STM32F051C8T7 - 48MHz Cortex-M0 64KB MCU | STMicroelectronics
MPN： STM32F051C8T7 ✓ 啟用中STM32F051C8T7 概覽
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, peripherals, and communication interfaces on one device. The STM32F051 belongs to the STM32F0 access-line family of 32-bit microcontrollers. Its ARM Cortex-M0 architecture provides a compact instruction set for cost-sensitive control applications, while the 48 MHz operating frequency supports responsive digital control and mixed-signal sampling. The 64 KB Flash configuration provides embedded program storage without requiring an external memory device for many control tasks.
The principal feature set includes 11 timers, an ADC, a DAC, and communication interfaces covering I2C, SPI, UART/USART, IrDA, LIN, and HDMI-CEC. These resources allow the STM32F051C8T7 to consolidate functions that might otherwise require separate analog, timer, and communication components. The device is therefore particularly relevant to products requiring motor, power, lighting, sensor, communications, or general-purpose embedded control in a 48-pin package.
The Cortex-M0 core operates without a cache or pipeline architecture comparable to higher-performance Cortex-M families, favoring simple deterministic control software. Its 32-bit register architecture supports efficient bit manipulation and event-driven firmware, while the integrated analog and timer peripherals reduce external component count. The 2.0 V to 3.6 V supply range also allows the MCU to operate from regulated 3.3 V systems, although detailed current, accuracy, temperature, and electrical timing limits must be confirmed in the manufacturer documentation.
Typical applications include LIN-connected automotive accessories, small motor-control modules, digital power converters, LED lighting controllers, industrial sensor nodes, and compact consumer equipment. The combination of a 48-LQFP package, 64 KB Flash, and extensive peripheral set is useful when designers need more integration than an 8-bit or minimal 32-bit controller provides without moving to a larger pin count.
Designers should confirm the complete pin assignment and exposed-pad requirements directly from the manufacturer pinout before layout. Decoupling, analog grounding, ADC input conditioning, timer-output routing, and communication signal integrity should be planned around the selected package. Firmware migration from another STM32F0 member should also be reviewed because peripheral availability, memory size, and device-specific options can vary.
This page combines verified manufacturer and distributor information with practical design guidance, application fit, and clearly identified data gaps. It also distinguishes verified facts from unconfirmed details so engineers can make sourcing and design decisions without treating unavailable information as a guaranteed specification.
直接替換替代品，適用於 STM32F051C8T7 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： STM32F051C8T7 （相同外形與佔位） — 差異在於 Flash Memory, Package, Product Type.
STM32F051C8T6
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →STM32F050C8T6
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32F050C8T7
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32F071C8T6
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →STM32F071C8T7
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32F051C8T7 最大額定值與電氣特性
| Product Type | ARM-based 32-bit microcontroller |
| Core | ARM Cortex-M0 |
| Bit Width | 32-bit |
| Maximum CPU Frequency | 48 MHz |
| Flash Memory | 64 KB |
| Flash Organization | 64K x 8 |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Timer Count | 11 timers |
| Analog Peripherals | ADC and DAC |
| Communication Interfaces | I2C, SPI, UART/USART, IrDA, LIN, and HDMI-CEC |
| 封裝 | 48-LQFP, 7 x 7 mm |
| 安裝類型 | Surface mount |
| Product Series | STM32F0 |
| Product Line | STM32F051 |
STM32F051C8T7 48-lqfp, 7 x 7 mm 腳位配置指南
STM32F051C8T7（48-lqfp, 7 x 7 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： STM32F051C8T7.
請參閱 資料表 以查看完整腳位配置。
典型應用
STM32F051C8T7 適用於 6 應用s: LIN-Connected Automotive Accessories, Digital Power Conversion and Lighting Control, Industrial Sensor and Condition-Monitoring Node, Small Motor and Solenoid Control, Consumer LED and Display Interface, Compact Communication Gateway.
LIN-Connected Automotive Accessories
The STM32F051C8T7 fits compact LIN-connected vehicle accessories because its verified feature set includes LIN, UART/USART, 11 timers, ADC, and DAC. The 48 MHz Cortex-M0 core can manage local control and communication tasks, while 64 KB Flash provides room for drivers and application logic in the 48-LQFP package. Its 2.0 V to 3.6 V range supports regulated 3.3 V vehicle electronics. The MCU can sit between a LIN transceiver and local sensors or actuators, using timers for deterministic switching and the ADC for monitoring analog conditions. Designers must still confirm the exact temperature grade, LIN transceiver interface behavior, automotive qualification, and transient-suppression requirements for the target vehicle platform.
推薦
Digital Power Conversion and Lighting Control
The STM32F051C8T7 is appropriate for small digital power and lighting controllers because it combines a 48 MHz Cortex-M0 core, 11 timers, ADC, DAC, and PWM-capable timer resources in a 48-LQFP package. The ADC can monitor feedback signals, while timers support switching-frequency generation, dead time, and fault response. Its 2.0 V to 3.6 V operating range allows it to share a regulated 3.3 V control domain with gate drivers and sensing electronics. Compared with a simple timer-only controller, the 64 KB Flash device can consolidate supervisory logic, communication, and power-conversion control. Layout must keep switching nodes and high-current paths away from analog inputs, and the power-stage design must account for the MCU supply transients and grounding strategy.
