purpose I/O |
| Pino 41 | PE1 — Port E1, general purpose I/O |
| Pino 42 | PE2 — Port E2, general purpose I/O |
| Pino 43 | PE3 — Port E3, general purpose I/O |
| Pino 44 | PE4 — Port E4, general purpose I/O |
| Pino 45 | PE5 — Port E5, general purpose I/O |
| Pino 46 | PE6 — Port E6, general purpose I/O |
| Pino 47 | PE7 — Port E7, general purpose I/O |
| Pino 48 | VDDA — Analog power supply |
Aplicações típicas
STM8S105C6T6 é adequado para 6 aplicaçãos: Industrial Automation, Home Appliances, Automotive Body Electronics, Power Tools, Smart Sensors, Consumer Electronics.
Industrial Automation
The STM8S105C6T6 is ideal for industrial automation due to its robust 5V operation, rich peripheral set (UART, SPI, I2C, timers, ADC), and wide temperature range. It can interface directly with sensors, actuators, and relays without level shifting, simplifying design. The 32 KB Flash and 2 KB RAM are sufficient for control algorithms, while the true EEPROM stores calibration data and fault logs. The 16 MHz core provides fast response for real-time control loops, and the low-power Halt mode reduces energy consumption in standby. Compared to 32-bit MCUs, it offers lower cost and adequate performance for tasks like motor control, conveyor monitoring, and process control.
Recomendado
Home Appliances
In home appliances such as washing machines, air conditioners, and microwave ovens, the STM8S105C6T6 provides a cost-effective control solution. Its 5V operation directly interfaces with relays, buzzers, and LED displays, while the 10-bit ADC reads temperature sensors and potentiometers. The multiple timers generate PWM signals for motor speed control and heater regulation. The integrated EEPROM stores user settings and error codes, eliminating external memory. The device's robustness against electrical noise and wide voltage range ensures reliable operation in household environments. Its low power consumption in Halt mode is beneficial for standby power reduction, meeting energy efficiency standards.
Recomendado
Automotive Body Electronics
The STM8S105C6T6 is suitable for automotive body electronics like window lifters, mirror controls, and lighting modules. Although not AEC-Q100 qualified, it can be used in non-safety-critical applications with proper derating. The 5V supply and 5V-tolerant I/Os interface with automotive sensors and switches. The UART and LIN (via software) enable communication with body control modules. The 16 MHz core handles real-time tasks like PWM dimming and switch debouncing. The wide temperature range (-40°C to +85°C) covers most automotive environments. For higher reliability, the STM8AF6268TCX is recommended as a drop-in alternative.
Recomendado
Power Tools
The STM8S105C6T6 is well-suited for power tools like drills, saws, and grinders, where it manages motor control, battery monitoring, and safety features. The 10-bit ADC monitors battery voltage and current, while the timers generate PWM for variable speed control. The 5V operation is compatible with battery packs (e.g., 12V, 18V) with a simple regulator. The robust I/Os handle high-current switching via external MOSFET drivers. The integrated EEPROM stores usage logs and calibration data. The compact LQFP-48 package fits in handheld tool PCBs, and the low-power modes extend battery life during idle periods.
Recomendado
Smart Sensors
The STM8S105C6T6 can be used in smart sensors for environmental monitoring, building automation, and IoT edge nodes. Its UART, SPI, and I2C interfaces connect to various sensors (temperature, humidity, gas) and wireless modules (e.g., LoRa, Zigbee). The 10-bit ADC reads analog sensor outputs, and the timers handle periodic sampling. The 32 KB Flash stores firmware for signal processing and calibration algorithms. The low-power Halt mode (5 µA) is ideal for battery-powered sensors, enabling long deployment life. The 5V operation simplifies interfacing with industrial sensors that require higher voltage levels.
Recomendado
Consumer Electronics
In consumer electronics like remote controls, toys, and small appliances, the STM8S105C6T6 offers a low-cost, feature-rich MCU. Its 5V operation and 38 I/Os allow direct connection to buttons, LEDs, and small displays. The UART and I2C interfaces enable communication with other ICs like audio codecs and EEPROMs. The 16 MHz core provides enough processing power for user interface logic and simple algorithms. The integrated EEPROM stores user preferences and device settings. The compact LQFP-48 package is suitable for space-constrained designs, and the wide supply range accommodates battery-powered devices.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM8S105C6T6 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM8S105C6T6TR | STM8S105C8T6 | STM8AF6268TCX | STM8S105C4T6 |
|---|---|---|---|---|---|
| Package | LQFP-48 | LQFP-48 | LQFP-48 | LQFP-48 | LQFP-48 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Flash Memory | 32 KB | 32 KB | 64 KB | 32 KB | 16 KB |
| RAM | 2 KB | 2 KB | 6 KB | 2 KB | 1 KB |
| EEPROM | 1 KB | 1 KB | 2 KB | 1 KB | 640 B |
| Automotive Grade | No | No | No | Yes (AEC-Q100) | No |
| Max Clock | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz |
| I/O Pins | 38 | 38 | 38 | 38 | 38 |
Principais diferenciais
- True data EEPROM with 300k write/erase cycles (vs STM8S105C8T6)
- 5V operation with 5V-tolerant I/Os (vs N76E003AT20)
- Wide operating temperature range (vs STM8S105C4T6)
Notas de projeto
Decouple the VDD and VDDA pins with 100 nF ceramic capacitors placed as close to the pins as possible. Additionally, use a 4.7 µF bulk capacitor on the main supply rail. The VDDA pin should be connected to VDD through a ferrite bead or a low-pass filter to reduce noise on the analog supply, which is critical for ADC accuracy.
For the LQFP-48 package, ensure proper solder paste stencil design to avoid bridging between pins. The exposed pad (if present) should be connected to ground with multiple vias for thermal relief. Keep high-speed communication lines (SPI, I2C) short and away from high-current traces to minimize crosstalk.
The NRST pin must be connected to a 100 nF capacitor to ground to ensure reliable reset. Do not leave the NRST pin floating. Also, ensure that the supply voltage does not exceed 5.5V, as this can damage the device. For programming, use the SWIM interface with a 1 kΩ resistor in series to the SWIM pin.
Informações de conformidade
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; use STM8AF6268TCX for automotive.
