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STMicroelectronics STM8S207K6T3CTR
- Part No.:
- STM8S207K6T3CTR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
STM8S207K6T3CTR.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,758
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Product details
Overview
STM8S207K6T3CTR from STMicroelectronics is an 8-bit high-performance microcontroller featuring a 24 MHz STM8 core, 32 KB Flash memory, 2 KB data EEPROM, 2 KB RAM, integrated CAN 2.0B interface, 10-bit ADC with 16 channels, and dual UARTs - deployed in automotive body control modules for LIN/CAN gateway functions.
For engineers reviewing the STM8S207K6T3CTR datasheet, STM8S207K6T3CTR pinout, STM8S207K6T3CTR application, or STM8S207K6T3CTR equivalent, key selection criteria include CAN/LIN coexistence, SWIM debug support, 128 kHz/16 MHz dual RC oscillators, and LQFP32 package compatibility with space-constrained PCB layouts.
Technical Context
The STM8S207K6T3CTR implements a Harvard-architecture 8-bit core with 3-stage pipeline and extended instruction set, delivering up to 20 MIPS at 24 MHz with zero wait states below 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 (1 Mbit/s), two UARTs (one supporting LIN 2.1 master/slave with auto-resync), SPI (10 Mbit/s), I²C (400 Kbit/s), and three timers: TIM1 (advanced 16-bit with dead-time insertion), TIM2/TIM3 (general-purpose 16-bit), and TIM4 (8-bit basic timer).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | STM8 8-bit Harvard core with 3-stage pipeline and 20 MIPS @ 24 MHz - enables deterministic real-time control without cache or MMU overhead. |
| Flash Memory | 32 KB program Flash with 20-year data retention at 55 °C after 10 kcycles - supports field firmware updates and long-life automotive deployment. |
| Data EEPROM | 2 KB true data EEPROM rated for 300 kcycles endurance - stores calibration data, configuration parameters, and counters without external NV memory. |
| CAN Interface | beCAN 2.0B compliant controller with 1 Mbit/s operation and message filtering - enables robust vehicle network communication with hardware mailbox management. |
| ADC | 10-bit SAR ADC with up to 16 input channels and internal reference - provides precise sensor signal acquisition for temperature, voltage, and position sensing. |
| Operating Voltage | 2.95 V to 5.5 V supply range - ensures compatibility with 3.3 V and 5 V automotive subsystems and tolerates battery transients. |
| Low-Power Modes | Wait, active-halt, and halt modes with individual peripheral clock gating - achieves µA-level current draw during sleep while retaining RAM and register state. |
Pinout & Package
LQFP32 package (7 × 7 mm, 0.8 mm pitch) with 25 general-purpose I/Os, including 10 high-sink outputs capable of 20 mA sink per pin - optimized for compact automotive sensors and actuator interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O rail decoupling; VCAP pin requires external 1 µF capacitor for internal regulator stability. |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; accepts Schmitt-triggered signals and supports external reset ICs or manual reset buttons. |
| PA0–PA7 | Port A general-purpose I/O | 8-bit bidirectional port with configurable pull-ups, interrupt-on-change, and alternate functions including TIM1/UART1/SPI/I²C pins. |
| PB0–PB7 | Port B general-purpose I/O | 8-bit port supporting TIM2/TIM3/ADC/UART3 functions; PB5–PB7 serve as high-sink outputs (20 mA) for LED/drivers. |
| PC0–PC7 | Port C general-purpose I/O | 8-bit port with beCAN TX/RX, TIM1, and SWIM debug interface; PC3/PC4 are dedicated CAN bus pins with integrated protection. |
Key Features
| Feature | Design Value |
|---|---|
| Single Wire Interface Module (SWIM) | On-chip debug interface using only one pin (PC7) - eliminates JTAG footprint and enables in-system programming and real-time debugging. |
| beCAN 2.0B Controller | Hardware-based CAN protocol engine with 3 transmit/mailbox buffers and automatic retransmission - reduces CPU load in multi-node networks. |
| Flexible Clock System | Four clock sources (HSI 16 MHz, LSI 128 kHz, HSE crystal, external clock) with dynamic switching and clock monitor - ensures fail-safe timing under EMI or oscillator fault. |
| Robust I/O Design | I/Os immune to current injection up to 50 mA - withstands automotive load dump and ISO 16750-2 electrical stress without external protection. |
| 96-bit Unique ID | Factory-programmed read-only identifier per device - enables secure firmware binding, device authentication, and traceability in production. |
Applications
| Automotive Body Control Unit (BCU) | Industrial LIN Gateway Node |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and interior lighting in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Primary MCU managing CAN message routing, LIN slave coordination, and analog sensor polling via 10-bit ADC. Use Value: Integrated CAN + dual UART + LIN support eliminates external transceivers and reduces BOM count by 3 components per node. |
Use Scenario: Protocol translation between CAN backbone and LIN subnetworks in HVAC or seat control systems. IC Role / Device Role / Timing Role: Bridge controller executing LIN schedule tables, buffering CAN frames, and synchronizing wake-up events across domains. Use Value: Hardware LIN master mode with automatic resynchronization maintains timing accuracy despite bus voltage fluctuations. |
