Microcontroladores

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STM8AL3L46TCY - 8-Bit 16MHz Automotive MCU, 16KB Flash | STMicroelectronics
STM8AL3L46TCY

STM8AL3L46TCY - 8-Bit 16MHz Automotive MCU, 16KB Flash | STMicroelectronics

The STM8AL3L46TCY is an automotive-grade, ultra-low-power 8-bit microcontroller from STMicroelectronics, part of the STM8AL3L4x/6x family. It features a 16MHz STM8A CPU core, 16KB of Flash memory, 2KB of RAM, and 1KB of EEPROM, all housed in a compact 32-pin LQFP (7x7mm) package. This device is designed for battery-powered and energy-efficient automotive applications, offering a wide operating voltage range of 1.8V to 3.6V and an extended temperature range of -40°C to +125°C. An 8-bit microcontroller (MCU) is a single-chip computer containing a processor core, memory, and programmable input/output peripherals. The STM8A core is an 8-bit CISC architecture optimized for low power consumption and high code density, making it ideal for cost-sensitive embedded control applications. In the hierarchy of embedded systems, an MCU sits between simple logic ICs and complex application processors, providing a self-contained computing platform for real-time control tasks. The STM8AL3L46TCY belongs to the STM8A family, which is specifically designed for automotive body electronics, sensor interfaces, and battery management systems. Key features of the STM8AL3L46TCY include an integrated LCD driver supporting up to 4x28 segments, a 12-bit analog-to-digital converter (ADC) with up to 16 channels, and multiple communication interfaces including I2C, SPI, and UART. The device also incorporates a low-power RTC, a watchdog timer, and a brown-out reset circuit. Its ultra-low-power modes, including Halt, Active-Halt, and Wait modes, enable significant battery life extension in portable and automotive applications. The 32-pin LQFP package provides a compact footprint while offering sufficient I/O pins for peripheral integration. From a technical architecture perspective, the STM8AL3L46TCY utilizes a Harvard architecture with separate instruction and data buses, allowing simultaneous instruction fetch and data access. The CPU core operates at up to 16MHz, delivering 16 MIPS throughput. The Flash memory is programmable in-system via the SWIM (Single Wire Interface Module) debug interface, facilitating firmware updates in the field. The integrated EEPROM provides non-volatile data storage for calibration parameters and system configuration, with endurance of up to 300k write/erase cycles. Typical applications for the STM8AL3L46TCY include automotive body control modules, smart sensors, battery management systems, and dashboard displays. Its combination of low power consumption, integrated LCD driver, and automotive qualification (AEC-Q100) makes it particularly suitable for in-vehicle infotainment, climate control panels, and tire pressure monitoring systems. The device's robust communication interfaces enable seamless integration with other automotive ECUs via CAN or LIN networks. When designing with this MCU, careful attention should be paid to power supply decoupling and PCB layout to minimize noise and ensure reliable operation. The SWIM debug interface should be brought out to a test point for programming and debugging. Additionally, the LCD driver requires proper configuration of the contrast control register and external bias resistors to achieve optimal display performance.

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STM8AL3L66TCY - 8-bit Ultra-Low-Power MCU 32KB Flash | STMicroelectronics
STM8AL3L66TCY

STM8AL3L66TCY - 8-bit Ultra-Low-Power MCU 32KB Flash | STMicroelectronics

The STM8AL3L66TCY is an 8-bit ultra-low-power microcontroller from STMicroelectronics, featuring a 16 MHz STM8 core with up to 32 KB of Flash memory and 2 KB of RAM. It operates over a supply voltage range of 1.8V to 3.6V and is available in a 32-pin LQFP (7x7) package, making it suitable for a wide range of battery-powered and energy-efficient automotive applications. An 8-bit microcontroller (MCU) is a compact integrated circuit that executes 8-bit instructions, typically used for embedded control tasks. The STM8AL3L66TCY belongs to the STM8AL series, which is part of the broader STM8 family of 8-bit MCUs. These devices are positioned between low-end 8-bit controllers and higher-performance 32-bit ARM-based MCUs, offering a balance of cost, power efficiency, and sufficient processing capability for many automotive and industrial applications. Key features of the STM8AL3L66TCY include multiple low-power modes (Wait, Active-Halt, and Halt) with typical current consumption as low as 0.6 µA in Halt mode, a 12-bit ADC with up to 16 channels, two comparators, and a real-time clock (RTC) with calendar. It also integrates a variety of communication interfaces including I2C, SPI, and UART, along with a 16-bit timer and a 12-bit timer for precise timing and PWM generation. The STM8AL3L66TCY is built on a low-power process technology that enables extended battery life in portable devices. Its architecture includes a single-wire debug interface (SWIM) for programming and debugging, and it supports in-application programming (IAP) for firmware updates. The device is designed for reliable operation in harsh environments, with an operating temperature range of -40°C to +85°C. Typical applications include smart meters, portable medical devices, sensor nodes, and industrial control systems. The ultra-low-power consumption and rich analog peripherals make it ideal for battery-operated applications where energy efficiency is critical. When designing with this MCU, careful attention should be paid to power supply decoupling and the selection of low-power modes to maximize battery life. The RTC can be powered from a separate backup battery to maintain timekeeping during main power loss.

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STM8AL3L88TCY - 8-bit Ultra-Low-Power MCU, 64KB Flash | STMicroelectronics
STM8AL3L88TCY

STM8AL3L88TCY - 8-bit Ultra-Low-Power MCU, 64KB Flash | STMicroelectronics

The STM8AL3L88TCY is an 8-bit ultra-low-power microcontroller from STMicroelectronics, part of the STM8AL3L88 family. It features a 16 MHz STM8 core with 64 KB of Flash memory, 4 KB of RAM, and 2 KB of EEPROM. The device operates from 1.8V to 3.6V and is available in a 48-pin LQFP package (TCY suffix). It integrates a 12-bit ADC, two comparators, and multiple communication interfaces including SPI, I2C, and USART. An 8-bit microcontroller (MCU) is a compact integrated circuit designed for embedded control applications, executing instructions on an 8-bit data bus. It typically includes a CPU, memory (Flash, RAM, EEPROM), and peripherals such as timers, ADCs, and communication interfaces. In the system hierarchy, an MCU sits between a simple logic IC and a full application processor, providing programmable intelligence for devices like sensors, meters, and industrial controllers. The STM8AL3L88TCY is optimized for ultra-low-power operation, making it suitable for battery-powered and energy-harvesting applications. Key features include multiple low-power modes (Wait, Active-Halt, Halt) with current consumption as low as 0.35 µA in Halt mode, a 12-bit ADC with up to 25 channels, and a flexible clock system with an internal 16 MHz RC oscillator. The device also includes a real-time clock (RTC) with calendar, and a tamper detection feature for security-sensitive applications. The LQFP-48 package provides a compact footprint while offering sufficient I/O pins for complex designs. Technically, the STM8AL3L88TCY uses a Harvard architecture with a 3-stage pipeline, achieving up to 16 MIPS at 16 MHz. The ultra-low-power design is achieved through advanced power management, including a low-power oscillator and the ability to disable unused peripherals. The EEPROM allows data storage without external components, and the integrated bootloader supports in-application programming (IAP) for firmware updates. Typical applications include smart meters, portable medical devices, industrial sensors, and building automation systems. The ultra-low-power consumption extends battery life in remote monitoring applications, while the rich analog peripherals enable precise sensor interfacing. The wide operating voltage range and robust ESD protection make it suitable for harsh industrial environments. When designing with this device, pay attention to the power supply decoupling and the selection of the appropriate low-power mode for your application. The Halt mode offers the lowest power consumption but requires an external or RTC wake-up source. Ensure the clock configuration is optimized for your performance and power requirements.

