STM8L051F3P6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics
MPN: STM8L051F3P6 ✓ نشطSTM8L051F3P6 نظرة عامة
What is an ultra-low-power microcontroller? An ultra-low-power MCU is a semiconductor controller designed to execute firmware while minimizing energy consumption during both active and sleep operation. STM8L belongs to a broader low-power MCU hierarchy that includes embedded processors, real-time controllers, and power-managed embedded systems. This makes the STM8L051F3P6 suitable for designs where battery life, standby consumption, and compact PCB area are more important than high processing throughput.
Key features include 16 MHz operation, 8 KB of Flash memory organized as 8K x 8, 1 KB of RAM, 256 bytes of EEPROM, five low-power modes, and a 1.8 V to 3.6 V operating supply range. The integrated communication peripherals provide practical connectivity for embedded products without requiring separate interface devices. The 10-channel, 12-bit ADC also enables analog measurement in sensor and control systems.
The STM8L architecture uses an enhanced 8-bit CPU core and belongs to STMicroelectronics’ STM8L value line. Its combination of modest memory capacity, low-voltage operation, and integrated peripherals makes it a practical fit for compact control nodes, low-cost sensing products, and simple connected equipment. Applications can use the USART, I2C, or SPI interface to connect sensors, displays, transceivers, or storage devices.
Typical applications include low-power sensor nodes, compact environmental monitors, battery-powered accessories, simple motor-control boards, small consumer appliances, and low-cost industrial sensing modules. The 20-TSSOP package supports conventional surface-mount assembly, while the 16 MHz clock provides sufficient performance for peripheral control, state-machine logic, and moderate data acquisition.
Designers should verify the complete pinout, electrical limits, clock configuration, and low-power current values against the STM8L051F3 datasheet before layout release. Decoupling, oscillator layout, ADC input conditioning, and firmware wake-up behavior are especially important when minimizing energy use. The verified distributor data identifies the lifecycle stage as active, so new designs can target this part with current sourcing information.
This product summary combines verified manufacturer and distributor information with practical selection guidance for engineers evaluating the STM8L051F3P6 in compact, low-power embedded designs.
بدائل مباشرة لـ STM8L051F3P6 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع STM8L051F3P6 (نفس عامل الشكل والبصمة) — يختلف في Package, ADC Resolution, Core, Communication Interfaces, RAM Size.
STM8L101F3P6TR
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
STM8L051F3P6 الحدود القصوى والخصائص الكهربائية
| Product Type | 8-bit ultra-low-power microcontroller |
| CPU Maximum Frequency | 16 MHz |
| Flash Memory | 8 KB (8K x 8) |
| RAM | 1 KB (1K x 8) |
| Data EEPROM | 256 bytes |
| جهد التغذية التشغيلي | 1.8 V to 3.6 V |
| ADC Resolution | 12-bit |
| ADC Channel Count | 10 channels |
| Low-Power Modes | 5 modes |
| Serial Interfaces | USART, I2C, SPI |
| Real-Time Clock | Yes |
| Timers | Yes |
| العلبة | 20-pin TSSOP |
| نوع التركيب | Surface Mount |
| درجة حرارة التشغيل | -40 °C to +85 °C |
| Lifecycle Stage | Active |
| Product Family | STM8L value line |
| Core Architecture | Enhanced 8-bit CPU core |
| Manufacturer Product Status | Active |
دليل تكوين أطراف STM8L051F3P6 20-pin tssop
تكوين الأطراف لـ STM8L051F3P6 (حزمة 20-pin tssop). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ STM8L051F3P6.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
STM8L051F3P6 مناسب لـ 6 التطبيقs: Battery-Powered Sensor Nodes, Environmental Monitoring, Compact Industrial Control, Battery-Powered Consumer Accessories, Simple Motor and Relay Control, Low-Cost Connected Modules.
Battery-Powered Sensor Nodes
The STM8L051F3P6 fits battery-powered sensor nodes because its verified 1.8 V to 3.6 V supply range and five low-power modes support energy-conscious designs. The 8 KB Flash and 1 KB RAM are sufficient for compact acquisition, filtering, and state-machine firmware, while the 10-channel 12-bit ADC can read analog sensor outputs. USART, I2C, or SPI can connect a sensor or radio without requiring a separate protocol controller. Validate battery life using measured active and sleep currents under the final firmware profile.
