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STMicroelectronics STM8S208C6T6
- Part No.:
- STM8S208C6T6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
STM8S208C6T6.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,061
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Product details
Overview
STM8S208C6T6 from STMicroelectronics is an 8-bit high-performance microcontroller featuring a Harvard-architecture STM8 core, 24 MHz max CPU frequency, 32 KB Flash, 1 KB EEPROM, 2 KB RAM, integrated CAN 2.0B controller, dual UARTs (one LIN-capable), SPI, I²C, and 10-bit ADC with 16 channels - deployed in automotive body control modules and industrial sensor nodes.
For engineers reviewing the STM8S208C6T6 datasheet, STM8S208C6T6 pinout, STM8S208C6T6 application, or STM8S208C6T6 equivalent, key selection criteria include CAN interface timing compliance, SWIM debug accessibility, LQFP48 package thermal performance, and 2.95–5.5 V supply operation across extended temperature ranges.
Technical Context
The STM8S208C6T6 implements a 3-stage pipelined Harvard-architecture core delivering up to 20 MIPS at 24 MHz with zero wait states ≤16 MHz. Its clock system integrates user-trimmable 16 MHz RC, low-power 128 kHz RC, and external crystal support with clock security monitoring.
Peripheral integration includes a beCAN 2.0B controller supporting 1 Mbit/s active operation, two UARTs (UART1 with LIN master mode and automatic resynchronization), and a 16-bit advanced control timer (TIM1) with dead-time insertion and complementary outputs for motor control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | STM8 Harvard 8-bit CPU with 3-stage pipeline and extended instruction set |
| Max Clock Frequency | 24 MHz fCPU; 0 wait states up to 16 MHz - enables deterministic real-time execution |
| Memory (Flash/EEPROM/RAM) | 32 KB Flash (20-year data retention @55°C after 10k cycles), 1 KB true data EEPROM (300k write cycles), 2 KB RAM |
| ADC | 10-bit SAR ADC with up to 16 input channels and configurable sampling time |
| Communication Interfaces | beCAN 2.0B (1 Mbit/s), 2x UART (LIN 2.1 compliant), SPI (10 Mbit/s), I²C (400 Kbit/s) |
| Timers | TIM1 (16-bit advanced, 4 CAPCOM, 3 complementary outputs, dead-time), TIM2/TIM3 (16-bit general purpose), TIM4 (8-bit basic) |
| Supply Voltage | 2.95 V to 5.5 V - supports direct connection to 3.3 V and 5 V rails without level shifting |
Pinout & Package
LQFP48 package (7 × 7 mm, 0.5 mm pitch), 48-pin quad flat lead-free package with exposed thermal pad; RoHS-compliant, rated for industrial temperature range (−40 °C to +85 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply | Main digital supply (2.95–5.5 V); decoupling required per datasheet layout guidelines |
| VSS | Ground reference | Digital ground plane connection; separate analog ground not required on this variant |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; accepts Schmitt-triggered signals down to 1.2 V |
| SWIM | Single-wire interface module | Debug and programming interface using one bidirectional pin (no dedicated clock or data lines) |
| PA0–PA7 | General-purpose I/O | 8-bit port A with alternate functions including ADC_IN0–7, TIM1_CH1–4, UART1_TX/RX |
| PB0–PB7 | General-purpose I/O | 8-bit port B with CAN_RX/TX, SPI_SCK/MOSI/MISO, I²C_SCL/SDA remapping capability |
| PC0–PC7 | General-purpose I/O | 8-bit port C supporting TIM2/TIM3 channels, UART3, and high-sink capability (up to 20 mA sink per pin) |
| PD0–PD7 | General-purpose I/O | 8-bit port D with TIM1 complementary outputs (CH1N–CH3N), beCAN standby control, and SWIM functionality |
Key Features
| Feature | Design Value |
|---|---|
| SWIM single-wire debug | Enables full in-circuit programming and real-time debugging using only one GPIO pin |
| beCAN 2.0B controller | Hardware-accelerated CAN protocol handling with message filtering, FIFO buffering, and 1 Mbit/s bit rate |
| Low-power modes | Wait, active-halt, and halt modes with individual peripheral clock gating - typical halt current <1 μA @3.3 V |
| Robust I/O design | I/Os immune to current injection up to 50 mA; 18 pins support high-sink capability (20 mA) |
| Integrated clock security | Hardware clock monitor detects external oscillator failure and triggers safe reset within 4 cycles |
Applications
| Automotive Body Control Unit | Industrial Sensor Node |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12 V vehicle systems. IC Role / Device Role / Timing Role: Primary MCU executing CAN-based command arbitration, LIN slave communication with actuators, and PWM-driven motor control via TIM1. Use Value: Integrated beCAN and LIN support eliminates external transceivers; 24 MHz performance ensures sub-10 ms response latency for safety-critical commands. |
Use Scenario: Battery-powered environmental monitoring node collecting temperature, humidity, and CO₂ via analog/digital sensors in factory settings. IC Role / Device Role / Timing Role: Data acquisition controller managing 10-bit ADC sampling, SPI-connected sensor interfaces, and low-power UART reporting over RS-485. Use Value: Active-halt mode draws <2.5 μA @3.3 V, enabling multi-year battery life; EEPROM stores calibration coefficients without external memory. |
| Home Appliance Motor Drive | Smart Energy Meter Interface |
