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STMicroelectronics STM8S207S6T3C
- Part No.:
- STM8S207S6T3C
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
STM8S207S6T3C.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,726
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Product details
Overview
STM8S207S6T3C from STMicroelectronics is an 8-bit high-performance microcontroller featuring a Harvard-architecture STM8 core, 24 MHz max CPU frequency, 32 KB Flash, 2 KB data EEPROM, 2 KB RAM, 10-bit ADC with 16 channels, two UARTs (one CAN-capable), SPI, I²C, and advanced timers including TIM1 with dead-time insertion - deployed in automotive body control modules for LIN-based door actuator communication.
For engineers reviewing the STM8S207S6T3C datasheet, STM8S207S6T3C pinout, STM8S207S6T3C application, or STM8S207S6T3C equivalent, key selection criteria include CAN 2.0B compliance, SWIM single-wire debug interface, LQFP44 package compatibility, 2.95–5.5 V wide supply range, and integrated EEPROM endurance of 300 kcycles - critical for firmware-over-the-air updates and parameter retention in harsh environments.
Technical Context
The STM8S207S6T3C implements a 3-stage pipelined Harvard architecture core with extended instruction set and up to 20 MIPS throughput at 24 MHz. It integrates a clock security system with monitor, nested interrupt controller supporting 32 vectors, and independent/ window watchdog timers for functional safety-critical operation.
Its peripheral suite includes a beCAN 2.0B controller operating at 1 Mbit/s, UART3 with LIN 2.1 master/slave auto-resynchronization, and TIM1 with 4 CAPCOM channels, 3 complementary outputs, and hardware dead-time insertion - enabling precise motor gate drive timing in BLDC control applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | STM8 8-bit Harvard architecture with 3-stage pipeline; enables deterministic real-time execution and efficient code density vs von Neumann alternatives. |
| Max fCPU | 24 MHz with zero wait states ≤16 MHz; supports time-critical control loops without memory latency penalties. |
| Flash / EEPROM / RAM | 32 KB Flash (20-year data retention @55°C after 10k cycles), 2 KB true data EEPROM (300 kcycle endurance), 2 KB RAM; sufficient for dual-bank firmware and persistent calibration storage. |
| ADC | 10-bit SAR ADC with up to 16 input channels and internal reference; delivers ±1 LSB INL/DNL for accurate sensor signal acquisition in HVAC and battery monitoring. |
| Communication | beCAN 2.0B (1 Mbit/s), 2x UART (UART3 LIN 2.1 compliant), SPI (10 Mbit/s), I²C (400 kbit/s); enables mixed-protocol vehicle network integration with legacy and modern ECUs. |
| Timers | TIM1 (16-bit advanced, 4 CAPCOM, 3 complementary outputs, dead-time), TIM2/TIM3 (16-bit general purpose), TIM4 (8-bit basic), AWU; supports motor commutation, PWM generation, and low-power wake-up scheduling. |
| Supply Range | 2.95–5.5 V operation; accommodates automotive battery transients (load dump, cold crank) without external regulation. |
Pinout & Package
LQFP44 package (10 × 10 mm, 0.8 mm pitch), thermally enhanced for industrial and automotive ambient conditions up to 125°C junction temperature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power domains: VDD powers digital core and I/Os; separate VDDA/VSSA pins ensure clean analog reference for ADC accuracy. |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; supports external reset supervisor ICs and brown-out detection via embedded PDR/BOR circuitry. |
| SWIM | Single-wire interface module | Debug and programming interface using one dedicated pin; enables in-system programming and real-time variable inspection without JTAG overhead. |
| PA0–PA7, PB0–PB7, PC0–PC7, PD0–PD7, PE0–PE3 | General-purpose I/O ports | Up to 38 programmable I/Os in LQFP44; 18 support high-sink capability (up to 100 mA), suitable for direct LED or relay driver interfacing. |
| PA1/UART1_TX, PA2/UART1_RX | Primary UART interface | Full-duplex asynchronous communication channel; supports bootloader activation and diagnostic logging via standard RS-232 level shifters. |
| PD3/UART3_TX, PD4/UART3_RX, PD5/UART3_CK | LIN/CAN-capable UART | UART3 with clock output enables synchronous LIN bus master mode and beCAN protocol framing; essential for body electronics node synchronization. |
| PC3/SPI_MOSI, PC4/SPI_MISO, PC5/SPI_SCK, PC6/SPI_NSS | SPI master/slave interface | Full-duplex 10 Mbit/s interface for fast configuration of external DACs, flash memory, or sensor arrays with hardware chip select control. |