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STM8L001J3M3 - Ultra-Low-Power 8-bit MCU, 8KB Flash | STMicroelectronics (Tape & Reel)
STM8L001J3M3

STM8L001J3M3 - Ultra-Low-Power 8-bit MCU, 8KB Flash | STMicroelectronics (Tape & Reel)

The STM8L001J3M3 is an ultra-low-power 8-bit microcontroller from STMicroelectronics, featuring the enhanced STM8 CPU core with up to 16 MIPS at 16 MHz. It comes in an 8-SOIC package and integrates 8 KB of Flash memory, 1.5 KB of RAM, and up to 2 KB of data EEPROM, making it ideal for battery-powered and energy-harvesting applications. An 8-bit microcontroller is a compact computing device that processes data in 8-bit chunks, balancing performance and power efficiency for embedded control tasks. The STM8L EnergyLite family is designed specifically for ultra-low-power operation, with multiple low-power modes including Halt, Active-Halt, and Wait, enabling extended battery life in portable and IoT devices. This MCU sits within the broader hierarchy of embedded systems, from simple 8-bit controllers to complex 32-bit processors, and is optimized for applications where energy efficiency is paramount. Key features include a 16 MHz CPU with 16 MIPS throughput, 8 KB Flash, 1.5 KB RAM, and 2 KB EEPROM with error correction. The device operates from 1.8V to 3.6V, with a low-power oscillator and multiple clock sources. It also integrates a 12-bit ADC, comparators, and a variety of communication interfaces including SPI, I2C, and UART, all in a compact 8-SOIC package. The STM8L001J3M3 is built on ST's low-power process technology, achieving ultra-low current consumption in Halt mode (typically 0.4 µA) and fast wake-up times. The architecture includes a flexible clock system, power management with multiple low-power modes, and a rich set of peripherals, enabling efficient handling of sensor data and control tasks. Typical applications include portable medical devices, smart sensors, wearable electronics, and industrial monitoring systems. Its low power consumption and small footprint make it particularly suitable for battery-operated devices where long operational life is critical. When designing with this MCU, careful attention to the power supply decoupling and clock configuration is essential to achieve the specified low-power performance. The device supports in-application programming (IAP) and in-circuit programming (ICP), facilitating firmware updates in the field.

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STM8L001J3M3TR - Ultra-Low-Power 8-bit MCU, 8KB Flash | STMicroelectronics
STM8L001J3M3TR

STM8L001J3M3TR - Ultra-Low-Power 8-bit MCU, 8KB Flash | STMicroelectronics

The STM8L001J3M3TR is an ultra-low-power 8-bit microcontroller from STMicroelectronics, featuring the enhanced STM8 CPU core with up to 16 MIPS at 16 MHz. It comes in an 8-SOIC package and integrates 8 KB of Flash memory, 1.5 KB of RAM, and up to 2 KB of data EEPROM, making it ideal for battery-powered and energy-harvesting applications. An 8-bit microcontroller is a compact computing device that processes data in 8-bit chunks, balancing performance and power efficiency for embedded control tasks. The STM8L EnergyLite family is designed specifically for ultra-low-power operation, with multiple low-power modes including Halt, Active-Halt, and Wait, enabling extended battery life in portable and IoT devices. This MCU sits within the broader hierarchy of embedded systems, from simple 8-bit controllers to complex 32-bit processors, and is optimized for applications where energy efficiency is paramount. Key features include a 16 MHz CPU with 16 MIPS throughput, 8 KB Flash, 1.5 KB RAM, and 2 KB EEPROM with error correction. The device operates from 1.8V to 3.6V, with a low-power oscillator and multiple clock sources. It also integrates a 12-bit ADC, comparators, and a variety of communication interfaces including SPI, I2C, and UART, all in a compact 8-SOIC package. The STM8L001J3M3TR is built on ST's low-power process technology, achieving ultra-low current consumption in Halt mode (typically 0.4 µA) and fast wake-up times. The architecture includes a flexible clock system, power management with multiple low-power modes, and a rich set of peripherals, enabling efficient handling of sensor data and control tasks. Typical applications include portable medical devices, smart sensors, wearable electronics, and industrial monitoring systems. Its low power consumption and small footprint make it particularly suitable for battery-operated devices where long operational life is critical. When designing with this MCU, careful attention to the power supply decoupling and clock configuration is essential to achieve the specified low-power performance. The device supports in-application programming (IAP) and in-circuit programming (ICP), facilitating firmware updates in the field.

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STM8L050J3M3 - 8-Bit 16MHz Ultra-Low-Power MCU | STMicroelectronics
STM8L050J3M3

STM8L050J3M3 - 8-Bit 16MHz Ultra-Low-Power MCU | STMicroelectronics

STMicroelectronics STM8L050J3M3 is an ultra-low-power 8-bit STM8L EnergyLite microcontroller rated for operation up to 16 MHz, with 8 KB of Flash memory and 256 bytes of data EEPROM, in an 8-pin SOIC package. It is designed for compact, cost-sensitive embedded products that require low-power control, basic connectivity, and mixed signal sensing. The MCU combines an 8-bit core with timers, RTC, USART, I2C, SPI, ADC, and comparators, providing an integrated platform for sensing, communications, and control. An ultra-low-power microcontroller is a semiconductor controller optimized to complete system tasks while consuming little active and standby power. STM8L devices sit within the broader hierarchy of 8-bit microcontrollers, embedded processors, and semiconductor control components. Their low-power characteristics are useful for battery-operated sensors, building controls, appliances, and portable accessories where long operating life is more important than maximum arithmetic throughput. The STM8L050J3M3 provides 8 KB of programmable Flash for firmware and 256 bytes of EEPROM for nonvolatile data retention. Its 16 MHz maximum CPU frequency supports responsive control of GPIO, timers, serial interfaces, and analog peripherals. Integrated USART, I2C, and SPI interfaces reduce the need for external interface hardware, while the ADC and comparators enable direct connection to sensors and simple threshold-based control loops. The device belongs to STMicroelectronics' STM8L value line and emphasizes low-power operation and integration rather than high-performance computation. The 8-pin SOIC package supports compact through-hole assembly and is suitable for prototypes, industrial modules, metering products, and low-cost control boards. Exact pin names, alternate functions, voltage limits, current limits, clock details, and electrical timing values must be confirmed in the manufacturer datasheet before final PCB release. Typical uses include low-cost environmental sensors, relay and actuator controllers, simple industrial interfaces, compact timers, battery-powered instruments, and serial-connected modules. Engineers should use the MCU's timers and communications peripherals to reduce polling requirements, and should select external components with attention to standby current, wake-up behavior, analog accuracy, and the voltage range required by the attached sensor or actuator. A key design consideration is preserving low-power behavior across the entire system, not only the MCU. Use the manufacturer's recommended decoupling, clock, reset, and unused-pin arrangements, and verify the application schematic against the reference documentation. This page combines verified manufacturer and distributor product information with application guidance and clearly identifies where additional datasheet data is required.

