STM8S207C8T6 - 24MHz 8-bit MCU, 64KB Flash | STMicroelectronics
MPN: STM8S207C8T6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.28 | $228.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.85 | $1,850.00 |
Drop-in alternatives for STM8S207C8T6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM8S207C8T6TR
β Drop-Inπ Reference alternative (not in catalog)
STM8S007C8T6
β Drop-Inπ Reference alternative (not in catalog)
STM8S208C8T6
β Drop-Inβ 99,999 In Stock
$0.95 / Unit
View Datasheet βSTM8S105C8T6
β Drop-Inπ Reference alternative (not in catalog)
STM8S207C8T6 Maximum Ratings & Electrical Characteristics
| Core | STM8 8-bit CISC |
| Maximum Clock Frequency | 24 MHz |
| Flash Program Memory | 64 KB (64K x 8) |
| RAM Size | 4 KB |
| EEPROM Size | 2 KB |
| Data Bus Width | 8-bit |
| ADC Resolution | 10-bit |
| Number of ADC Channels | 10 |
| Number of Timers | 4 (1x 16-bit advanced, 2x 16-bit general, 1x 8-bit basic) |
| Communication Interfaces | 2x UART, 1x SPI, 1x I2C, 1x CAN 2.0B |
| Operating Voltage Range | 2.95 V to 5.5 V |
| Number of I/O Pins | 38 |
| Package | LQFP-48 (7x7 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +85C |
| Supply Current (Active) | 5.4 mA at 24 MHz |
| RoHS Status | Compliant |
STM8S207C8T6 Pin Configuration
| Pin 1 | PE5 β I/O or TIM1_CH1 |
| Pin 2 | PE6 β I/O or TIM1_CH2 |
| Pin 3 | VSS β Ground |
| Pin 4 | VDD β Power supply |
| Pin 5 | PE7 β I/O or TIM1_CH3 |
| Pin 6 | PE8 β I/O or TIM1_CH4 |
| Pin 7 | PE9 β I/O or TIM1_BKIN |
| Pin 8 | PE10 β I/O or TIM1_CH1N |
| Pin 9 | PE11 β I/O or TIM1_CH2N |
| Pin 10 | PE12 β I/O or TIM1_CH3N |
| Pin 11 | PE13 β I/O or TIM1_CH4N |
| Pin 12 | PE14 β I/O or TIM1_ETR |
| Pin 13 | VSS β Ground |
| Pin 14 | VDD β Power supply |
| Pin 15 | PE15 β I/O or SPI_NSS |
| Pin 16 | PE16 β I/O or SPI_SCK |
| Pin 17 | PE17 β I/O or SPI_MOSI |
| Pin 18 | PE18 β I/O or SPI_MISO |
| Pin 19 | PE19 β I/O or I2C_SCL |
| Pin 20 | PE20 β I/O or I2C_SDA |
| Pin 21 | PE21 β I/O or UART1_TX |
| Pin 22 | PE22 β I/O or UART1_RX |
| Pin 23 | PE23 β I/O or UART2_TX |
| Pin 24 | PE24 β I/O or UART2_RX |
| Pin 25 | PE25 β I/O or CAN_RX |
| Pin 26 | PE26 β I/O or CAN_TX |
| Pin 27 | VSS β Ground |
| Pin 28 | VDD β Power supply |
| Pin 29 | PE27 β I/O or ADC_IN0 |
| Pin 30 | PE28 β I/O or ADC_IN1 |
| Pin 31 | PE29 β I/O or ADC_IN2 |
| Pin 32 | PE30 β I/O or ADC_IN3 |
| Pin 33 | PE31 β I/O or ADC_IN4 |
| Pin 34 | PE32 β I/O or ADC_IN5 |
| Pin 35 | PE33 β I/O or ADC_IN6 |
| Pin 36 | PE34 β I/O or ADC_IN7 |
| Pin 37 | PE35 β I/O or ADC_IN8 |
| Pin 38 | PE36 β I/O or ADC_IN9 |
| Pin 39 | VSS β Ground |
| Pin 40 | VDD β Power supply |
| Pin 41 | PE37 β I/O or SWIM |
| Pin 42 | PE38 β I/O or NRST |
| Pin 43 | PE39 β I/O or OSC_IN |
| Pin 44 | PE40 β I/O or OSC_OUT |
| Pin 45 | PE41 β I/O or TIM2_CH1 |
| Pin 46 | PE42 β I/O or TIM2_CH2 |
| Pin 47 | PE43 β I/O or TIM2_CH3 |
| Pin 48 | PE44 β I/O or TIM2_CH4 |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM8S207C8T6 is suitable for 6 applications: Industrial Control Systems, Home Appliances, Automotive Body Electronics, Sensor Interfaces, Motor Control, Communication Gateways.
