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STMicroelectronics STM8S207K6T3C
- Part No.:
- STM8S207K6T3C
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
STM8S207K6T3C.pdf
- Description:
- IC MCU 8BIT 32KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:163
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Product details
Overview
STM8S207K6T3C from STMicroelectronics is a high-performance 8-bit microcontroller featuring an advanced STM8 core (Harvard architecture, 3-stage pipeline), 24 MHz max CPU frequency, 32 KB Flash, 1 KB EEPROM, 2 KB RAM, integrated CAN 2.0B controller, and 10-bit ADC with 16 channels - deployed in automotive body control modules for LIN/CAN gateway functions.
For engineers reviewing the STM8S207K6T3C datasheet, STM8S207K6T3C pinout, STM8S207K6T3C application, or STM8S207K6T3C equivalent, key selection criteria include CAN/LIN dual-protocol support, SWIM single-wire debug interface, 2.95–5.5 V wide supply range, and LQFP32 package compatibility with space-constrained automotive ECUs.
Technical Context
The STM8S207K6T3C implements a Harvard-architecture 8-bit core with 20 MIPS throughput at 24 MHz, supporting zero-wait-state execution up to 16 MHz. Its clock system integrates trimmable 16 MHz RC, low-power 128 kHz RC, and external crystal oscillator with clock security monitoring.
Peripheral integration includes one active beCAN 2.0B controller (1 Mbit/s), two UARTs (one with LIN 2.1 master/slave support), SPI (10 Mbit/s), I²C (400 kbit/s), and three 16-bit timers (TIM1 advanced, TIM2/TIM3 general-purpose) with complementary PWM outputs and dead-time insertion for motor control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | STM8 8-bit Harvard core with 3-stage pipeline; enables deterministic real-time interrupt latency and efficient code density. |
| Max CPU Frequency | 24 MHz with 0 wait states ≤16 MHz; supports real-time response in safety-critical automotive timing windows. |
| Flash Memory | 32 KB program Flash with 20-year data retention at 55 °C after 10k cycles; sufficient for dual-firmware OTA update partitions. |
| Data EEPROM | 1 KB true data EEPROM (300k write/erase endurance); stores calibration data, fault logs, and configuration without external NV memory. |
| CAN Interface | beCAN 2.0B compliant, 1 Mbit/s bit rate; enables direct connection to vehicle CAN backbone without protocol translation. |
| ADC Resolution | 10-bit SAR ADC with up to 16 input channels and internal reference; supports simultaneous sampling of battery voltage, temperature, and sensor inputs. |
| Supply Voltage | 2.95–5.5 V operating range; accommodates automotive battery transients (cold crank, load dump) without external regulators. |
| Debug Interface | Single Wire Interface Module (SWIM); enables full-speed debugging and programming via 1-pin physical connection for board-level test access. |
Pinout & Package
LQFP32 package (7 × 7 mm, 0.8 mm pitch), thermally enhanced for automotive ambient temperatures up to 125 °C junction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply (core & I/O) | Accepts 2.95–5.5 V; decoupled via 100 nF ceramic capacitor per VDD pin for EMI suppression in noisy automotive environments. |
| VSS | Ground reference | Dedicated analog/digital ground pins reduce coupling noise between ADC and digital logic domains. |
| NRST | Active-low reset input | Internal pull-up + external RC filter ensures reliable power-on reset and glitch immunity during battery voltage sag. |
| PA0–PA7 | General-purpose I/O port A | Configurable as GPIO, UART1 TX/RX, SPI NSS/SCK/MOSI/MISO, or ADC channel inputs; 18 mA sink capability on select pins. |
| PB0–PB7 | General-purpose I/O port B | Supports TIM1/2/3 channels, beCAN TX/RX, I²C SCL/SDA, and SWIM debug; includes alternate function remapping for flexible PCB routing. |
| PC0–PC7 | General-purpose I/O port C | Provides UART3, LIN, and additional ADC inputs; high sink strength (20 mA) enables direct LED drive or relay coil control. |
| PD0–PD7 | General-purpose I/O port D | Timers, beCAN, and system clocks; PD5/PD6 serve as CAN TX/RX with integrated Schmitt triggers for bus noise rejection. |
Key Features
| Feature | Design Value |
|---|---|
| beCAN 2.0B Controller | Hardware mailbox management, 16 message objects, automatic retransmission, and error confinement - reduces CPU overhead in multi-node networks. |
| LIN 2.1 Master/Slave Mode | UART3 with automatic sync break detection and checksum generation - eliminates need for external LIN transceivers in sub-system nodes. |
| SWIM Debug Interface | Single-pin, non-intrusive debugging at full speed; supports flash erase/program, register read/write, and breakpoint execution without halting peripherals. |
| Low-Power Modes | Wait, active-halt, and halt modes with individual peripheral clock gating; achieves 1.5 µA halt current at 3.3 V for battery-backed sleep states. |
| Robust I/O Design | Immunity to ±5 kV HBM ESD and 100 mA current injection; sustains operation in harsh automotive harness environments with minimal external protection. |
| 96-bit Unique ID | Factory-programmed serial number accessible via memory-mapped register; enables secure device authentication and firmware binding. |
Applications
| Automotive Body Control Unit (BCU) | Industrial CAN Gateway |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, lighting, and mirror adjustment in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Primary MCU executing LIN slave communication with actuators and CAN master coordination with instrument cluster. Use Value: Integrated LIN/CAN eliminates dual-transceiver BOM cost; 32 KB Flash hosts both application and bootloader with CRC validation. |
