STM32F103C6T6A - 72MHz Cortex-M3 32KB MCU | STMicroelectronics
Référence : STM32F103C6T6A ✓ ActifSTM32F103C6T6A Présentation
A microcontroller is a programmable semiconductor that combines a processor core, memory, and peripherals in one integrated circuit. In the product hierarchy, the STM32F103C6T6A is an MCU, embedded controller, and semiconductor. Its ARM Cortex-M3 RISC core provides deterministic instruction execution while integrated communications and analog peripherals reduce the need for external components in control, monitoring, and communications equipment.
Key features include 72 MHz maximum core frequency, 32 KB Flash, and a 1.25 DMIPS/MHz performance figure. Peripheral integration includes USB, CAN, six timers, and two ADCs. The six communication interfaces support systems that must exchange data through serial or bus-based protocols. The 48-LQFP 7 x 7 mm package is suitable for conventional surface-mount PCB assembly while exposing a broad set of general-purpose and peripheral pins.
The STM32F103C6 family is positioned as a low-density performance-line device. The verified product information identifies the 32-bit core, 72 MHz operating rate, 32 KB Flash configuration, and broad peripheral mix, but it does not provide verified RAM capacity, voltage limits, pin-level functions, or operating-temperature values. Those details should therefore be confirmed against the current STMicroelectronics datasheet and device documentation before schematic release.
Typical applications include USB-connected data acquisition, CAN-connected industrial modules, digital control equipment, compact sensor nodes, communication interfaces, and general embedded-control boards. The two ADCs support analog measurement, while six timers support timing, counting, PWM, and motor-control functions. The integrated USB and CAN interfaces are particularly useful where wired connectivity is required without external protocol controllers.
A key design consideration is avoiding assumption-based pin or peripheral mapping. Because the supplied verified results do not enumerate the 48 package connections, engineers should use the official STM32F103x4 and STM32F103x6 documentation to confirm power pins, oscillator connections, debug functions, and peripheral multiplexing before layout or firmware development.
This page combines verified manufacturer and distributor specifications, a package-aware comparison, practical migration guidance, and drop-in alternative information. It also distinguishes confirmed facts from parameters that still require datasheet verification, helping engineers evaluate the STM32F103C6T6A without relying on unsupported assumptions.
Alternatives de remplacement direct pour STM32F103C6T6A — 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 STM32F103C6T6A (même facteur de forme et même empreinte) — différant par Package, Flash Memory, SRAM, ADC Resolution, Core Architecture.
STM32F103C6T6
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →STM32F103C8T6
✅ Remplacement directContactez-nous pour le prix
Voir la fiche technique →GD32F103C8T6
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
APM32F103C8T6
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AT32F403ACGT7
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32F103C6T6A Valeurs maximales et caractéristiques électriques
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Core Architecture | ARM Cortex-M3 32-bit RISC |
| Maximum CPU Frequency | 72 MHz |
| Flash Memory | 32 KB |
| Flash Organization | 32K x 8 bits |
| Performance | 1.25 DMIPS/MHz at 72 MHz |
| USB Interface | Integrated USB interface |
| CAN Interface | Integrated CAN interface |
| Timer Count | 6 timers |
| ADC Count | 2 ADCs |
| Communication Interface Count | 6 communication interfaces |
| Boîtier | 48-LQFP, 7 x 7 mm |
| Type de montage | Surface mount |
Guide de configuration des broches du STM32F103C6T6A 48-lqfp, 7 x 7 mm
Configuration des broches du STM32F103C6T6A (boîtier 48-lqfp, 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 STM32F103C6T6A.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
STM32F103C6T6A convient pour 6 applications: USB Data-Acquisition Module, CAN-Connected Industrial Controller, Digital Timer and PWM Control, Compact Sensor and IoT Node, Motor-Control Subsystem, Communication Gateway.
USB Data-Acquisition Module
The STM32F103C6T6A fits a USB data-acquisition module because its integrated USB interface removes the need for a separate USB controller, while two ADCs provide dedicated analog measurement channels. Its 72 MHz ARM Cortex-M3 core can sample, filter, and format measurements before transmitting data over USB. The 32 KB Flash configuration provides 32K x 8 bits of program storage, so engineers should budget carefully for protocol stacks, drivers, and application logic. Because the verified data does not specify RAM, USB implementation details, or ADC performance, those requirements must be checked in the manufacturer documentation before final component selection.
Recommandé
CAN-Connected Industrial Controller
The STM32F103C6T6A is suitable for compact CAN-connected industrial control equipment because it integrates a CAN interface, six timers, and two ADCs in one 48-LQFP device. The 72 MHz Cortex-M3 core supports control-loop execution, timer-based events, and serial communication, while the integrated analog converters support sensor inputs. A CAN transceiver is still required because the MCU provides the digital controller interface rather than the physical bus driver. Confirm pin multiplexing, timing configuration, and peripheral limits against the STMicroelectronics documentation before creating the PCB.
