STM8L051F3P6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics
MPN: STM8L051F3P6 ✓ פעילSTM8L051F3P6 סקירה
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.
חלופות תחליף ישיר עבור STM8L051F3P6 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם STM8L051F3P6 (אותו גורם צורה וטביעת רגל) — שונים ב Package, ADC Resolution, Core, Communication Interfaces, RAM Size.
STM8L101F3P6TR
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
STM8L051F3P6 דירוגים מרביים ומאפיינים חשמליים
| 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 |
| מתח אספקה פעיל | 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 |
| מארז | 20-pin TSSOP |
| סוג הרכבה | Surface Mount |
| טמפרטורת פעולה | -40 °C to +85 °C |
| Lifecycle Stage | Active |
| Product Family | STM8L value line |
| Core Architecture | Enhanced 8-bit CPU core |
| Manufacturer Product Status | Active |
מדריך תצורת פינים של STM8L051F3P6 20-pin tssop
תצורת פינים עבור STM8L051F3P6 (מארזת 20-pin tssop). מעגל משולב דיגיטלי זה כולל GPIO, ממשקי תקשורת (UART, SPI, I2C) ופיני מתח. יש לעיין בגיליון הנתונים של היצרן לפונקציות פינים חלופיות ולאפשרויות תצורה. חיוני לתכנון מערכות משובצות ולפריסת PCB.
אין נתוני פריסת פינים מפורטים עבור STM8L051F3P6.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
STM8L051F3P6 מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור STM8L051F3P6 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | STM8L101F3P6TR |
|---|---|---|
| Product Type | 8-bit ultra-low-power MCU | 8-bit MCU |
| Brand | STMicroelectronics | STMicroelectronics |
| Package | 20-pin TSSOP | 20-pin TSSOP |
מבדילים עיקריים
- Value-line low-power positioning (לעומתSTM8L101F3P6TR)
- Integrated mixed-signal and communication resources (לעומתSTM8L101F3P6TR)
- Documented active sourcing status (לעומתSTM8L101F3P6TR)
הערות תכנון
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.
מידע על תאימות
The supplied verified data does not explicitly provide RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification information for STM8L051F3P6.