STM8S208C6T3 - 24MHz 8-Bit MCU, 32KB Flash | STMicroelectronics
Référence : STM8S208C6T3 ✓ ActifSTM8S208C6T3 Présentation
A microcontroller is a programmable semiconductor that combines a CPU core, nonvolatile program memory, data memory, and peripherals on one integrated circuit. The STM8S208 belongs to the STM8S20xxx performance line, where the 8-bit MCU family belongs to the broader microcontroller, embedded-processing, and semiconductor hierarchy. Its combination of communication peripherals and integrated analog conversion supports industrial controls, communications equipment, and compact consumer products.
The STM8S208C6T3 differentiates itself through its 24 MHz operating frequency, 32 KB Flash organization, and extensive peripheral set. Two UART channels allow simultaneous serial communication, while SPI and I²C support expansion and sensor connectivity. The integrated CAN controller is particularly useful for embedded networking, and the 10-bit ADC permits direct analog-signal measurement without a separate converter in many designs.
The device uses an 8-bit STM8 architecture and is intended for embedded systems requiring deterministic control across multiple standard interfaces. Its 32 KB Flash capacity provides room for application firmware, while integrated EEPROM supports nonvolatile parameter storage. The exact RAM capacity, operating-temperature limits, ADC conversion rate, timer channels, and electrical characteristics require confirmation in the manufacturer datasheet before a production design is released.
Typical applications include CAN-connected industrial controllers, serial gateways, motor and valve control systems, compact instrumentation, and CAN bus accessories. In these systems, the MCU can sample analog inputs through the 10-bit ADC, execute control logic, and communicate with external sensors or actuators through UART, SPI, I²C, or CAN. This integration reduces the number of external components and simplifies firmware architecture.
Design layouts should place decoupling capacitors close to the supply pins, preserve adequate ground-plane continuity beneath the LQFP, and route sensitive analog inputs away from high-current switching nodes. Firmware should also define reset, watchdog, communication timeout, and peripheral initialization behavior before enabling application-level control loops.
This product summary consolidates the verified STM8S208C6T3 characteristics, interface capabilities, application guidance, and drop-in family options into an engineering-focused resource that extends beyond a basic distributor listing.
Alternatives de remplacement direct pour STM8S208C6T3 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM8S208C6T3 (même facteur de forme et même empreinte) — différant par ADC Resolution, Integrated EEPROM.
STM8S208C6T6
✅ Remplacement direct ⚠️ Spécifications non vérifiéesContactez-nous pour le prix
Voir la fiche technique →STM8S207C6T6
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM8S208C6T3 Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit microcontroller |
| Product Series | STM8S20xxx performance line |
| Maximum CPU Frequency | 24 MHz |
| Program Memory Size | 32 KB Flash |
| Program Memory Organization | 32K x 8 bits |
| Core Architecture | 8-bit STM8 CISC |
| Tension d'alimentation de fonctionnement | 3.3 V to 5 V |
| ADC Resolution | 10 bits |
| UART Interface Count | 2 |
| SPI Interface | 1 |
| I²C Interface | 1 |
| CAN Interface | 1 |
| Integrated EEPROM | Present |
| Timer Support | General-purpose timers |
| Package Type | 48-pin LQFP |
| Package Body Size | 7 x 7 mm |
| Type de montage | Surface mount |
| Shipping Format | Tray |
Guide de configuration des broches du STM8S208C6T3 7 x 7 mm
Configuration des broches du STM8S208C6T3 (boîtier 7 x 7 mm). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour STM8S208C6T3.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
STM8S208C6T3 convient pour 6 applications: CAN-Connected Industrial Controller, Serial Gateway and Protocol Converter, Compact Sensor and Data-Acquisition Module, Motor and Valve Control Subsystem, Automotive or Equipment-Side Auxiliary Module, Compact Instrumentation Front End.
CAN-Connected Industrial Controller
The STM8S208C6T3 fits compact CAN nodes because it combines a 24 MHz 8-bit core, 32 KB Flash, and an integrated CAN controller. It can execute control and supervisory logic while exchanging cyclic or diagnostic data over a CAN network. The 10-bit ADC also allows the same controller to monitor pressure, temperature, or level inputs. A separate CAN transceiver is required for the physical bus, and the completed controller must be validated for EMC, grounding, and its specified temperature grade.
Recommandé
Serial Gateway and Protocol Converter
The STM8S208C6T3 is suitable for a small serial gateway because two UART channels can manage local host and equipment connections while SPI or I²C interfaces access sensors or expansion devices. Its 32 KB Flash provides dedicated space for protocol conversion and buffering firmware. With a 24 MHz core, the device can service multiple deterministic communication tasks while monitoring status inputs through the integrated 10-bit ADC. Firmware should include frame validation, timeout handling, and bus-specific electrical isolation where required.