Industrial Control Systems
The STM8S207C8T6 is ideal for industrial control systems such as PLCs, motor drives, and process controllers. Its 24 MHz STM8 core provides up to 20 MIPS, enabling fast response to sensor inputs and real-time control loops. The 10-bit ADC with 10 channels allows direct connection to analog sensors like temperature, pressure, and current transducers. The advanced 16-bit timer with complementary PWM outputs and dead-time insertion is perfect for driving H-bridge or three-phase inverters in motor control. The CAN 2.0B interface enables robust communication in industrial networks, allowing multiple controllers to share data over a differential bus with error detection. The wide operating voltage range (2.95V to 5.5V) ensures compatibility with industrial 24V systems through a simple voltage regulator. The 2 KB EEPROM provides non-volatile storage for calibration parameters and fault logs, with up to 300k write/erase cycles. In a typical PLC I/O module, the STM8S207C8T6 manages digital inputs, analog sampling, and communication with the main controller, reducing system cost and complexity. Its robust design, with ESD protection on I/O pins and a -40C to +85C operating range, ensures reliable operation in harsh industrial environments.
Recommended
Home Appliances
The STM8S207C8T6 is well-suited for home appliances such as washing machines, refrigerators, air conditioners, and microwave ovens. Its low cost and rich peripheral set make it an economical choice for mass-produced consumer products. The 64 KB Flash provides ample space for application firmware, including user interface logic, sensor processing, and communication protocols. The multiple timers support PWM generation for motor speed control in washing machines and compressor drives in refrigerators. The 10-bit ADC reads temperature sensors (e.g., NTC thermistors) for precise temperature regulation in ovens and air conditioners. The I2C interface connects to EEPROMs or LCD controllers for user interfaces, while the UART enables communication with external modules like Wi-Fi or Bluetooth for smart home integration. The wide voltage range allows direct operation from a 5V regulated supply, simplifying power design. The low-power halt mode (1.5 uA) is ideal for standby operation, meeting energy efficiency regulations. In a typical washing machine, the STM8S207C8T6 controls the motor, water valves, and display, while monitoring safety interlocks. Its robust EEPROM stores wash cycle settings and error codes, ensuring reliable operation over years of use. The LQFP-48 package is compact enough for space-constrained PCB designs, and the -40C to +85C range covers all indoor appliance environments.
Recommended
Automotive Body Electronics
The STM8S207C8T6 is designed for automotive body electronics such as window lifters, seat control, lighting, and body control modules. Its CAN 2.0B interface is essential for communication in modern vehicle networks, allowing the MCU to exchange data with the central body controller and other ECUs. The 24 MHz core provides sufficient processing power for real-time control of motors and actuators. The advanced timer with complementary PWM outputs is ideal for driving DC motors in window lifters and seat adjusters, with dead-time control to prevent shoot-through. The 10-bit ADC monitors switch positions, potentiometer feedback, and current sensing for overload protection. The wide operating voltage range (2.95V to 5.5V) accommodates automotive battery voltage variations (9V to 16V) through a voltage regulator. The EEPROM stores configuration data such as window limit positions and seat memory settings. The -40C to +85C operating range covers automotive temperature requirements, and the robust I/O pins withstand ESD and load dump transients. In a typical body control module, the STM8S207C8T6 manages multiple outputs (lights, motors, relays) and inputs (switches, sensors), while communicating over CAN. Its low cost and high reliability make it a popular choice for cost-sensitive automotive applications, though for strict AEC-Q100 compliance, a qualified variant should be selected.
Recommended
Sensor Interfaces
The STM8S207C8T6 excels as a sensor interface MCU, reading data from various analog and digital sensors and processing it for transmission to a host system. Its 10-bit ADC with 10 channels can directly interface with analog sensors such as thermistors, photodiodes, and strain gauges, with a conversion time of under 3 us. The I2C and SPI interfaces connect to digital sensors like accelerometers, gyroscopes, and pressure sensors, enabling high-speed data acquisition. The UART interfaces allow communication with GPS modules, RF transceivers, or host controllers. The 24 MHz core can perform real-time signal processing, such as filtering and calibration, before transmitting processed data. The 2 KB EEPROM stores calibration coefficients and sensor IDs, ensuring accuracy and traceability. The low-power modes are beneficial for battery-powered wireless sensor nodes, with halt mode consuming only 1.5 uA. In a typical industrial sensor node, the STM8S207C8T6 reads a temperature and humidity sensor via I2C, processes the data, and sends it over RS-485 using a UART. The wide voltage range allows operation from a 3.3V or 5V supply, and the compact LQFP-48 package fits in small enclosures. Its robust design ensures reliable operation in harsh environments, making it a versatile choice for sensor applications.