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STM8L051F3P6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics
STM8L051F3P6

STM8L051F3P6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics

STMicroelectronics STM8L051F3P6 is a value-line, 8-bit ultra-low-power microcontroller with a 16 MHz maximum core frequency, 8 KB of Flash program memory, 1 KB of RAM, and a 20-pin TSSOP package. It operates from a 1.8 V to 3.6 V supply range and is designed for compact, power-constrained embedded products. The device also includes 256 bytes of data EEPROM, an RTC, timers, USART, I2C, SPI, and a 10-bit ADC according to the supplied component data. 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.

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STM8L052C6T6 - 16MHz 32KB Ultra-Low-Power MCU | STMicroelectronics
STM8L052C6T6

STM8L052C6T6 - 16MHz 32KB Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L052C6T6 is an ultra-low-power 8-bit STM8L microcontroller rated up to 16 MHz, with 32 KB of Flash memory and a 48-LQFP 7 x 7 mm package. It operates from 1.8 V to 3.6 V across -40 °C to 85 °C, making it suitable for compact, battery-powered embedded systems. The verified distributor listing identifies this T6 ordering code as the 48-LQFP package configuration. An ultra-low-power MCU is a microcontroller architecture optimized to balance processing capability, standby consumption, and energy efficiency in embedded products. Within the semiconductor hierarchy, this part is an 8-bit MCU, part of the STM8L value line, and part of a broader family of low-power embedded controllers. Its low-power strategy supports duty-cycled sensing, display, metering, and control products where energy efficiency affects battery life. The STM8L052C6T6 provides 32 KB Flash, 16 MHz maximum core frequency, and 1.8 V to 3.6 V operating supply in the verified data. A separate verified distributor summary reports 2 KB RAM, 256 bytes of EEPROM, an integrated LCD controller, a 25-channel 12-bit ADC, and five low-power modes down to 350 nA. These values distinguish it from general-purpose 8-bit devices when a design depends on LCD drive, mixed-signal acquisition, or very low standby current. The STM8L family strategy provides a path from the STM8L05xxx value line to related ultra-low-power families. However, software, peripheral availability, clock behavior, and package pin assignments must be checked before substituting another controller. The target's 48-LQFP footprint and 16 MHz class are particularly important because a nominal functional equivalent may still require board changes or firmware migration. Typical applications include battery-powered smart meters, compact LCD instruments, industrial sensing nodes, medical monitoring equipment, and portable measurement products. Its 1.8 V to 3.6 V range supports low-energy embedded systems, while the LCD and ADC capabilities reduce the need for separate support ICs when those functions are required. Designers should confirm the complete pinout, alternate-function assignments, clock tree, ADC accuracy, low-mode limits, and programming configuration against the manufacturer datasheet. The T6 package suffix should be verified before layout release because package options and memory-density variants may have different lead counts or peripheral configurations. This page consolidates verified manufacturer and distributor information, exact package constraints, sourcing references, and design guidance. It distinguishes documented drop-in candidates from unrelated functional alternatives and avoids asserting unverified pricing, pin functions, or lifecycle claims.

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STM8L052R8T6 - 16MHz 64KB Ultra-Low-Power MCU | STMicroelectronics
STM8L052R8T6

STM8L052R8T6 - 16MHz 64KB Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L052R8T6 is an ultra-low-power 8-bit STM8L EnergyLite microcontroller rated up to 16 MHz, with 64 KB of Flash memory, 4 KB of SRAM, and a 64-pin LQFP 10 x 10 mm package. It operates from 1.8 V to 3.6 V across a -40 °C to 85 °C temperature range, targeting compact, battery-operated embedded systems. An ultra-low-power microcontroller is designed to conserve energy between short active intervals while providing enough processing, memory, and peripherals for embedded control. The STM8L family belongs to the hierarchy of 8-bit MCU, embedded controller, and low-power semiconductor, making it useful for sensor nodes, portable instruments, industrial controls, and connected accessories. The verified feature set includes a 64 KB Flash program-memory capacity, 4 KB SRAM, 256-byte data EEPROM, and a maximum clock frequency of 16 MHz. Five low-power modes are identified: Wait, Low-power Run at 5.9 µA, Low-power Wait at 3 µA, Active-halt with full RTC at 1.4 µA, and Halt at 400 nA. These figures provide distinct operating choices between responsiveness, RTC retention, and standby consumption. The device belongs to STMicroelectronics' high-density value-line STM8L05xxx family and combines an 8-bit CISC architecture with low-power operating modes. Its 1.8 V to 3.6 V supply range supports 2.5 V and 3.3 V system rails, while the 85 °C upper temperature rating suits cost-sensitive industrial and commercial equipment. Exact peripheral inventories, pin functions, flash endurance, and electrical timing limits require confirmation from the manufacturer datasheet. Typical uses include compact energy meters, temperature and environmental sensors, alarm and security controls, small motor or valve controllers, industrial modules, and low-power handheld products. The 64-pin LQFP provides more external connectivity than the smallest packages, while the device's low-power states support longer battery life between measurement or control events. Designers should verify every assigned pin, alternate function, and wake source in the datasheet before PCB release. Decoupling must follow the manufacturer's guidance, unused inputs need appropriate termination, and firmware must select the lowest acceptable operating mode to meet both response-time and current-consumption targets. This page consolidates verified manufacturer and distributor data, separates confirmed specifications from unavailable details, and adds application, sourcing, and design guidance rather than repeating only the basic catalog listing. Pricing and stock should be rechecked before procurement because the supplied distributor snippets do not provide a complete quantity-price matrix.

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STM8L101F2P3 - 8-Bit 16MHz 4KB MCU | STMicroelectronics
STM8L101F2P3

STM8L101F2P3 - 8-Bit 16MHz 4KB MCU | STMicroelectronics

STMicroelectronics STM8L101F2P3 is an 8-bit ultra-low-power STM8 microcontroller with a 16 MHz enhanced CISC core, 4 KB of Flash memory, and a 20-pin TSSOP package. The device belongs to the STM8L101 low-power microcontroller family, whose architecture combines compact code density, fast execution, and low-power operation for embedded control systems. An ultra-low-power microcontroller is designed to spend substantial operating time in low-energy states while still providing real-time control and communications. The STM8L101 family is positioned between general-purpose 8-bit microcontrollers and more complex low-power processors. Its STM8 core provides up to 16 MIPS at 16 MHz, while integrated timers, comparators, USART, SPI, and I2C interfaces reduce the need for external peripheral components. The STM8L101F2P3 provides 4 KB of Flash for program storage and operates as an 8-bit CISC controller in a 20-pin TSSOP package. The STM8L101 family also supports options extending to 8 KB of Flash, making the STM8L101F2P3 a practical choice when program storage is sufficient but low power, compactness, and a broad set of communication interfaces are priorities. Its 20-pin TSSOP package supports integration in compact control boards while exposing the family's principal communications and timing resources. The STM8 core uses a 24-bit linear address space and an instruction set designed for efficient embedded code density. Low-power operating modes help reduce average energy consumption in battery-powered sensors, portable instruments, and always-on monitoring equipment. Typical applications include low-power sensor nodes, compact industrial controllers, battery-operated instruments, communication modules, and embedded measurement systems. USART, SPI, and I2C connectivity allow the controller to interface with sensors, transceivers, memories, and human-interface or data-acquisition circuitry. Its 16 MHz operating rate supports responsive control without requiring a larger processor or external programmable logic. PCB design should preserve low-power behavior and reliable communication. Place decoupling capacitors close to the supply pins, route sensitive signals away from fast-switching nodes, and confirm pin multiplexing and peripheral assignments against the manufacturer pin description before finalizing the PCB. Programming and peripheral configuration should be validated with the applicable STMicroelectronics toolchain and device programming interface. This product page combines the key MCU specifications, confirmed package details, practical application guidance, and same-package alternative analysis to support component selection, schematic review, PCB planning, and sourcing decisions for embedded engineers.

