STM32F103C4T6A - 72MHz Cortex-M3 MCU, 16KB Flash | STMicroelectronics
MPN: STM32F103C4T6A ✓ فعالSTM32F103C4T6A نمای کلی
A microcontroller is a programmable control component that integrates a processor core, memory, peripheral interfaces, and I/O in one device. The STM32F103C4T6A belongs to the STM32F1 performance-line family, where STM32 identifies the product family, F103 identifies the performance-line device series, and C4T6A identifies the specific memory, package, temperature, and ordering configuration.
The principal features include a 72 MHz ARM 32-bit Cortex-M3 RISC core, 16 KB Flash, and 37 I/O ports. Its operating voltage range of 2.4 V to 3.6 V suits conventional 3.3 V embedded systems. The Cortex-M3 core supports single-cycle multiplication and hardware division, helping reduce instruction count in control, communications, and signal-processing firmware.
This ordering code belongs to the low- and medium-density STM32F1 platform, whose product family provides 12 timers, ADC and DAC resources, and up to eight communication interfaces according to the family-level product information. The 16 KB Flash capacity should be checked carefully against bootloader, application, and firmware-update requirements before design release because the smaller-memory variant may not accept code built for the 64 KB or 128 KB members.
Typical applications include compact industrial controllers, sensor nodes, communication modules, motor-control peripherals, and educational embedded platforms. Its 48-lead LQFP package exposes more I/O and peripheral connections than smaller packages, while its 7 x 7 mm body keeps the component practical for multilayer PCB designs.
A principal design consideration is memory planning. Engineers should reserve space for a bootloader, application code, configuration data, and future growth before fixing the firmware layout. Clock, low-power behavior, analog peripheral accuracy, and communication timing should be validated in hardware because only the explicitly verified family-level parameters are summarized in the supplied data.
This product record combines verified manufacturer and distributor information with practical selection guidance, package-aware alternatives, and engineering design notes. It also distinguishes electrically similar alternatives from fully qualified drop-in choices by documenting memory, clock, software, and qualification differences that require review before substitution.
جایگزین‌های drop-in برای STM32F103C4T6A — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
STM32F103C4T6
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
GD32F103C4T6
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
GD32F103C8T6
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
APM32F103C8T6
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
AT32F403ACGT7
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
STM32F103C4T6A حداکثر مقادیر مجاز و مشخصات الکتریکی
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Series | STM32F1 performance-line |
| CPU Core | ARM Cortex-M3 |
| CPU Architecture | 32-bit RISC |
| حداکثر فرکانس کلاک | 72 MHz |
| Core Performance | 1.25 DMIPS/MHz at 0 wait-state memory access |
| Flash Memory | 16 KB (16K x 8) |
| Multiplier | Single-cycle multiplication |
| Divider | Hardware division |
| Supply Voltage Range | 2.4 V to 3.6 V |
| I/O Port Count | 37 ports |
| Timer Count | 12 timers at STM32F1 family level |
| Communication Interface Count | Up to 8 interfaces at STM32F1 family level |
| بسته‌بندی | LQFP-48, 7 x 7 mm |
| نوع نصب | Surface mount |
| RoHS Compliance | Compliant |
| وضعیت چرخه عمر | Active |
راهنمای پیکربندی پین STM32F103C4T6A lqfp-48, 7 x 7 mm
پیکربندی پین برای STM32F103C4T6A (پکیج lqfp-48, 7 x 7 mm). این IC دیجیتال شامل GPIO، رابط‌های ارتباطی (UART، SPI، I2C) و پین‌های تغذیه است. برای عملکردهای جایگزین پین و گزینه‌های پیکربندی به دیتاشیت سازنده مراجعه کنید. ضروری برای طراحی سیستم‌های نهفته و چیدمان PCB.
داده پین‌آوت تفصیلی موجود نیست برای STM32F103C4T6A.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
STM32F103C4T6A مناسب است برای 6 کاربردs: Industrial Sensor Node, Motor Control Peripheral, Serial Communication Gateway, Portable Data Acquisition Module, LED Lighting Controller, Educational Embedded Platform.
Industrial Sensor Node
STM32F103C4T6A fits compact industrial sensor nodes that operate from a 2.4 V to 3.6 V rail and need deterministic real-time control without the Flash capacity of a larger STM32F103 member. Its 72 MHz Cortex-M3 core can handle sensor polling, filtering, threshold logic, and communication tasks, while hardware division reduces the instruction burden of scaling and status calculations. The LQFP-48, 7 x 7 mm package provides 37 reported I/O ports for sensors, indicators, and interfaces. Designers must fit the firmware, bootloader, and configuration data within 16 KB and verify the exact peripheral and pin assignments. The active lifecycle status supports ongoing procurement, while production use still requires application-specific temperature and environmental validation.
پیشنهادی
Motor Control Peripheral
STM32F103C4T6A is suitable for a compact motor-control peripheral that coordinates pulse-width modulation, position sensing, fault handling, and an external communications link. The 72 MHz Cortex-M3 core provides useful control-loop headroom, and hardware division assists with scaling while the 37 I/O ports support encoder inputs, control outputs, and status signaling. Its 16 KB Flash requires careful firmware partitioning, particularly if a field-update bootloader is included. The 2.4 V to 3.6 V operating range aligns with common 3.3 V power trees. Engineers should verify timer channels, advanced timer behavior, ADC characteristics, pin remapping, and thermal requirements against the manufacturer documentation before releasing the motor-drive circuitry.