موصى به
Environmental Monitoring
For environmental monitoring, the STM8L051F3P6 provides an ADC, integrated serial interfaces, and an enhanced 8-bit CPU core for periodic measurement and control. A 10-channel 12-bit ADC can sample temperature, humidity, light, or gas-sensor analog outputs, while I2C can connect digital sensors and SPI can support suitable external devices. Its 8 KB Flash and 1 KB RAM support compact acquisition and threshold logic. The design should place ADC inputs away from switching nodes and validate calibration over the required temperature range.
موصى به
Compact Industrial Control
The STM8L051F3P6 is suitable for compact industrial control modules that need local sensing, serial communication, and low standby consumption without a high-performance processor. Its 16 MHz maximum frequency supports peripheral control and moderate logic tasks, while USART, I2C, and SPI provide flexible connection options for sensors, displays, or remote modules. The 20-pin TSSOP package supports surface-mount assembly. Industrial designs should verify operating-temperature limits, ESD requirements, isolation strategy, and watchdog behavior against the complete manufacturer documentation.
موصى به
Battery-Powered Consumer Accessories
The STM8L051F3P6 can serve as the control MCU in low-cost accessories where a full-size processor is unnecessary but multiple low-power peripherals are useful. Its 8 KB Flash supports compact product firmware, 1 KB RAM supports state handling, and the integrated ADC supports analog sensing or touch-oriented control designs. USART, I2C, and SPI allow connection to displays, indicators, wireless modules, or sensors. Product-level battery-life claims should be based on measured sleep duration and active-current measurements, not only the nominal 16 MHz clock.
موصى به
Simple Motor and Relay Control
The STM8L051F3P6 is appropriate for simple motor or relay-control front ends when the control task is primarily sequencing and monitoring. Timers and GPIO resources can support timing and switching functions, while the ADC can monitor current, temperature, or position-sensor signals when the application requires feedback. The MCU’s low-power architecture can reduce standby consumption between operations. Keep inductive switching nodes separated from ADC and communication traces, include appropriate driver protection, and verify that the selected timer outputs meet the required load timing.
موصى به
Low-Cost Connected Modules
The STM8L051F3P6 can act as the low-power control companion in a connected sensor or actuator module. I2C and SPI support short-distance peripheral connections, while USART provides a simple interface to a wireless or communications module. The MCU’s 1.8 V to 3.6 V operating range can fit many low-voltage embedded rails, and its five low-power modes help manage duty-cycled operation. Firmware should disable unused peripherals and configure pins for low leakage during sleep. The exact communication levels and timing must be checked against the selected companion device.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM8L051F3P6 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | STM8L101F3P6TR |
|---|---|---|
| Product Type | 8-bit ultra-low-power MCU | 8-bit MCU |
| Brand | STMicroelectronics | STMicroelectronics |
| Package | 20-pin TSSOP | 20-pin TSSOP |
أبرز الفروقات
- Value-line low-power positioning (مقابلSTM8L101F3P6TR)
- Integrated mixed-signal and communication resources (مقابلSTM8L101F3P6TR)
- Documented active sourcing status (مقابلSTM8L101F3P6TR)
ملاحظات التصميم
Use a dedicated local supply path for the STM8L051F3P6 and place the manufacturer-recommended bypass capacitor close to the supply pins. Because the supplied data confirms a 1.8 V to 3.6 V operating range but does not specify exact active or sleep current, calculate battery life from measured current at the intended voltage and duty cycle. Verify brownout, startup, and sleep behavior in hardware before finalizing the power budget.
Route analog inputs away from switching nodes and high-current return paths. The integrated 10-channel 12-bit ADC is useful for compact sensing designs, but PCB leakage, source impedance, and sampling timing can affect measurement accuracy. Provide short analog traces, a stable reference arrangement, and controlled grounding. Confirm the exact ADC input mapping and recommended acquisition network from the STM8L051F3 datasheet.
Do not treat the STM8L101F3P6TR as a confirmed drop-in replacement without comparing pin mappings, voltage limits, memory, peripheral assignments, and clock behavior. The supplied search results establish a related 20-pin TSSOP device, but they do not provide complete equivalence data. Also verify the exact meaning of package ordering suffixes and reel configuration before approving a second source.
معلومات الامتثال
The supplied verified data does not explicitly provide RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification information for STM8L051F3P6.