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STM8L101F2P6 - 16MHz 4KB Flash Ultra-Low-Power MCU | STMicroelectronics
STM8L101F2P6

STM8L101F2P6 - 16MHz 4KB Flash Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L101F2P6 is an ultra-low-power 8-bit microcontroller with a 16 MHz enhanced STM8 CPU core, 4 KB of Flash program memory, 18 I/O ports, and a 20-pin TSSOP package. It operates from 1.65 V to 3.6 V, reaches up to 16 MIPS, and integrates USART, SPI, I2C, comparators, and multifunction timers for compact sensing and control systems. An ultra-low-power microcontroller is an embedded controller designed to minimize energy consumption while retaining real-time processing and communication functions. The STM8L101 belongs to the STM8L EnergyLite family, which combines a low-voltage 8-bit architecture with power-saving operating modes. Its hierarchy is STM8L microcontroller, 8-bit MCU, embedded microcontroller, and semiconductor, positioning it between simple logic controllers and more capable 32-bit embedded processors. Key features include 16 MHz maximum clock speed, 4 KB of Flash memory, and a 1.65 V to 3.6 V supply range. Low-current operation includes 0.3 µA in Halt mode and 0.8 µA in Active-halt mode. The device provides 18 I/O ports and integrated USART, SPI, and I2C interfaces, reducing the need for external serial-interface components in compact industrial, sensing, and consumer-control products. The enhanced STM8 CPU core provides increased processing performance of up to 16 MIPS at 16 MHz. Multifunction timers support periodic timing, input capture, output compare, and PWM-oriented control tasks, while integrated comparators can support threshold detection and low-component-count signal conditioning. This combination of general-purpose serial connectivity and low-power peripherals makes the MCU suitable for systems that must process small amounts of local data without continuously running at maximum clock speed. Typical applications include low-power sensor nodes, compact industrial monitoring devices, battery-powered controls, simple motor or actuator controllers, connected sensing equipment, and cost-sensitive embedded products. The 20-TSSOP package provides a conventional surface-mount footprint for automated assembly, while the 3 V-class operating range accommodates energy-efficient sensor, communications, and control subsystems. Designers should verify the complete pin assignment and peripheral configuration against the manufacturer datasheet before layout release. The 1.65 V to 3.6 V range also requires attention to the voltage thresholds of connected sensors and serial peripherals, since an MCU operating near the lower supply limit may not support every external device's input level. Decoupling and low-power-mode transitions should be validated on the finished board. This product data consolidates distributor specifications, package details, low-power characteristics, interface coverage, application guidance, and qualified comparison candidates into an engineering-focused reference. It also distinguishes verified drop-in candidates from broader functional alternatives, helping designers assess sourcing options without overlooking firmware, memory, and pin-compatibility validation.

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STM8L101F3P3 - 8-Bit 16MHz Ultra-Low-Power MCU | STMicroelectronics
STM8L101F3P3

STM8L101F3P3 - 8-Bit 16MHz Ultra-Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L101F3P3 is an 8-bit ultra-low-power STM8L EnergyLite microcontroller with up to 16 MHz processing speed, 8 KB of Flash program memory, and a 20-pin TSSOP package. It operates across a 1.65 V to 3.6 V supply range and combines an enhanced STM8 CPU core with low-power design features for embedded control systems. A microcontroller is a programmable control component that integrates a processor, memory, digital I/O, timers, communications peripherals, and supporting logic on one semiconductor device. The STM8L101F3P3 belongs to the STM8L low-power 8-bit family, a compact MCU platform intended for cost-sensitive, low-power, low-complexity applications. Its CISC-style STM8 architecture supports efficient code density, while its 24-bit linear addressing space provides access to the device memory map. Key features of the STM8L101F3P3 include an enhanced STM8 CPU core reaching up to 16 MIPS at 16 MHz, 8 KB of Flash memory, multifunction timers, comparators, USART, SPI, and I2C interfaces, and up to 18 I/O ports. The 1.65 V to 3.6 V operating range supports low-voltage battery-powered systems as well as standard embedded control rails. The 20-TSSOP package provides a compact surface-mount footprint for space-constrained designs. The STM8L101F3P3 is suitable for low-power sensing, small industrial control nodes, portable measurement equipment, consumer accessories, and connected embedded products. Its low-power family positioning makes it useful where average current consumption and energy efficiency are important, especially in devices that spend substantial time in sleep or low-activity states. Designers should confirm the exact clock, memory, peripheral, and electrical limits against the manufacturer datasheet before finalizing the design. Decoupling capacitors should be placed close to the supply pins, unused inputs should be held at defined levels, and low-power wake-up behavior should be validated with the intended firmware. Toolchain and peripheral configuration must also be checked against the STM8 family development environment. This page combines verified distributor availability, manufacturer technical information, package details, and practical selection guidance to support engineers evaluating the STM8L101F3P3 for a new low-power embedded design.

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STM8L101F3P6 - 8-bit Ultra-Low-Power MCU, 8KB Flash | STMicroelectronics
STM8L101F3P6

STM8L101F3P6 - 8-bit Ultra-Low-Power MCU, 8KB Flash | STMicroelectronics

The STM8L101F3P6 is an 8-bit ultra-low-power microcontroller from STMicroelectronics, part of the STM8L EnergyLite family. It features an enhanced STM8 CPU core running at up to 16 MHz, delivering up to 16 MIPS while maintaining the advantages of a CISC architecture with improved code density and a 24-bit linear addressing space. The device integrates 8 KB of Flash memory, 2 KB of RAM, and 1.5 KB of data EEPROM, making it suitable for a wide range of battery-operated and energy-efficient applications. An 8-bit microcontroller (MCU) is a single-chip computer with an 8-bit data bus, designed for embedded control applications. It integrates a processor core, memory (Flash, RAM, EEPROM), and peripherals (timers, communication interfaces, I/O ports) on a single integrated circuit. In the system hierarchy, an MCU is a type of embedded processor, which falls under the broader category of integrated circuits (ICs) and semiconductors. The STM8L101F3P6 is specifically optimized for ultra-low-power operation, making it a key component in the power management and energy-harvesting domain. Key features of the STM8L101F3P6 include a supply voltage range of 1.8V to 3.6V, ultra-low power consumption with Halt mode at 0.3 µA and Active-halt mode at 0.8 µA, and a rich set of peripherals including multifunction timers, comparators, USART, SPI, and I2C interfaces. The device is available in a 20-pin TSSOP package (0.173", 4.40mm width), which is ideal for space-constrained designs. It operates over a temperature range of -40°C to +85°C, ensuring reliability in industrial and consumer environments. From a technical depth perspective, the STM8L101F3P6 leverages ST's proprietary STM8 core, which is designed for low-power operation without compromising performance. The architecture includes a 24-bit linear addressing space, enabling efficient code execution and data handling. The device also features a flexible clock system with internal and external oscillators, allowing designers to optimize power consumption based on application requirements. The integrated data EEPROM provides non-volatile storage for calibration data or configuration parameters, reducing the need for external memory components. Typical applications for the STM8L101F3P6 include battery-powered devices such as portable medical monitors, smart sensors, and wearable electronics. Its ultra-low-power modes make it ideal for energy-harvesting systems and IoT edge nodes where power efficiency is critical. The device's communication interfaces (USART, SPI, I2C) enable seamless integration with sensors, displays, and wireless modules, making it a versatile choice for embedded system designers. When designing with the STM8L101F3P6, it is essential to consider the power supply decoupling and PCB layout to minimize noise and ensure stable operation. The device supports multiple low-power modes, and designers should leverage these modes to extend battery life in portable applications. Additionally, the STM8L101F3P6 is supported by ST's comprehensive development ecosystem, including the STM8CubeMX configuration tool and various IDEs, which accelerates firmware development and reduces time-to-market.