پیشنهادی
Serial Communication Gateway
STM32F103C4T6A can serve as a compact serial gateway for translating between UART, SPI, I2C, or other supported STM32F1 resources while preserving a low component cost. The 72 MHz Cortex-M3 core provides sufficient throughput for protocol framing, buffering, diagnostics, and background updates, and hardware division is useful for checksum, timing, and data-conversion routines. Its LQFP-48 package exposes a broad pin set for multiple communication interfaces, subject to exact peripheral multiplexing. Because the device has only 16 KB of Flash, protocol stacks and bootloader code must be measured carefully. Production designs should validate baud-rate tolerance, bus levels, isolation requirements, ESD protection, and timing behavior on the target PCB.
پیشنهادی
Portable Data Acquisition Module
STM32F103C4T6A fits portable data-acquisition modules that sample sensors, perform local filtering, and transmit compact records over a low-speed link. Its 2.4 V to 3.6 V supply range supports battery-regulated 3.3 V designs, while the 72 MHz core can interleave acquisition, digital filtering, and communications. The 37 reported I/O ports provide connections for analog inputs through the MCU's ADC resources, digital sensors, status LEDs, and serial interfaces. The 16 KB Flash limit is the principal constraint for buffering, logging, and update code, so firmware must avoid wasting space on duplicated functions. Engineers should also verify ADC accuracy, sampling characteristics, low-power behavior, and battery-headroom requirements on the exact design.
پیشنهادی
LED Lighting Controller
STM32F103C4T6A can control addressable or multi-channel LED lighting in compact fixtures where deterministic timing and serial control are important. The 72 MHz Cortex-M3 core supports timer-based updates, status sequencing, fault reporting, and communication handling, while the LQFP-48 package offers enough pins for driver-control signals and indicators. Its 16 KB Flash is adequate only when lighting effects and control firmware are compact, making careful code budgeting important. The 2.4 V to 3.6 V operating range fits a 3.3 V controller domain, although LED drivers may require separate higher-voltage rails. Designers should verify timer resolution, PWM behavior, communication timing, driver compatibility, thermal margins, and dimming performance across the complete fixture.
پیشنهادی
Educational Embedded Platform
STM32F103C4T6A is well matched to educational embedded platforms built around the widely recognized STM32F1 architecture and ARM Cortex-M3 instruction set. Students can develop interrupt-driven control, communication, and timer applications while using a 72 MHz processor with hardware multiplication and division. The LQFP-48 package exposes a substantial set of I/O and peripheral connections for teaching exercises, although 16 KB of Flash imposes an important lesson in memory-efficient design. The 2.4 V to 3.6 V operating range simplifies common laboratory rail planning. Because the supplied data does not include a complete pin table, instructors should pair practical exercises with the official manufacturer pin definitions and verify debugger, bootloader, and toolchain support for the selected board configuration.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای STM32F103C4T6A — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | STM32F103C4T6 | GD32F103C4T6 | GD32F103C8T6 | APM32F103C8T6 | AT32F403ACGT7 |
|---|---|---|---|---|---|---|
| Package | LQFP-48, 7 x 7 mm | LQFP-48 | LQFP-48 | LQFP-48 | LQFP-48 | LQFP-48 |
| Brand | STMicroelectronics | STMicroelectronics | GigaDevice | GigaDevice | GigaDevice | GigaDevice |
تفاوت‌های کلیدی
- Original manufacturer identity and established STM32F1 software ecosystem (در مقابلGD32F103C4T6)
- Smaller verified Flash configuration for memory-constrained designs (در مقابلGD32F103C8T6)
- Exact verified manufacturer part identity (در مقابلAT32F403ACGT7)
یادداشت‌های طراحی
Estimated memory planning is required because the verified Flash capacity is only 16 KB. Measure the bootloader, vector table, interrupt handlers, application image, configuration area, and update buffer separately; use the exact linker map for STM32F103C4T6A and reserve documented growth space. Do not reuse a binary or linker configuration from a 64 KB or 128 KB STM32F103 member without recompiling. This is a functional constraint rather than a PCB issue, but violating it can prevent programming or leave no recovery path.
Design the controller around a supply within the verified 2.4 V to 3.6 V range, with 3.3 V as the nominal operating condition. Place the MCU's required decoupling capacitance directly beside the supply and ground pins, then confirm the exact capacitor values, ESR limits, and startup behavior against the manufacturer documentation. External sensors, communication transceivers, and LED drivers should not be allowed to pull the MCU rail outside its specified limits. Measure droop during the highest switching-load transition rather than relying only on average current estimates.
Use the official LQFP-48 pin-definition document before assigning signals because the supplied data confirms the package and 37 I/O ports but does not contain a verified pin table. Keep the exposed ground connection and all supply pins properly connected according to the manufacturer layout guidance. Place oscillator components, decoupling capacitors, programming-test points, and reset-network parts close to their associated pins. For any analog sampling function, use a short, quiet return path and keep switching-converter and high-current digital paths away from the analog input region.
Do not treat a pin-compatible MCU as automatically interchangeable. For GD32F103C4T6, the supplied cross-reference explicitly warns that a guaranteed drop-in replacement is not established. Before substituting any alternative, compare the complete LQFP-48 pin table, power pins, oscillator implementation, ADC and timer behavior, peripheral mapping, flash wait-state rules, bootloader procedure, debugger support, and startup code. Revalidate timing and mixed-signal performance on production-representative hardware, because a successful compile is not evidence of electrical or functional equivalence.
اطلاعات انطباق
The verified product data identifies the LQFP-48 device as RoHS compliant and active. No verified REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statement was supplied, so those fields remain unknown.