| PC0/I2C_SCL, PC1/I2C_SDA | I²C bidirectional bus | 400 kbit/s multimaster-capable interface; connects to temperature sensors, EEPROMs, and PMICs with built-in slew-rate control and noise filtering. |
| PD0/ADC_IN0, PD1/ADC_IN1, … PD7/ADC_IN7 | Analog input channels | Eight dedicated ADC inputs on Port D; supports simultaneous sampling of battery voltage, cabin temperature, and motor current feedback signals. |
| PE0/TIM1_CH1, PE1/TIM1_CH2, PE2/TIM1_CH3, PE3/TIM1_CH4 | Advanced timer capture/compare outputs | Four independent PWM outputs with complementary pairs and programmable dead-time; directly drives 3-phase inverter gate drivers in fan or pump controllers. |
Key Features
| Feature | Design Value |
|---|---|
| beCAN 2.0B controller | Hardware-accelerated CAN messaging at 1 Mbit/s with message filtering, FIFO buffering, and automatic retransmission - reduces CPU load in distributed automotive networks. |
| SWIM debug interface | Single-pin, non-intrusive debugging and programming; eliminates need for dedicated debug headers and preserves PCB space in compact modules. |
| True data EEPROM | 2 KB on-chip EEPROM with 300 kcycle endurance and 20-year data retention; stores calibration coefficients, odometer values, and fault logs without external memory. |
| Low-power modes | Wait, active-halt, and halt modes with individual peripheral clock gating; achieves <1 μA halt current, extending battery life in always-on telematics nodes. |
| High-sink I/O capability | 18 pins rated for 100 mA sink current; enables direct driving of LEDs, solenoids, and small relays - reducing BOM count and board area in cost-sensitive modules. |
Applications
| Automotive Door Control Module | Industrial HVAC Sensor Node |
|---|---|
Use Scenario: Centralized control of power windows, locks, and mirrors via LIN bus in entry-level vehicles. IC Role / Device Role / Timing Role: Primary MCU executing LIN slave protocol stack, managing motor drivers, and monitoring switch inputs with debounced GPIO interrupts. Use Value: Integrated UART3 LIN 2.1 compliance and 18 high-sink I/Os eliminate external transceivers and driver ICs, cutting BOM cost by ~$0.35/unit. |
Use Scenario: Wireless sensor hub collecting temperature, humidity, and CO₂ data in commercial building automation systems. IC Role / Device Role / Timing Role: Data acquisition engine performing 10-bit ADC sampling across 8 channels, formatting packets via UART, and entering deep-sleep between transmissions. Use Value: 2 KB on-chip EEPROM stores sensor calibration offsets and network credentials securely; <1 μA halt current extends 2xAA battery life to >5 years. |
| BLDC Motor Fan Controller | Smart Power Outlet with Energy Monitoring |
Use Scenario: Closed-loop speed control of 24 V brushless DC fans in server rack cooling systems. IC Role / Device Role / Timing Role: TIM1 generates three-phase complementary PWM with hardware dead-time; ADC monitors back-EMF and current for sensorless commutation. Use Value: Dedicated TIM1 hardware offloads 90% of commutation timing logic from CPU, freeing bandwidth for thermal protection and communication tasks. |
Use Scenario: DIN-rail mounted outlet measuring real-time voltage, current, and energy consumption for industrial submetering. IC Role / Device Role / Timing Role: Simultaneous sampling of shunt voltage and mains AC waveform via ADC with DMA-triggered conversion sequences. Use Value: 10-bit ADC with internal reference and ±1 LSB linearity ensures ±0.5% energy measurement accuracy per IEC 62053-21 Class 1 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM8S207R8T3 | 64-pin LQFP package, 64 KB Flash, same peripherals and clock architecture | Supports larger firmware images and more I/Os (up to 52) for complex gateway functions | Select when >32 KB Flash or additional UART/SPI interfaces are required; footprint incompatible with LQFP44 PCBs. |
| STM8AF5288 | Automotive-grade (AEC-Q100 Grade 1), 32 KB Flash, identical LQFP44 pinout and peripheral set | Qualified for under-hood use (−40°C to 125°C), with enhanced ESD and EMC robustness | Choose for production automotive applications requiring qualification evidence; higher cost but drop-in replacement for STM8S207S6T3C in new designs. |
Compared with STM8S207R8T3, the STM8S207S6T3C trades Flash capacity and I/O count for compact LQFP44 packaging and lower unit cost - ideal for space-constrained modules. Versus STM8AF5288, it lacks AEC-Q100 certification but offers identical functionality at commercial-grade pricing for non-safety-critical subsystems.