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STM8L101G2U6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics
STM8L101G2U6

STM8L101G2U6 - 16MHz 8-Bit Ultra-Low-Power MCU | STMicroelectronics

STMicroelectronics STM8L101G2U6 is an 8-bit ultra-low-power microcontroller built around the enhanced STM8 CPU core, operating at up to 16 MHz with 4 KB of Flash memory. The device is supplied in a 28-pin UFQFPN package measuring 4 x 4 mm, making it suitable for compact embedded systems where low power consumption, small board area, and integrated communication peripherals are important. Its 1.65 V to 3.6 V supply range supports low-voltage battery-powered and energy-conscious designs. An ultra-low-power microcontroller is a microcontroller optimized to minimize energy use during active processing, idle periods, and low-power operating states. The STM8L101 family belongs to the STM8L EnergyLite line and combines an 8-bit CPU, direct-memory-access peripherals, low-power modes, and communication interfaces in a single device. This hierarchy places it within the broader category of embedded processors and system-on-chip devices used for sensing, monitoring, control, and compact communications. The STM8L101G2U6 provides 4 KB of Flash organized as 4K x 8, with the STM8L101x2 device family supporting up to 8 Kbytes of Flash according to the manufacturer family description. Its communication resources include USART, SPI, and I2C, while multifunction timers and comparators support motor, control, sensing, and threshold-detection applications. The 16 MHz maximum clock frequency provides up to 16 MIPS of processing performance according to the STM8L101 family information. The 28-pin package exposes 18 general-purpose I/O ports according to the available component specifications, allowing connections to sensors, displays, actuators, communications transceivers, and human-interface controls. The 4 x 4 mm UFQFPN construction supports dense layouts but requires careful PCB planning because exposed-pad and fine-pitch soldering techniques are commonly needed for reliable assembly and thermal performance. Typical uses include low-voltage sensor nodes, compact motor controllers, battery-operated instruments, industrial monitoring modules, LED lighting controllers, and connected IoT edge devices. In each case, the STM8L101G2U6 acts as the central controller by executing application firmware, sampling analog or digital inputs, coordinating timers, and exchanging data through its serial interfaces. Designers should verify the exact pin assignments, alternate-function limitations, decoupling requirements, and exposed-pad connection using the manufacturer pinout and reference-design guidance. Low-power operation also depends on firmware: unused peripherals should be disabled, GPIO pins should be placed in suitable states, and wake-up behavior should be tested under the intended clock and load conditions. This product page consolidates the core STM8L101G2U6 specifications, interface capabilities, package considerations, application guidance, and same-family replacement information into an engineering-focused reference for compact low-voltage embedded designs.

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STM8L101G3U6 - 8-Bit 16MHz Low-Power MCU | STMicroelectronics
STM8L101G3U6

STM8L101G3U6 - 8-Bit 16MHz Low-Power MCU | STMicroelectronics

STMicroelectronics STM8L101G3U6 is an 8-bit ultra-low-power microcontroller with up to 8 KB of Flash memory, a maximum clock frequency of 16 MHz, and operation from 1.8 V to 3.3 V in a 28-pin UFQFPN package. It belongs to the STM8L101x3 low-power MCU family and combines an enhanced STM8 CPU core with compact flash memory for cost-sensitive embedded control designs. An ultra-low-power microcontroller is a semiconductor controller designed to execute firmware while minimizing energy consumption during active operation and sleep. The STM8L101 family occupies the low-power MCU segment of the broader embedded-controller hierarchy: MCU → 8-bit microcontroller → ultra-low-power MCU → STM8L EnergyLite family. Its low-voltage operation makes it relevant to battery-powered equipment and energy-conscious industrial systems, although the exact sleep currents and regulator characteristics should be confirmed in the manufacturer documentation before a power budget is finalized. The STM8L101G3U6 provides 8 KB of Flash, a 16 MHz maximum operating frequency, and up to 16 MIPS of computational throughput. The enhanced STM8 core retains a CISC architecture with improved code density and 24-bit linear addressing, helping compact firmware fit within the available memory. A temperature rating of -40°C to +85°C supports industrial-temperature equipment when the complete system is designed for that environment. The device is packaged in a 4 mm × 4 mm, 28-pin UFQFPN package. Its small land pattern supports compact products such as sensor nodes, compact controllers, low-power sensing modules, and auxiliary control devices. Designers should follow the manufacturer pin-description table, recommended land pattern, and exposed-pad connection requirements when creating the PCB footprint. Typical uses include low-voltage sensor interfaces, compact industrial controls, energy-efficient monitoring modules, battery-operated accessories, and embedded systems that need a small 8-bit controller without a high-pin-count package. The 16 MHz core is suitable for basic control, state-machine, communications, and peripheral coordination tasks where deterministic low-complexity firmware is sufficient. A key design consideration is that firmware compatibility and peripheral equivalence must be checked separately from package compatibility. When replacing another MCU, verify the exact pin assignments, interrupt mapping, clock limits, supply constraints, peripheral set, startup behavior, and programming interface before treating a candidate as a drop-in replacement. This product page consolidates the exact STM8L101G3U6 specifications, manufacturer and distributor resources, same-footprint alternatives, comparison parameters, and practical PCB and firmware-replacement guidance into one engineering-focused reference.

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STM8L101K3T3 - 16MHz 8KB 8-Bit MCU | STMicroelectronics
STM8L101K3T3