Recommandé
Compact Sensor and Data-Acquisition Module
The STM8S208C6T3 supports compact sensor modules that need local conversion and two communication paths. Its 10-bit ADC can acquire analog sensor signals, while I²C and SPI accommodate digital sensors, memory, or display peripherals. The 32 KB Flash can hold acquisition setup, calibration, filtering, and reporting routines, and the two UARTs provide configuration and data-output channels. Designers should define input ranges, sampling behavior, reference-voltage accuracy, and calibration storage before treating the module as a precision measurement instrument.
Recommandé
Motor and Valve Control Subsystem
The STM8S208C6T3 can serve as the control engine for a small motor, actuator, or valve subsystem because it integrates timers, multiple serial interfaces, and a 10-bit ADC. Timer resources can generate timing references, while analog inputs can monitor current, position sensors, or supply conditions. UART, SPI, or I²C can connect to a remote driver or sensor. Power transistors and protection circuitry remain external, and the final design must address safe state behavior when communication is lost or the MCU resets.
Recommandé
Automotive or Equipment-Side Auxiliary Module
The STM8S208C6T3 is appropriate for auxiliary control modules that need flexible serial connectivity and mixed analog and digital I/O without a high-performance application processor. The 32 KB Flash, two UARTs, CAN, SPI, and I²C support configuration, diagnostics, and peripheral management. Its 10-bit ADC can monitor simple sensors or board conditions. The ordering suffix must be matched to the required environmental grade, and any automotive use requires qualification of the finished module rather than reliance on a microcontroller temperature grade alone.
Recommandé
Compact Instrumentation Front End
The STM8S208C6T3 fits a compact instrumentation front end where a dedicated processor would be unnecessary but mixed sensing and communications are useful. Its 10-bit ADC handles basic analog measurements, while the three standard serial interfaces support sensors, calibration equipment, and a host connection. The 24 MHz core provides sufficient throughput for control, filtering, and configuration logic within the 32 KB Flash constraint. Measurement accuracy depends on reference design, analog front-end design, grounding, calibration, and correct use of the device's specified electrical limits.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM8S208C6T3 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM8S208C6T6 | STM8S207C6T6 |
|---|---|---|---|
| Package | 48-pin LQFP (7 x 7 mm) | 48-pin LQFP (7 x 7 mm) - same | 48-pin LQFP (7 x 7 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Architecture | 8-bit STM8 CISC | 8-bit STM8 CISC | 8-bit STM8 CISC |
| Maximum CPU Frequency | 24 MHz | 24 MHz | 24 MHz |
| Flash Memory | 32 KB | 32 KB | 32 KB |
| Operating Supply Voltage | 3.3 V to 5 V | 3.3 V to 5 V | 3.3 V to 5 V |
| Temperature Grade | T3 suffix | T6 suffix | T6 suffix |
Principaux différenciateurs
- Identifies a complete mixed-peripheral control platform (vs STM8S207C6T6)
- Combines 32 KB Flash with integrated analog conversion (vs STM8S208C6T6)
- Provides a documented T3-grade ordering option (vs STM8S207C6T6)
Notes de conception
Use a compact LQFP-48 land pattern with a continuous ground plane beneath the device where the package and assembly process permit it. Place the required supply bypass capacitors adjacent to their designated VDD and VSS pins, and route high-current outputs away from the 10-bit ADC input routing. Confirm every pad, exposed function, and pin number against the STM8S208C6 family package drawing before releasing the PCB footprint.
Design the 3.3 V or 5 V supply with enough startup and transient margin for the MCU and its attached communications circuitry. Include local high-frequency bypass plus bulk energy close to the board's supply entry points, and keep switching-regulator or motor-drive return currents out of the MCU ground region. Use the manufacturer electrical characteristics to select capacitor voltage ratings, tolerances, and ESR or X7R characteristics appropriate for the actual bias and temperature range.
Treat analog inputs, CAN, UART, SPI, and I²C as separate signal domains during layout. Keep analog traces short, shield them from switching nodes, and provide a solid, low-impedance reference path. External CAN and RS-232 or RS-485 interfaces require their own protection and isolation design; the MCU's integrated controller does not replace the physical transceiver, termination, surge protection, or common-mode engineering required by the finished product.
Do not approve a substitute by footprint alone. STM8S208C6T6 and STM8S207C6T6 use the same 48-pin LQFP format and match the 24 MHz and 32 KB Flash figures, but the temperature suffix and peripheral allocation can still change design suitability. Compare reset, programming, power, ground, timer, and communication pins; then review register compatibility and boot behavior in firmware. Record the exact suffix and packaging form in the approved BOM.
Informations de conformité
No specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statement is present in the verified product information. These fields remain unknown rather than inferred.