Recommandé
Digital Timer and PWM Control
The six integrated timers make the STM32F103C6T6A appropriate for digital timing, counting, PWM, and basic motor-control tasks. At up to 72 MHz, the ARM Cortex-M3 core can execute control logic while timer peripherals handle periodic events and output modulation. The two ADCs can support feedback measurements, enabling closed-loop input monitoring without an external converter. The 32 KB Flash budget is adequate for compact control firmware but may be restrictive for large motion algorithms, so the exact code footprint and RAM requirement should be evaluated before design commitment.
Recommandé
Compact Sensor and IoT Node
The STM32F103C6T6A can serve as the controller in a compact sensor node because it combines two ADCs, six timers, and six communication interfaces in a 7 x 7 mm 48-LQFP package. The 72 MHz processing rate supports local sampling, filtering, status logic, and protocol handling while conserving board area. Its integrated USB and CAN connectivity is useful for wired commissioning or backhaul, although low-power wireless operation cannot be assumed without verified current and standby specifications. Confirm RAM, oscillator requirements, and low-power modes before choosing it for battery-operated equipment.
Recommandé
Motor-Control Subsystem
The STM32F103C6T6A is a candidate for a compact motor-control subsystem because six timers provide dedicated timing resources for PWM generation and input capture, while two ADCs support current or position feedback. Its 72 MHz Cortex-M3 core can execute the supervisory control loop, and the integrated communication interfaces can connect the controller to a broader machine network. Power-stage MOSFET drivers, gate drivers, current sensors, and protection circuitry remain external. Validate timer channel assignments, ADC timing, and firmware interrupt requirements before using the part as a production motor controller.
Recommandé
Communication Gateway
The STM32F103C6T6A can function as a compact communication gateway because it combines USB, CAN, six communication interfaces, six timers, and a 72 MHz Cortex-M3 core. The device can bridge or monitor traffic while using the two ADCs for auxiliary analog measurements. Its 48-LQFP 7 x 7 mm package keeps the controller compact but requires careful PCB layout for USB, CAN, clock, and power integrity. Before deployment, engineers should verify baud-rate support, protocol availability, RAM capacity, buffer requirements, and exact peripheral pin assignments in the current manufacturer documentation.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32F103C6T6A — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | STM32F103C6T6 | STM32F103C8T6 | GD32F103C8T6 | APM32F103C8T6 | AT32F403ACGT7 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice | SGMC (Sagna Microelectronics) | SGMC (Sagna Microelectronics) |
| Package | 48-LQFP (7 x 7 mm) | 48-LQFP (7 x 7 mm) - same | 48-LQFP (7 x 7 mm) - same | 48-LQFP (7 x 7 mm) - same | 48-LQFP (7 x 7 mm) - same | 48-LQFP (7 x 7 mm) - same |
Principaux différenciateurs
- Exact 32 KB Flash configuration (vs STM32F103C8T6)
- 72 MHz STM32F103 Cortex-M3 platform (vs GD32F103C8T6)
- Integrated USB, CAN, timers, and ADCs (vs AT32F403ACGT7)
Notes de conception
Treat the 48-LQFP footprint as a constrained assembly target: maintain the manufacturer-recommended pad geometry and land pattern rather than adapting a generic 48-pin LQFP drawing. Confirm the exposed thermal behavior and copper requirements from the package drawing. USB and CAN interfaces also need careful return-path planning, so route high-speed or high-edge-rate signals over a continuous ground plane and avoid splitting return paths beneath the device.
Do not select the target solely because it has the same 48-LQFP footprint as a replacement. The STM32F103C6T6A has 32 KB of Flash, while listed alternatives may provide 64 KB, and the verified information does not establish RAM, peripheral, interrupt, bootloader, or clock-tree equivalence. Check the linker memory plan, startup code, vector table, peripheral registers, flash programming procedure, and migration requirements before approving a substitution.
Verify the exact supply voltage range, absolute maximum ratings, and decoupling requirements in the current STMicroelectronics documentation before committing the power tree. The supplied sources do not include verified operating-voltage values, so neither 3.3 V operation nor regulator selection should be assumed from general knowledge. Provide local input and output bypassing according to the datasheet, and account for USB transceiver and CAN transceiver current when sizing the board supply.
Keep oscillator, decoupling, and reset-related connections short and route them away from USB, CAN, and other fast-switching nodes. The 72 MHz core and integrated high-speed interfaces make return-path continuity important even though this is a low-density MCU. Use a solid ground plane, minimize via inductance in supply paths, and follow the manufacturer layout guidance for sensitive analog ADC inputs and exposed pad or thermal construction.
Informations de conformité
The supplied manufacturer and distributor results do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. AEC-Q100 is marked not_applicable because this is a general-purpose microcontroller, not an automotive-qualified device in the verified data.