STM8L101K3T3 - 16MHz 8KB 8-Bit MCU | STMicroelectronics

The STMicroelectronics STM8L101K3T3 is an ultra-low-power 8-bit microcontroller with a 16 MHz maximum clock, up to 8 KB of Flash program memory and a 32-LQFP 7 mm × 7 mm package. Designed around the STM8L low-power architecture, it combines compact processing capability with integrated peripherals for low-power embedded systems. An ultra-low-power microcontroller is a semiconductor category intended to minimize both active and standby energy consumption. Within the product hierarchy, the STM8L101K3T3 belongs to the STM8L family of 8-bit RISC microcontrollers and serves as a low-power system controller for battery-operated, portable and space-constrained products. Its low-power operating range is especially relevant to designs where the controller must remain responsive while consuming minimal energy between user actions or sensor events. Principal features include operation from 1.65 V to 3.6 V, a maximum CPU frequency of 16 MHz, up to 8 KB of Flash memory, 18 I/O ports and an enhanced STM8 CPU core capable of up to 16 MIPS at 16 MHz. The device family also provides multifunction timers, comparators, USART, SPI and I2C interfaces, allowing a compact design to handle timing, analog comparisons and serial communication without requiring several discrete interface components. The STM8 CPU core provides an 8-bit processing architecture optimized for compact embedded control rather than high-performance computing. At 16 MHz, the core can execute up to 16 million instructions per second, which is appropriate for state machines, sensor aggregation, actuator control and low-rate serial data handling. The 8 KB Flash limit means that firmware and constants must be planned carefully, particularly when application code, boot logic and lookup tables share the available program-memory budget. Typical uses include battery-powered sensor nodes, compact industrial controllers, home-automation endpoints, portable measurement instruments, low-power remote controls and embedded accessories. Its combination of serial interfaces supports sensors and transceivers connected through I2C or SPI, while USART can connect the controller to a host, modem or local configuration interface. The 32-LQFP package also offers enough peripheral connections for systems that need more I/O than a compact 20-pin package can provide. Designers should verify the exact pin assignments, alternate-function limitations and low-power mode behavior against the manufacturer documentation before finalizing the PCB. Decoupling should be placed directly at the supply pins, programming and reset access must remain available, and firmware should avoid unnecessary peripheral activity during sleep. These practices help preserve the device family's intended low-power behavior while preserving communication reliability. This product page consolidates the device's confirmed electrical specifications, package information, lifecycle status and application guidance with a practical comparison against the closest documented STM8L101K3 variants. It also highlights the restrictions involved when replacing one ordered MPN with another temperature-grade or packing option.

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STM8L101K3T6 - 8-Bit 16MHz 8KB MCU | STMicroelectronics
STM8L101K3T6

STM8L101K3T6 - 8-Bit 16MHz 8KB MCU | STMicroelectronics

The STMicroelectronics STM8L101K3T6 is an 8-bit STM8L EnergyLite ultralow-power microcontroller operating at up to 16 MHz, with 8 KB of Flash memory and a 32-LQFP package measuring 7 x 7 mm. The device is designed for compact embedded systems that need efficient control, low-power operation, and integrated communication peripherals. The STM8L101 belongs to the STM8L family of 8-bit microcontrollers, a product class positioned between simple fixed-function controllers and more complex application processors. Its EnergyLite architecture targets low-power embedded control, while the STM8L101 device family combines Flash memory, timers, comparators, USART, SPI, and I2C in a compact package. Verified distributor information identifies a 1.65 V to 3.6 V supply range, 18 I/O ports, 16 MHz clock capability, 8 KB Flash, and a 32-pin LQFP package. Other search results describe the device as an 8-bit ultralow-power MCU with multifunction timers, comparators, USART, SPI, and I2C. Available snippets also identify 0.3 uA Halt current and 0.8 uA Active-halt current for one variant of the STM8L family; applicability to this exact orderable MPN should be confirmed against the manufacturer datasheet. Typical uses include low-power sensor nodes, compact industrial controllers, battery-operated instruments, communication modules, and low-cost embedded products where an 8-bit CPU, serial interfaces, and modest Flash capacity are sufficient. The device is not an STM32 Cortex-M part, so software, peripheral compatibility, and boot or debugging arrangements should be evaluated explicitly during migration. A key design consideration is the low-voltage supply range. The power rail, decoupling, input tolerance, and peripheral voltage assumptions must be checked against the exact datasheet before layout or firmware release. For PCB design, preserve the 32-LQFP land pattern and route the supply and ground pins according to the manufacturer recommendations. For firmware, confirm timer, USART, SPI, and I2C instance availability against the exact STM8L101K3T6 pin and peripheral configuration. This page consolidates verified distributor specifications, source links, application guidance, and conservative replacement information. It does not infer unprovided electrical limits, pin functions, lifecycle guarantees, pricing, or package details that are absent from the supplied sources.

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STM8L101K3U6 - 16MHz 8KB Low-Power MCU | STMicroelectronics
STM8L101K3U6

STM8L101K3U6 - 16MHz 8KB Low-Power MCU | STMicroelectronics

The STMicroelectronics STM8L101K3U6 is an 8-bit STM8L EnergyLite microcontroller with an enhanced STM8 CPU core, a maximum clock frequency of 16 MHz, and 8 KB of Flash memory in a 32-pin UFQFPN package measuring 5 mm by 5 mm. An ultra-low-power microcontroller is a semiconductor controller designed to balance processing capability with minimized energy consumption. The STM8L family combines a compact CISC architecture, low-power operating modes, and integrated peripherals for battery-operated, compact, and low-duty-cycle products. It belongs to the hierarchy of microcontrollers, embedded processors, integrated circuits, and semiconductors. The STM8L101K3U6 provides up to 16 MIPS at 16 MHz according to the STMicroelectronics STM8L101x3 product page. Its 8 KB Flash configuration supports compact control code in applications that do not require a large memory footprint. The 32-UFQFPN package offers a small 5 mm by 5 mm surface-mount solution, while the exposed-pad construction supports heat transfer from the device to the PCB. The STM8L101K3 belongs to the STM8L101x1, STM8L101x2, and STM8L101x3 low-power family. The enhanced STM8 CPU core provides increased processing performance while retaining CISC code density, 24-bit linear addressing, and an architecture optimized for low-power operation. The manufacturer identifies operation from 1.65 V to 3.6 V and an industrial temperature range of -40°C to +85°C for the closely related STM8L101K3U6TR ordering code. Typical uses include compact sensor controllers, battery-powered instruments, low-power monitoring nodes, appliance controls, and embedded products in which a small MCU package and energy-conscious operation are important. The device is also suitable for simple communication, timing, analog-monitoring, and actuator-control functions when firmware and peripheral requirements fit the 8 KB Flash configuration. Designers should confirm the exact peripheral map, pin functions, clock requirements, and exposed-pad connection in the manufacturer datasheet before layout release. The 5 V by 5 mm footprint requires careful thermal-via placement under the exposed pad, while the low 1.65 V minimum operating voltage constrains compatible sensors, transceivers, and external interface circuits. This product overview combines the manufacturer family information, exact MPN specifications, package characteristics, application guidance, and a focused drop-in comparison to support faster MCU selection and board-layout review.

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STM8L151C2T6 - 16MHz 8-Bit 4KB MCU | STMicroelectronics
STM8L151C2T6