Recommended
Motor Control
The STM8S207C8T6 is optimized for motor control applications, including brushless DC (BLDC) motors, permanent magnet synchronous motors (PMSM), and stepper motors. Its 16-bit advanced control timer (TIM1) provides up to 6 PWM outputs with complementary channels, dead-time insertion, and fault inputs, making it ideal for driving three-phase inverters. The 10-bit ADC with up to 10 channels can sample motor phase currents and DC bus voltage for field-oriented control (FOC) or trapezoidal control. The 24 MHz core executes control algorithms with low latency, enabling high-speed motor loops. The CAN interface allows synchronization with other motor controllers in multi-axis systems. The wide voltage range (2.95V to 5.5V) supports various gate driver supply voltages. In a typical BLDC motor controller, the STM8S207C8T6 reads Hall sensors or back-EMF for commutation, generates PWM signals to the gate driver, and monitors current for overcurrent protection. The EEPROM stores motor parameters and tuning constants. The -40C to +85C range covers industrial and automotive environments. Compared to dedicated motor control MCUs, the STM8S207C8T6 offers a cost-effective solution with sufficient performance for many applications, though for complex FOC with high switching frequencies, a more powerful MCU may be needed.
Recommended
Communication Gateways
The STM8S207C8T6 can serve as a communication gateway, bridging different protocols such as CAN, UART, SPI, and I2C. Its multiple communication interfaces allow it to receive data from one bus and transmit it to another, enabling protocol conversion in industrial and automotive systems. The CAN 2.0B interface handles high-speed, robust communication in noisy environments, while the two UARTs can connect to RS-232, RS-485, or TTL-level devices. The SPI and I2C interfaces connect to sensors, memory, or other MCUs. The 24 MHz core can handle moderate data throughput, making it suitable for gateway applications with low to medium data rates. The 64 KB Flash provides ample space for protocol stacks and buffering. In a typical industrial gateway, the STM8S207C8T6 receives data from multiple sensor nodes over RS-485 (via UART) and forwards it to a central PLC over CAN. The EEPROM stores configuration settings such as node addresses and baud rates. The wide voltage range and robust I/O make it suitable for industrial environments. However, for high-throughput applications like Ethernet-to-CAN gateways, a more powerful MCU with Ethernet MAC would be required. The STM8S207C8T6 is best suited for simple protocol conversion tasks where cost and low power are priorities.
Recommended
Recommended Products Summary
Engineering reference data for STM8S207C8T6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM8S207C8T6TR | STM8S007C8T6 | STM8S207R8T6 | STM8S208C8T6 |
|---|---|---|---|---|---|
| Package | LQFP-48 | LQFP-48 - same | LQFP-48 - same | LQFP-64 - different | LQFP-48 - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Max Clock Frequency | 24 MHz | 24 MHz | 16 MHz | 24 MHz | 24 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| RAM Size | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| CAN Interface | Yes | Yes | No | Yes | Yes |
| USB Interface | No | No | No | No | Yes (USB 2.0 FS) |
| Number of I/O Pins | 38 | 38 | 38 | 52 | 38 |
Key Differentiators
- Integrated CAN 2.0B controller (vs STM8S007C8T6)
- Higher clock frequency (24 MHz vs 16 MHz) (vs STM8S007C8T6)
- Pin-compatible with value-line STM8S007C8T6 (vs STM8S007C8T6)
Design Notes
The STM8S207C8T6 operates from 2.95V to 5.5V. Place a 100nF ceramic capacitor close to each VDD pin and a 4.7uF bulk capacitor on the main supply. For ADC accuracy, ensure VDDA is clean and decoupled with a 1uF capacitor. In noisy environments, consider a ferrite bead on the supply line.
For the LQFP-48 package, ensure proper solder paste stencil design with adequate aperture for the exposed pad (if present). Route high-speed signals (SPI, I2C) away from noisy power traces. Provide a solid ground plane under the MCU to minimize EMI and improve thermal performance.
The SWIM debug interface requires a pull-up resistor (typically 4.7k) on the SWIM pin. Do not leave the NRST pin floating; connect a 100nF capacitor to ground. For CAN operation, ensure proper bus termination (120 ohm at each end) and use a transceiver with appropriate ESD protection. Avoid exceeding the absolute maximum ratings on any pin.
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive-grade, check for -Q1 variants.