Use Scenario: Protocol bridge between legacy RS-485 field devices and modern CANopen-based PLC networks. IC Role / Device Role / Timing Role: Real-time message forwarding engine with timestamped CAN frame buffering and configurable arbitration ID mapping. Use Value: Hardware CAN mailbox filtering offloads CPU; 2 KB RAM provides 128-frame FIFO for burst traffic without packet loss. |
| Smart HVAC Actuator | Two-Wheel Vehicle Telematics Node |
Use Scenario: Position feedback and motor control for damper actuators in commercial HVAC systems. IC Role / Device Role / Timing Role: Closed-loop servo controller using TIM1 complementary PWM with dead-time insertion and ADC-based current sensing. Use Value: On-chip 10-bit ADC with hardware trigger synchronization enables precise current loop sampling at 100 kHz without software overhead. |
Use Scenario: GPS-enabled telematics module in scooters/mopeds with crash detection, geofencing, and remote diagnostics. IC Role / Device Role / Timing Role: Low-power host MCU managing GNSS UART, accelerometer I²C, CAN bus telemetry, and GSM modem control. Use Value: 1.5 µA halt mode extends battery life >6 months; SWIM interface enables field firmware updates via service tool. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM8S207C6T3 | LQFP48 package (48 pins), 32 KB Flash, identical peripheral set but larger footprint and higher I/O count (up to 38 GPIO). | Suitable for designs requiring more ADC channels, UARTs, or external memory interface signals not available on LQFP32. | Select when board layout allows larger package and additional I/Os are needed for sensor expansion or display interface. |
| STM8AF5269TAY | Automotive-grade (AEC-Q100 Grade 1), same LQFP32 package, 32 KB Flash, but adds EEPROM emulation library and extended temperature range (−40 to 125 °C). | Required for under-hood applications where ambient temperature exceeds 105 °C or ISO 26262 ASIL-B compliance is mandated. | Choose for production automotive systems needing certified reliability; not drop-in due to different option byte configuration and debug signature. |
Compared with STM8S207C6T3, the STM8S207K6T3C saves PCB area and cost in compact nodes; versus STM8AF5269TAY, it trades automotive qualification for lower unit price and simpler qualification path in cabin/non-safety systems.
Availability
STM8S207K6T3C is available at Aetrix Electronics and suitable for automotive body electronics, industrial CAN gateways, and smart actuator control requiring stable component supply across multi-year production cycles.
Supply support for STM8S207K6T3C 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 ICs, sensors, and analog components since 1987.
The STM8S series targets cost-sensitive, high-reliability 8-bit embedded applications in automotive, industrial, and appliance markets, emphasizing robustness, low-power operation, and toolchain maturity.
FAQ
Does STM8S207K6T3C support CAN FD?
No. The STM8S207K6T3C integrates only classic beCAN 2.0B (ISO 11898-1), supporting up to 1 Mbit/s with standard 11-bit identifiers. It lacks CAN FD features such as flexible data-rate, extended identifiers, or payload lengths beyond 8 bytes. For CAN FD, consider ST's SPC5 or STM32G4 families.
What is the maximum allowed crystal frequency for the HSE oscillator?
The external high-speed crystal oscillator (HSE) supports frequencies from 1 to 24 MHz. When used with the STM8S207K6T3C's PLL, the maximum achievable CPU frequency remains 24 MHz - no higher, even with >24 MHz crystals - due to internal frequency divider constraints and electrical timing limits.
Can the internal 16 MHz RC oscillator be calibrated for improved accuracy?
Yes. The internal high-speed RC (HSI) oscillator is user-trimmable via the CLK_HSITRIMR register, allowing ±1% fine-tuning across process and temperature variations. Calibration is performed at boot using an external reference clock or factory-trimmed value stored in option bytes.
Is SWIM debug compatible with JTAG or ST-LINK v2?
SWIM is ST's proprietary single-wire debug protocol and is not electrically or logically compatible with JTAG. However, ST-LINK v2 and later adapters fully support SWIM - no additional hardware is required. Debug tools like ST Visual Develop and STM8CubeIDE use SWIM over ST-LINK for flash programming and real-time variable inspection.
STM8S207K6T3C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 32-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:
- 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:
STM8S207K6T3C FAQ
1.How can I place an order for STM8S207K6T3C through Aetrix?
Please submit a Request for Quotation (RFQ) for STM8S207K6T3C 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 STM8S207K6T3C reliable?
The price and inventory of STM8S207K6T3C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM8S207K6T3C is usually 5 days.
3.What payment methods are accepted for STM8S207K6T3C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM8S207K6T3C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM8S207K6T3C?
STM8S207K6T3C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM8S207K6T3C 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 STM8S207K6T3C?
For technical support, including STM8S207K6T3C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM8S207K6T3C requirements.
6.How does Aetrix verify that STM8S207K6T3C is sourced from the original manufacturer or authorized distributors?
All STM8S207K6T3C 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 STM8S207K6T3C meets industry standards.
7.What is the process for return or replacement of STM8S207K6T3C?
All STM8S207K6T3C units undergo pre-shipment inspection (PSI). If there is an issue with STM8S207K6T3C, 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 STM8S207K6T3C part is unused and in its original packaging.
Return procedure for STM8S207K6T3C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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