STM8L151C2T6 - 16MHz 8-Bit 4KB MCU | STMicroelectronics

The STMicroelectronics STM8L151C2T6 is an 8-bit ultra-low-power microcontroller with a 16 MHz enhanced STM8 CPU core, 4 KB of Flash program memory, 1 KB of RAM, a 12-bit ADC, and a 48-LQFP 7 x 7 mm package. According to the STMicroelectronics product page, the enhanced core can execute up to 16 MIPS at 16 MHz, making the device suitable for compact control and sensing systems that require low power consumption and broad peripheral integration. An ultra-low-power microcontroller is a semiconductor controller designed to minimize energy use while monitoring inputs, processing data, and controlling outputs. The STM8L151 belongs to the STM8L family, which combines an 8-bit core, low-power operating modes, analog sensing resources, and serial communication peripherals in a compact embedded-control device. This hierarchy places it between general-purpose processing and dedicated sensing-and-control ICs. Verified features include operation from 1.8 V to 3.6 V, a 16 MHz maximum clock, 4 KB Flash, 1 KB RAM, a 12-bit ADC, and an industrial temperature range from -40 °C to +85 °C. The low-density memory profile is appropriate for compact products that manage sensors, actuators, user interfaces, or communication nodes without requiring a high-performance application processor. The enhanced STM8 CPU provides up to 16 MIPS at 16 MHz, balancing processing throughput against the device's low-power positioning. Its integrated analog and digital resources can reduce the number of external components in a design, although the verified web data does not enumerate every peripheral, GPIO count, timer, or communication block. Those details must be confirmed in the manufacturer datasheet before final schematic or firmware decisions. Typical uses include industrial sensor nodes, compact environmental monitors, low-power control panels, battery-powered measurement equipment, motor-control interfaces, and connected industrial modules. The 48-LQFP package provides enough pin access for mixed analog and digital designs while remaining manageable for automated PCB assembly. When designing around the STM8L151C2T6, verify the selected operating frequency against the available supply voltage and verify the ADC, timer, and communications requirements against the datasheet. Place decoupling capacitors close to the supply pins and reserve adequate PCB area for thermal dissipation and signal routing. This page consolidates verified manufacturer and distributor information, package constraints, sourcing details, and honest replacement guidance. It also distinguishes verified drop-in candidates from related devices whose memory or architecture makes them unsuitable as direct substitutes, helping engineers compare alternatives without assuming that a shared package guarantees compatibility.

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STM8L151C3T3 - 8-Bit 16MHz 8KB MCU | STMicroelectronics | IoT
STM8L151C3T3

STM8L151C3T3 - 8-Bit 16MHz 8KB MCU | STMicroelectronics | IoT

The STMicroelectronics STM8L151C3T3 is an 8-bit STM8L EnergyLite microcontroller rated for operation up to 16 MHz, with 8 KB of Flash program memory and a 48-pin LQFP package measuring 7 x 7 mm. The device operates from a 1.8 V to 3.6 V supply, provides 41 I/O ports, and belongs to STMicroelectronics' low-density STM8L151x2/3 ultra-low-power family. Its combination of CISC processing, compact packaging, and low-voltage operation makes it suitable for embedded control, sensor, and connected-device designs. An ultra-low-power microcontroller is an integrated circuit designed to execute embedded control functions while minimizing energy consumption during active operation, idle periods, and standby modes. The STM8L151 architecture sits within the STM8L family, combining an 8-bit CISC core, digital peripherals, analog interfaces, and low-power management in one package. This integration allows compact products to consolidate sensing, control, communications, and local processing without requiring a separate discrete processor. The STM8L151C3T3 supports operation up to 16 MHz and provides up to 16 MIPS according to the verified STM8L151x2/3 family description. Its 8 KB Flash memory is suitable for compact firmware rather than resource-intensive applications. A 1.8 V to 3.6 V operating range supports low-voltage systems, while 41 I/O pins provide substantial connectivity for sensors, indicators, communication interfaces, and control signals in a 48-LQFP footprint. The device belongs to the STM8L low-density platform, whose enhanced STM8 CPU core is designed to retain CISC code density while using a 24-bit linear addressing space. This architecture is useful for cost-sensitive embedded systems where straightforward peripheral access and compact code are important. Because the verified data does not specify the exact peripheral list, RAM capacity, timer configuration, and conversion performance, those details should be confirmed against the official STM8L151C3 datasheet before final design release. Typical applications include connected environmental sensors, compact industrial controllers, low-power monitoring equipment, and small appliance control modules. The 16 MHz processing capability accommodates time-based control and moderate protocol handling, while the 41 available I/O pins simplify connection to external sensors and actuators. For designs requiring low standby consumption, the STM8L151's low-power architecture is preferable to a general-purpose MCU that remains clocked continuously. Designers should preserve adequate input-voltage headroom across temperature and production tolerances because the verified operating range extends from 1.8 V to 3.6 V. PCB layout must also accommodate the 48-pin LQFP lead pitch and provide appropriate decoupling at the supply pins. Firmware should use the manufacturer-supported clock, peripheral, and low-power configuration rather than assuming functions or pin assignments that are not documented in the available verified data. This product record combines verified distributor specifications, lifecycle information, package details, and sourcing references with explicit engineering guidance. It also distinguishes confirmed facts from unavailable parameters, helping engineers evaluate the STM8L151C3T3 for low-voltage embedded-control designs without relying on unverified assumptions.

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STM8L151C3T6 - 16MHz 8KB Ultra-Low-Power MCU | STMicroelectronics
STM8L151C3T6

STM8L151C3T6 - 16MHz 8KB Ultra-Low-Power MCU | STMicroelectronics

STMicroelectronics STM8L151C3T6 is an ultra-low-power 8-bit STM8L microcontroller with an enhanced STM8 CPU core, up to 16 MIPS at 16 MHz, 8 KB of Flash memory, and a 48-LQFP 7 x 7 mm package. The device operates from 2.5 V to 3.3 V according to distributor specifications and is designed for embedded systems that require low-power operation, compact packaging, and efficient control processing. An ultra-low-power microcontroller is an embedded semiconductor that minimizes energy consumption during active operation and low-power states. The STM8L family belongs to the broader hierarchy of MCU, microcontroller, embedded processor, and semiconductor. Its enhanced STM8 CPU core combines an 8-bit architecture with performance capable of reaching 16 MIPS at 16 MHz, making the STM8L151C3T6 suitable for compact control nodes, sensor interfaces, consumer equipment, and low-power embedded products. The verified device features include 8 KB of Flash memory, a 16 MHz operating frequency, 2.5 V or 3.3 V supply operation, two comparators, and three PWM channels. Its 48-LQFP package provides 48 externally accessible pins and is supplied in a tray according to the FindIC product listing. These specifications support designs requiring more I/O and routing flexibility than smaller 32-pin or 20-pin microcontroller packages. The STM8L151C3T6 combines general-purpose embedded control with energy-conscious operation. Its 8-bit STM8 core is appropriate for supervisory loops, actuator control, signal conditioning, and communication-intensive embedded functions where deterministic peripheral access and low standby consumption are important. The manufacturer identifies the STM8L151x2/3 devices as ultra-low-power products with an enhanced STM8 CPU core providing increased processing power up to 16 MIPS at 16 MHz. Typical applications include battery-powered sensors, industrial control modules, building automation endpoints, compact metering equipment, consumer accessories, and low-power communication controllers. The 48-LQFP package is especially useful when a design requires a larger pin count while remaining compatible with surface-mount manufacturing and leaded-package inspection processes. Designers should verify the complete pin assignments, peripheral multiplexing, startup configuration, decoupling requirements, and absolute maximum ratings in the manufacturer datasheet before layout. They should also confirm programming, debug, clock, and low-power-mode requirements against the target board. Because the verified excerpts do not provide complete electrical tables or a published pin map, those details remain explicitly marked as data needed rather than inferred. This page consolidates verified manufacturer and distributor information, package details, sourcing references, and a conservative drop-in comparison for the STM8L151C3T6. It distinguishes confirmed substitutions from unavailable data and highlights the memory, speed, voltage, comparator, PWM, and packaging constraints that matter during component selection.