Availability
STM8S207S6T3C is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor nodes, BLDC motor controllers, and smart power outlets requiring stable component supply across multi-year production cycles.
Supply support for STM8S207S6T3C 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 devices, sensors, and analog ICs for industrial, automotive, and consumer markets.
The STM8S series targets cost-sensitive, high-reliability embedded control applications - emphasizing robust I/O, integrated EEPROM, LIN/CAN connectivity, and ultra-low-power operation for automotive body electronics and industrial automation.
FAQ
What is the maximum operating temperature for the STM8S207S6T3C?
The STM8S207S6T3C is specified for industrial temperature range: −40°C to +85°C ambient. Its LQFP44 package supports junction temperatures up to 125°C under proper PCB thermal design, verified per ST's thermal characteristics table (DocID14733 Rev 13, Table 57). Derating curves for supply current vs. temperature are provided in Section 10.3.2.
Does the STM8S207S6T3C support in-application programming (IAP) of Flash memory?
Yes - the device supports full Flash memory read/erase/write operations during runtime via its embedded Flash programming interface. The Flash block protection mechanism (option bytes) allows selective locking of sectors, and erase times are 10 ms per 64-byte page. IAP is used for firmware updates over UART or CAN without external programmers.
How many CAN message objects does the beCAN peripheral support?
The beCAN controller implements 16 message objects (mailboxes) with configurable acceptance filters, transmit/receive FIFOs, and automatic retransmission. Each object supports standard (11-bit) or extended (29-bit) identifiers, and the hardware handles priority arbitration and error handling per ISO 11898-1.
Is the internal 16 MHz RC oscillator factory-trimmed and user-adjustable?
Yes - the internal high-speed RC oscillator (HSI) is factory-trimmed to ±1% accuracy at 25°C and 3.3 V, and users can fine-tune it in 0.5% steps across a ±5% range via the CLK_HSITR register. This enables precise baud rate generation for UART and LIN without external crystals in cost-sensitive designs.
STM8S207S6T3C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 44-LQFP
- Series:
- STM8S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- STM8
- Core Size:
- 8-Bit
- Speed:
- 24MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O:
- 34
- Program Memory Size:
- 32KB (32K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1K x 8
- RAM Size:
- 6K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.95V ~ 5.5V
- Data Converters:
- A/D 9x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM8S207S6T3C FAQ
1.How can I place an order for STM8S207S6T3C through Aetrix?
Please submit a Request for Quotation (RFQ) for STM8S207S6T3C 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 STM8S207S6T3C reliable?
The price and inventory of STM8S207S6T3C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM8S207S6T3C is usually 5 days.
3.What payment methods are accepted for STM8S207S6T3C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM8S207S6T3C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM8S207S6T3C?
STM8S207S6T3C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM8S207S6T3C 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 STM8S207S6T3C?
For technical support, including STM8S207S6T3C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM8S207S6T3C requirements.
6.How does Aetrix verify that STM8S207S6T3C is sourced from the original manufacturer or authorized distributors?
All STM8S207S6T3C 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 STM8S207S6T3C meets industry standards.
7.What is the process for return or replacement of STM8S207S6T3C?
All STM8S207S6T3C units undergo pre-shipment inspection (PSI). If there is an issue with STM8S207S6T3C, 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 STM8S207S6T3C part is unused and in its original packaging.
Return procedure for STM8S207S6T3C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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