推薦
Industrial Sensor and Condition-Monitoring Node
The STM32F051C8T7 supports compact sensor nodes where local conversion, timing, and serial reporting are required. Its 48 MHz Cortex-M0 processor runs at up to 48 MHz, while the integrated ADC can acquire analog sensor data and the 11 timers support periodic sampling, alarms, and sensor-specific timing. I2C and SPI allow connection to digital sensors, while UART/USART and IrDA provide additional reporting options. The 64 KB Flash capacity is useful for calibration, filtering, and protocol handling, and the 48-LQFP 7 x 7 mm package limits board area. A practical implementation should use separate analog and digital return paths, place decoupling near supply pins, and validate the operating temperature grade before deploying the node in an industrial enclosure.
推薦
Small Motor and Solenoid Control
The STM32F051C8T7 can coordinate small motor or solenoid systems because its 11 timers provide a substantial scheduling resource for PWM generation, input capture, and periodic control. The 48 MHz Cortex-M0 core supports responsive feedback logic, and the ADC can monitor current, position, or supply-related analog signals. The DAC may support biasing, test, or control functions where a specific analog output is permitted by the final pin assignment. Communication interfaces including UART/USART and LIN allow the controller to accept commands and report operating status. The 48-LQFP package provides enough I/O for external gate drivers and sensors without using a very large footprint. Flyback currents, motor noise, and ground bounce must be controlled with appropriate layout isolation and protection.
推薦
Consumer LED and Display Interface
The STM32F051C8T7 is suitable for compact LED controllers and display-interface products that need more control capability than a basic logic device. Its 11 timers can organize dimming sequences, button debouncing, and periodic updates, while I2C and SPI can connect to LED drivers or display peripherals. The 64 KB Flash capacity accommodates animation tables, calibration, and communication protocols, and the 48-LQFP package supports a practical mix of control and serial pins. The 2.0 V to 3.6 V operating range permits use in a regulated 3.3 V design. For visible or high-current LED outputs, the MCU should control external drivers rather than supply LED current directly, and PWM-capable traces should be routed away from sensitive analog and communication lines.
推薦
Compact Communication Gateway
The STM32F051C8T7 can act as a protocol-conversion or local gateway between embedded serial interfaces because it includes UART/USART, SPI, I2C, IrDA, LIN, and HDMI-CEC. The 48 MHz Cortex-M0 core can service multiple event-driven communication tasks, while the 64 KB Flash provides storage for protocol state machines and configuration. A 48-LQFP package leaves adequate board area for level translation and transceiver circuitry. Designers can use timers for baud-rate-independent timing, watchdog functions, and periodic polling, and the ADC for analog supervision where needed. Each serial interface must be checked against the target pin multiplexing and electrical specifications. Isolation, logic thresholds, ESD protection, and ground-return paths are especially important in gateways connected to longer external cables.
推薦
推薦產品摘要
工程參考資料，適用於 STM32F051C8T7 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | STM32F051C8T6 | STM32F050C8T6 | STM32F050C8T7 | STM32F071C8T6 | STM32F071C8T7 |
|---|---|---|---|---|---|---|
| Package | 48-LQFP (7 x 7 mm) | 48-LQFP (7 x 7 mm) | 48-LQFP (7 x 7 mm) | 48-LQFP (7 x 7 mm) | 48-LQFP (7 x 7 mm) | 48-LQFP (7 x 7 mm) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Core | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0 | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Temperature-Grade Suffix | T7 | T6 | T6 | T7 | T6 | T7 |
主要差異化特點
- Closest same-family drop-in candidate (對比STM32F051C8T6)
- Direct Cortex-M0 feature-set continuity (對比STM32F050C8T7)
- Broader peripheral integration (對比STM32F071C8T7)
設計說明
Confirm the official STM32F051C8T7 decoupling and pin configuration before laying out the board. The verified operating range is 2.0 V to 3.6 V, so place the regulator and bulk capacitor near the supply pins, provide a local high-frequency bypass capacitor at the MCU supply entry, and isolate switching-stage return current from the analog and digital ground reference. Validate brownout behavior and startup sequencing against the complete manufacturer electrical specification.
Use the manufacturer 48-LQFP land pattern and pin numbering rather than a generic footprint. Keep the 7 x 7 mm device away from high-temperature or high-current sources when thermal design permits, preserve unobstructed access for assembly inspection, and route sensitive ADC inputs away from PWM, motor-switching, and communication edges. The 48-pin count provides mixed analog, timer, and digital functions, so assign pins from the official multiplexing table before fixing the PCB.
Do not assume that any 48 MHz Cortex-M0 device with 64 KB Flash is a drop-in replacement. STM32F051C8T6 is the closest same-family candidate, but temperature grade, device option bytes, peripheral maps, interrupt vectors, boot configuration, and package pin assignments must be compared. The STM32F050 and STM32F071 alternatives retain the package family but differ more in features or core behavior, so firmware and hardware validation are mandatory before substitution.
Route I2C, SPI, UART, LIN, and other communication signals with appropriate source termination, controlled return paths, and protection suited to the external cable environment. Keep switching-node copper and high-di/dt loops away from ADC inputs and communication lines. If IrDA, LIN, or HDMI-CEC is used, obtain the corresponding electrical characteristics and transceiver requirements from the full manufacturer documentation rather than relying only on the interface names in the product summary.
合規資訊
The supplied verified data does not explicitly state the compliance status of STM32F051C8T7. Compliance claims must be confirmed on the manufacturer product page or current manufacturer declaration.