Use Scenario: Brushless DC motor commutation and speed regulation in HVAC blowers and washing machine drum drives. IC Role / Device Role / Timing Role: Precision timing controller using TIM1's dead-time insertion and complementary outputs to drive 3-phase gate drivers. Use Value: Hardware dead-time prevents shoot-through in half-bridge configurations; 16-bit resolution enables <0.1% duty cycle granularity at 20 kHz PWM. |
Use Scenario: Communication gateway between metrology ICs (e.g., ADE7953) and PLC/HPLC modems in DIN-rail mounted electricity meters. IC Role / Device Role / Timing Role: Protocol translator handling SPI-to-UART bridging, CRC-16 checksum generation, and secure firmware updates via SWIM. Use Value: Dual UARTs allow simultaneous metrology data streaming and modem command channel; 96-bit unique ID enables device-level traceability and anti-cloning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM8S207C8T6 | 64 KB Flash, 2 KB EEPROM, same peripherals and pinout in LQFP48 - higher memory density | Suitable where firmware size exceeds 32 KB or EEPROM logging depth >1 KB required | Select when future firmware expansion headroom or extended data logging is needed without PCB redesign |
| STM32F042F6P6 | 32-bit ARM Cortex-M0, 32 KB Flash, USB 2.0, no CAN - higher performance but different architecture | Better suited for USB HID devices or applications requiring >20 MIPS; lacks native CAN bus support | Choose only if migrating to 32-bit ecosystem and adding USB connectivity outweighs CAN dependency |
Compared with STM8S207C8T6, the STM8S208C6T6 trades Flash/EEPROM capacity for cost-sensitive deployments; versus STM32F042F6P6, it retains CAN-native control at lower power and simpler toolchain requirements, avoiding USB stack overhead.
Availability
STM8S208C6T6 is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, home appliance motor control, and smart energy metering requiring stable component supply across extended temperature and long-lifecycle programs.
Supply support for STM8S208C6T6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, sensors, and automotive-grade components since 1987.
The STM8S series targets cost-optimized, robust 8-bit control applications in automotive, industrial, and appliance markets - emphasizing CAN/LIN integration, ultra-low-power operation, and SWIM-based development simplicity.
FAQ
Does STM8S208C6T6 support hardware CAN FD?
No. The STM8S208C6T6 integrates a legacy beCAN 2.0B controller compliant with ISO 11898-1:2003, supporting only Classical CAN frames (up to 1 Mbit/s, 8-byte payloads). It does not implement CAN FD features such as flexible data-rate switching or extended payload lengths beyond 8 bytes.
What is the maximum operating temperature for industrial use?
The STM8S208C6T6 is qualified for industrial temperature range: −40 °C to +85 °C ambient. This rating is validated per ST's qualification standard AEC-Q100 stress testing and applies to all LQFP48 variants, including the C6T6 suffix part.
Can SWIM interface be used for production programming?
Yes. SWIM supports full production programming via ST-LINK/V2 or compatible programmers, including Flash erase/write, option byte configuration, and EEPROM initialization. Production firmware images can be loaded directly without JTAG headers or additional debug circuitry.
Is there a built-in temperature sensor accessible via ADC?
No. The STM8S208C6T6 does not integrate a calibrated on-die temperature sensor. While the ADC can measure external thermistor or diode-based temperature circuits, no internal sensor channel or factory calibration data is provided in the device's memory map or datasheet specifications.
STM8S208C6T6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-LQFP
- Series:
- STM8S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- STM8
- Core Size:
- 8-Bit
- Speed:
- 24MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 38
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.95V ~ 5.5V
- Data Converters:
- A/D 10x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM8S208C6T6 FAQ
1.How can I place an order for STM8S208C6T6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM8S208C6T6 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM8S208C6T6 reliable?
The price and inventory of STM8S208C6T6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM8S208C6T6 is usually 5 days.
3.What payment methods are accepted for STM8S208C6T6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM8S208C6T6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM8S208C6T6?
STM8S208C6T6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM8S208C6T6 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM8S208C6T6?
For technical support, including STM8S208C6T6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM8S208C6T6 requirements.
6.How does Aetrix verify that STM8S208C6T6 is sourced from the original manufacturer or authorized distributors?
All STM8S208C6T6 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM8S208C6T6 meets industry standards.
7.What is the process for return or replacement of STM8S208C6T6?
All STM8S208C6T6 units undergo pre-shipment inspection (PSI). If there is an issue with STM8S208C6T6, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM8S208C6T6 part is unused and in its original packaging.
Return procedure for STM8S208C6T6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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