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STM8L151C4T3 - 8-Bit 16MHz 16KB MCU | STMicroelectronics
STM8L151C4T3

STM8L151C4T3 - 8-Bit 16MHz 16KB MCU | STMicroelectronics

The STMicroelectronics STM8L151C4T3 is an ultra-low-power 8-bit STM8L microcontroller with a 16 MHz clock, 16 KB of Flash memory, and a 48-pin LQFP package. It operates from 1.8 V to 3.6 V and provides 41 I/O ports. The compact-memory profile combines low-power sensing and control capabilities with integrated MCU resources for embedded products. An ultra-low-power MCU is a microcontroller designed to minimize energy use while retaining enough processing and peripheral capability for sensing, monitoring, control, and user-interface tasks. The STM8L family belongs to the hierarchy microcontroller, embedded processor, semiconductor, and embedded system component. Its low-power positioning makes it relevant to battery-operated equipment, environmental monitors, compact controls, and other systems where energy availability constrains design choices. The supplied product data identifies 16 KB of Flash memory, a maximum clock frequency of 16 MHz, a 1.8 V to 3.6 V supply range, and 41 I/O ports. The STM8L151C4 family description also identifies LCD, timers, real-time-clock, ADC, DMA, EEPROM, and low-power capabilities at the family level. Because the exact target-device peripheral mapping and electrical limits were not included in the verified excerpts, individual feature details should be confirmed in the manufacturer documentation before schematic or firmware decisions. The device is identified as part of the STM8 EnergyLine ultra-low-power portfolio and is specifically described as an STM8L151 8-bit MCU with an ADC and DMA. Its 48-LQFP package provides a conventional leaded footprint that can simplify assembly and inspection compared with a very fine-pitch package, although it occupies more PCB area than smaller packages. The listed operating voltage supports both 2.5 V and 3.3 V system concepts found in the comparison search results. Typical design targets include low-power sensing nodes, compact industrial controls, battery-powered monitors, LCD-equipped user interfaces, and embedded measurement systems. The MCU can serve as the central controller for acquiring sensor data, driving a display, sequencing low-power modes, and communicating through the peripherals supported by the selected STM8L151C4 variant. Firmware and hardware decisions should be checked against the complete manufacturer datasheet and device-specific pinout. Design with the 1.8 V to 3.6 V supply range as a hard boundary. Confirm decoupling, clock configuration, debug access, unused-pin treatment, and the exact LQFP land pattern from the official documentation. For battery systems, calculate average current over the complete measurement-and-sleep cycle rather than using only active-mode current. This product page consolidates verified distributor identity, package, memory, voltage, speed, and lifecycle information with practical design guidance. It also separates confirmed facts from parameters requiring verification, helping engineers compare sourcing options without inventing missing electrical or package details.

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STM8L151C4T6 - 8-Bit 16MHz 16KB MCU | STMicroelectronics
STM8L151C4T6

STM8L151C4T6 - 8-Bit 16MHz 16KB MCU | STMicroelectronics

The STMicroelectronics STM8L151C4T6 is an 8-bit ultra-low-power STM8L EnergyLite microcontroller with a 16 MHz clock, 16 KB of Flash, and a 48-LQFP package measuring 7 x 7 mm. The device belongs to the medium-density STM8L151x4/6 family and is designed for embedded systems requiring low power consumption, conventional serial interfaces, timers, and mixed-signal control functions. An ultra-low-power microcontroller is an embedded controller optimized to minimize current consumption during active operation, sleep, and standby states. The STM8L family is positioned below general-purpose processors for compact control tasks such as sensor management, actuator control, communications, energy metering, and battery-powered equipment. This MCU combines an 8-bit STM8 architecture with integrated peripherals to reduce the need for discrete support components. Verified source information identifies 16 KB of Flash, an operating clock of 16 MHz, and a 48-LQFP package for the STM8L151C4T6. The medium-density STM8L151x4/6 family also provides standard communication interfaces including SPI, I2C, and USART, according to the manufacturer datasheet search result. Additional family-level resources include timers, ADC, DAC, comparators, real-time-clock capability, and 1 KB of data EEPROM; exact counts and operating limits for this specific order code must be verified in the official datasheet before design release. Typical embedded uses include low-power sensor nodes, industrial measurement modules, compact control boards, communication transceivers, and handheld or battery-operated products. The 48-LQFP footprint provides more external signal access than smaller packages and can simplify routing when several serial, timer, analog, or digital interfaces are required. Its 16 MHz maximum frequency supports time-sensitive control loops and protocol handling while retaining the simplicity of an 8-bit architecture. Designers should confirm the exact pin names, alternate-function mappings, electrical limits, clock configuration, and low-power mode requirements from the STM8L151C4 datasheet before PCB release. Software migration is most straightforward among devices with identical peripheral maps and package pinouts; a nominal package match alone is insufficient evidence for a drop-in replacement. This product record combines the verified manufacturer and distributor identity, package, memory, clock, and interface information with application guidance and sourcing context. It is intended to help engineers evaluate the STM8L151C4T6 while keeping unverified electrical details explicitly marked for validation.

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STM8L151C4U6 - 8-bit Ultra-Low Power MCU 16KB Flash | ST
STM8L151C4U6

STM8L151C4U6 - 8-bit Ultra-Low Power MCU 16KB Flash | ST

The STMicroelectronics STM8L151C4U6 is an 8-bit ultra-low-power microcontroller from the STM8L EnergyLite family, featuring a 16 MHz STM8 core, 16 KB of embedded Flash, and 1 KB of data EEPROM, housed in a 48-pin UFQFPN (7x7 mm) package with exposed pad. It operates across a wide 1.8 V to 3.6 V supply range (2.5 V / 3.3 V nominal), provides 41 general-purpose I/O ports, and integrates a rich set of peripherals including a 12-bit ADC, DMA controller, real-time clock, standard communication interfaces (SPI, I2C, USART), multiple low-power timer options, and a 4x28-segment LCD driver available on the companion STM8L152xx line. An ultra-low-power MCU is a microcontroller specifically engineered to minimize active, standby, and sleep-mode current draw, allowing battery-powered end products to operate for years on small cells. Within the broader taxonomy, the STM8L151C4U6 belongs to the 8-bit MCU segment, itself a subset of microcontrollers, which in turn belong to integrated circuits in the power-management domain. The STM8L core uses a CISC architecture with a modified Harvard layout and a 16-bit instruction word, delivering strong code density and deterministic interrupt response at low clock rates. Key electrical characteristics include a maximum HSI clock speed of 16 MHz, an internal voltage regulator supporting 1.8 V to 3.6 V operation, multiple low-power modes (HALT, Active-Halt, Wait, Low-power Run), and integrated reset circuitry. The UFQFPN-48 (7x7) package offers a compact footprint, an exposed thermal pad for improved dissipation, and surface-mount compatibility with standard reflow profiles, while the integrated peripherals substantially reduce external component count and BOM cost. Application areas include battery-powered IoT sensor nodes, wearable health-monitoring devices, smart meters, remote controls, industrial sensor transmitters, and consumer electronics where energy budget is critical. The 16-bit tim encoder interfaces, USART, SPI, and I2C make it well-suited for both sensor front ends and short-range wireless MCU companions. Designers should leverage the STM8 peripheral library and STVP / ST Visual Develop or IAR / Cosmic toolchains, ensure the exposed pad is soldered for thermal and electrical ground reference, and follow ST AN3149 application-note recommendations for the STM8L low-power modes to achieve the published 0.9 µA HALT current and 4.4 µA Low-power Run numbers. This page synthesizes distributor stock, STM8L-family drop-in alternatives, and practical PCB-layout guidance for ultra-low-power designs that are not aggregated in the manufacturer datasheet alone.

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