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STMicroelectronics STM8S207S8T6C
- Part No.:
- STM8S207S8T6C
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 44-LQFP
- Datasheet:
-
STM8S207S8T6C.pdf
- Description:
- IC MCU 8BIT 64KB FLASH 44LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,880
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Product details
Overview
STM8S207S8T6C from STMicroelectronics is an 8-bit high-performance microcontroller featuring a Harvard-architecture STM8 core, 24 MHz max CPU frequency, 64 KB Flash, 2 KB data EEPROM, 10-bit ADC with 16 channels, dual UARTs (one CAN-capable), SPI, I²C, and integrated CAN 2.0B controller - deployed in automotive body control modules and industrial sensor nodes requiring deterministic real-time response.
For engineers reviewing the STM8S207S8T6C datasheet, STM8S207S8T6C pinout, STM8S207S8T6C application, or STM8S207S8T6C equivalent, key selection considerations include CAN bus integration, SWIM single-wire debug support, 68 I/O capability in LQFP80, low-power active-halt mode (0.35 µA), and 96-bit unique ID for firmware binding.
Technical Context
The STM8S207S8T6C implements a 3-stage pipelined Harvard architecture core with extended instruction set and nested interrupt controller supporting 32 interrupts and up to 37 external IRQs across 6 vectors. Its clock system integrates user-trimmable 16 MHz RC, 128 kHz low-power RC, and crystal oscillator with clock security monitor.
Peripheral subsystems include an advanced 16-bit TIM1 timer with dead-time insertion and complementary outputs for motor control, two 16-bit general-purpose timers (TIM2/TIM3), an 8-bit basic timer (TIM4), beCAN 2.0B interface operating at 1 Mbit/s, and UARTs supporting LIN 2.1 master/slave with automatic resynchronization.
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 cycle-counted execution for real-time control loops. |
| Flash Memory | 64 KB program Flash with 20-year data retention at 55 °C after 10 kcycles - supports field firmware updates without degradation in harsh environments. |
| Data EEPROM | 2 KB true data EEPROM rated for 300 kcycles endurance - stores calibration data, device configuration, and runtime counters reliably across product lifetime. |
| CAN Interface | beCAN 2.0B compliant controller with 1 Mbit/s operation and message filtering - provides robust automotive-grade serial communication with hardware mailbox management. |
| ADC Resolution | 10-bit SAR ADC with up to 16 input channels and internal reference - delivers precise analog sensing for temperature, voltage, and current monitoring in embedded systems. |
| Supply Voltage | 2.95 V to 5.5 V operating range - allows direct interfacing with 3.3 V and 5 V logic domains and battery-powered operation down to 3 V. |
| Debug Interface | Single Wire Interface Module (SWIM) with non-intrusive debugging - enables full flash programming and real-time variable inspection using only one pin. |
Pinout & Package
LQFP80 package (14 × 14 mm, 0.5 mm pitch) with 68 I/O pins including 18 high-sink outputs, dedicated SWIM debug pin (PD0), NRST reset, VCAP decoupling capacitor terminal, and separate VDDA/VSSA for analog domain isolation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PD0 / SWIM | Single-wire debug interface | Enables full programming, breakpointing, and memory access via one bidirectional pin - eliminates need for JTAG header space. |
| PA0–PA7, PB0–PB7, PC0–PC7, PD0–PD7, PE0–PE7, PF0–PF7, PG0–PG7, PH0–PH7 | General-purpose I/O | 68 total GPIOs with configurable pull-up/pull-down, alternate functions, and 18 capable of 20 mA sink - supports multiplexed peripheral mapping and robust noise immunity. |
| NRST | Active-low reset input | Asynchronous reset with built-in Schmitt trigger and glitch filtering - ensures reliable power-on and brown-out recovery without external RC network. |
| VCAP | Capacitor connection for internal regulator | Requires external 1 µF ceramic capacitor to stabilize internal 1.8 V core supply - critical for stable 24 MHz operation and low-noise analog performance. |
| VDDA / VSSA | Analog power/ground | Dedicated analog supply pins isolate ADC and reset circuitry from digital noise - improves 10-bit conversion accuracy and reduces offset drift. |
Key Features
| Feature | Design Value |
|---|---|
| beCAN 2.0B Controller | Integrated CAN transceiver interface with 32 message objects, programmable bit timing, and automatic retransmission - eliminates external CAN PHY for cost-sensitive nodes. |
| Low-Power Modes | Wait (1.3 µA), active-halt (0.35 µA), and halt (0.25 µA) modes with selective peripheral clock gating - extends battery life in always-on sensor applications. |
| Timers with Complementary Outputs | TIM1 supports 3 complementary PWM outputs with programmable dead-time insertion - enables direct driving of 3-phase inverter bridges without external gate drivers. |
| Unique 96-bit ID | Factory-programmed immutable identifier per device - used for secure firmware licensing, anti-cloning, and device-specific parameter storage. |
| Robust I/O Design | I/Os withstand ±5 kV HBM ESD and resist current injection up to 100 mA - ensures reliability in industrial control panels with long cable runs and relay switching. |
Applications
| Automotive Body Control Unit (BCU) | Industrial Motor Drive Interface |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Main MCU executing LIN slave protocol over UART3, managing PWM-driven actuators via TIM1, and reading potentiometer feedback via ADC. Use Value: Integrated beCAN and LIN support reduce BOM count; 64 KB Flash accommodates multi-function firmware with OTA update capability. |
Use Scenario: Compact BLDC motor controller for HVAC blowers and pump drives in factory automation equipment. IC Role / Device Role / Timing Role: Real-time commutation engine using TIM1's complementary PWM outputs with dead-time control, synchronized to hall sensor inputs on GPIO. Use Value: Hardware-accelerated motor timing eliminates software jitter; 10-bit ADC monitors phase current and DC bus voltage with <±2 LSB INL. |