| Smart Sensor Node with EEPROM Logging | Low-Power Industrial Timer Module |
Use Scenario: Temperature/humidity sensor with local data logging and periodic CAN broadcast in factory automation. IC Role / Device Role / Timing Role: Data acquisition MCU using ADC inputs, storing calibrated readings in on-chip EEPROM, and transmitting via UART/CAN. Use Value: 2 KB EEPROM endurance (300 kcycles) enables >10 years of daily logging without wear leveling firmware. |
Use Scenario: Standalone programmable delay/timer for motor start sequencing or safety interlock timing in machinery controls. IC Role / Device Role / Timing Role: Real-time timer using TIM1 advanced PWM with dead-time insertion to drive gate drivers safely. Use Value: Hardware dead-time generation prevents shoot-through in half-bridge power stages without software intervention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM8S207C6T6TR | LQFP48 package (48-pin), 32 KB Flash, same peripherals - adds 12 extra I/Os and second ADC channel. | Preferred where board layout allows larger footprint and additional analog/digital I/O is required. | Select when needing more GPIOs or dual ADC sampling without redesigning PCB keep-out zones. |
| STM8AF5269TAY | Automotive-grade (AEC-Q100 Grade 2), same Flash/RAM, enhanced ESD (±8 kV HBM), wider temp range (−40 to 125 °C). | Required for under-hood or powertrain applications exceeding industrial temperature limits. | Choose for certified automotive deployments where extended temperature and reliability validation are mandatory. |
Compared with STM8S207K6T3CTR, the C6T6TR offers expanded I/O in LQFP48 but increases board area, while the STM8AF5269TAY delivers AEC-Q100 qualification and higher thermal resilience at the cost of non-drop-in pin compatibility and higher unit price.
Availability
STM8S207K6T3CTR is available at Aetrix Electronics and suitable for automotive body electronics, industrial LIN gateways, and smart sensor nodes requiring stable component supply across multi-year production cycles.
Supply support for STM8S207K6T3CTR 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 8-bit embedded applications - emphasizing robustness, integrated peripherals, and toolchain maturity for rapid development of automotive and industrial control systems.
FAQ
Does STM8S207K6T3CTR support in-circuit debugging via SWIM?
Yes - it features a Single Wire Interface Module (SWIM) on PC7, enabling full-speed debugging, flash programming, and real-time variable inspection using ST-LINK/V2 or compatible debuggers. No external debug header is needed; only one dedicated pin and GND are required for connection.
What is the maximum operating frequency at 3.3 V supply?
At 3.3 V, the STM8S207K6T3CTR supports up to 16 MHz CPU frequency with zero wait states, as confirmed by Figure 12 in the datasheet (DocID14733 Rev 13). Operation above 16 MHz requires ≥4.5 V supply to maintain timing margins.
Can the on-chip 128 kHz RC oscillator be used as the system clock source?
Yes - the internal low-power 128 kHz RC oscillator can serve as the system clock, enabling ultra-low-power halt-mode wake-up via Auto-Wakeup Timer. It is factory-trimmed to ±10% accuracy and does not require external components.
Is the CAN interface compatible with ISO 11898-2 physical layer?
No - the STM8S207K6T3CTR contains only the CAN protocol controller (beCAN), not the physical transceiver. An external ISO 11898-2 compliant transceiver (e.g., TJA1042 or SN65HVD230) must be used on the PCB to achieve full CAN bus compliance.
STM8S207K6T3CTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 32-LQFP
- Series:
- STM8S
- Packaging:
- Tape & Reel (TR)
- 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:
- 25
- 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 7x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM8S207K6T3CTR FAQ
1.How can I place an order for STM8S207K6T3CTR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM8S207K6T3CTR 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 STM8S207K6T3CTR reliable?
The price and inventory of STM8S207K6T3CTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM8S207K6T3CTR is usually 5 days.
3.What payment methods are accepted for STM8S207K6T3CTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM8S207K6T3CTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM8S207K6T3CTR?
STM8S207K6T3CTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM8S207K6T3CTR 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 STM8S207K6T3CTR?
For technical support, including STM8S207K6T3CTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM8S207K6T3CTR requirements.
6.How does Aetrix verify that STM8S207K6T3CTR is sourced from the original manufacturer or authorized distributors?
All STM8S207K6T3CTR 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 STM8S207K6T3CTR meets industry standards.
7.What is the process for return or replacement of STM8S207K6T3CTR?
All STM8S207K6T3CTR units undergo pre-shipment inspection (PSI). If there is an issue with STM8S207K6T3CTR, 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 STM8S207K6T3CTR part is unused and in its original packaging.
Return procedure for STM8S207K6T3CTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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