| Smart Energy Meter Front-End | Medical Patient Monitor Sensor Node |
Use Scenario: AC mains monitoring module measuring voltage, current, and power factor in DIN-rail mounted electricity meters. IC Role / Device Role / Timing Role: Isolated ADC interface processor sampling CT/PT signals at 10 kSPS, computing RMS values, and communicating via UART1 to host MCU. Use Value: 2 KB EEPROM stores meter calibration coefficients across 10+ years; SWIM debug enables field firmware patching without disassembly. |
Use Scenario: Portable vital sign acquisition node capturing ECG, SpO₂, and temperature for wireless telemetry to central station. IC Role / Device Role / Timing Role: Low-power sensor aggregator using active-halt mode between 100 Hz ADC samples, waking via auto-wakeup timer for synchronous data capture. Use Value: 0.35 µA active-halt current extends coin-cell battery life beyond 2 years; 96-bit UID binds encrypted sensor data to patient ID. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM8S207M8T6 | Same core and peripherals but in LQFP64 (48 I/O, no VCAP pin); 64 KB Flash, identical EEPROM/ADC/CAN specs. | Suitable for space-constrained designs where 68 I/O and analog isolation are not required - e.g., compact remote I/O modules. | Select when PCB area is limited and full LQFP80 I/O count is unnecessary; verify VCAP omission does not impact analog stability. |
| STM8S005K6T3C | Entry-line variant: 32 KB Flash, no CAN, 1 UART, 10-bit ADC (10 ch), LQFP32 package - lower cost, reduced feature set. | Targeted at simple sensor nodes or LED controllers where CAN and dual UART are unused - e.g., smart lighting sub-units. | Choose for cost-sensitive, non-networked applications; avoid if CAN, LIN, or >10 ADC channels are mandatory. |
Compared with STM8S207M8T6, the STM8S207S8T6C offers higher I/O density and analog domain separation critical for mixed-signal precision; versus STM8S005K6T3C, it delivers full automotive communication stack support and 2× Flash capacity for complex firmware.
Availability
STM8S207S8T6C is available at Aetrix Electronics and suitable for automotive body electronics, industrial motor interfaces, smart energy metering, and medical sensor nodes requiring stable component supply across extended product lifecycles.
Supply support for STM8S207S8T6C 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 for industrial, automotive, and consumer markets.
The STM8S Performance line targets cost-sensitive, high-reliability embedded applications demanding CAN/LIN connectivity, robust I/O, and long-term supply assurance - especially in automotive body electronics and industrial control.
FAQ
What is the maximum operating frequency and associated voltage requirement for the STM8S207S8T6C?
The STM8S207S8T6C achieves 24 MHz CPU operation at VDD ≥ 3.0 V, with zero wait states up to 16 MHz at VDD ≥ 2.95 V. At 24 MHz, minimum VDD is 3.0 V per electrical characteristics Table 18; operation below this risks timing violation and undefined behavior.
Does the STM8S207S8T6C require an external crystal for CAN communication?
No - the beCAN 2.0B controller operates independently of the system clock source. It uses its own internal timing logic synchronized to the APB clock, which may derive from HSE, HSI, or LSI. External crystal is optional and only needed for precise timing-critical applications like LIN master mode.
How is the 96-bit unique ID accessed and used in firmware?
The 96-bit ID resides in read-only memory at addresses 0x4865–0x486A and is accessible via standard MOV instruction or C pointer dereference. It is commonly used to generate device-specific encryption keys, bind firmware images, or implement license enforcement without external secure elements.
What debug tools are compatible with the SWIM interface on this MCU?
ST-LINK/V2 and ST-LINK/V2-1 debug probes fully support SWIM protocol for STM8S devices. Compatible IDEs include ST Visual Develop (STVD), Cosmic C compiler toolchain, and IAR Embedded Workbench for STM8 - all enabling flash programming, real-time register inspection, and hardware breakpoints.
STM8S207S8T6C 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:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 1.5K 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM8S207S8T6C FAQ
1.How can I place an order for STM8S207S8T6C through Aetrix?
Please submit a Request for Quotation (RFQ) for STM8S207S8T6C 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 STM8S207S8T6C reliable?
The price and inventory of STM8S207S8T6C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM8S207S8T6C is usually 5 days.
3.What payment methods are accepted for STM8S207S8T6C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM8S207S8T6C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM8S207S8T6C?
STM8S207S8T6C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM8S207S8T6C 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 STM8S207S8T6C?
For technical support, including STM8S207S8T6C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM8S207S8T6C requirements.
6.How does Aetrix verify that STM8S207S8T6C is sourced from the original manufacturer or authorized distributors?
All STM8S207S8T6C 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 STM8S207S8T6C meets industry standards.
7.What is the process for return or replacement of STM8S207S8T6C?
All STM8S207S8T6C units undergo pre-shipment inspection (PSI). If there is an issue with STM8S207S8T6C, 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 STM8S207S8T6C part is unused and in its original packaging.
Return procedure for STM8S207S8T6C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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