STM8L152M8T7 - 16MHz 8-Bit 64KB Ultra-Low-Power MCU | ST
N.º da peça: STM8L152M8T7 ✓ AtivoSTM8L152M8T7 Visão geral
An ultra-low-power microcontroller is an integrated control device designed to minimize energy consumption during active operation, idle periods, and standby states. The STM8L152 belongs to the STM8L15xx low-power family, combining a simple 8-bit architecture with peripheral integration intended for battery-operated meters, sensing instruments, access controls, and human-machine-interface equipment. Its hierarchy extends from MCU to embedded processor, embedded controller, and semiconductor.
Key features include a maximum clock frequency of 16 MHz, 64 KB of Flash program storage organized as 64K x 8, and an 80-pin LQFP package with a 14 x 14 mm body size. The STM8L152M8 family provides LCD-oriented connectivity together with ultra-low-power capabilities, making it suitable for designs in which the display, sensing, and control functions must operate from a constrained energy budget.
The enhanced STM8 core provides a straightforward execution model for firmware that performs protocol handling, state management, sensor acquisition, and display updates. Because the device is an 8-bit MCU rather than a 32-bit application processor, designers should budget instruction cycles carefully for interrupt-heavy work, while still benefiting from the integrated Flash and low-power peripherals for compact embedded control tasks.
Typical applications include battery-powered LCD instruments, environmental monitoring nodes, building-access terminals, simple metering systems, industrial panels, and low-energy sensor controllers. In each case, the STM8L152M8T7 is useful when the design benefits from the 64 KB program memory and LCD support while avoiding the overhead of a higher-performance processor.
A critical design consideration is that software timing, interrupt priorities, and peripheral clock requirements must be configured for the STM8 architecture. Existing STM8L152M8 firmware can generally be reused across compatible family members, but changes in temperature grade, package suffix, or device variant should be checked against the pin-definition and electrical tables in the manufacturer datasheet before substitution.
This page consolidates the confirmed device identity, package information, family positioning, drop-in alternatives, application guidance, and PCB implementation notes so that engineers can evaluate the STM8L152M8T7 before committing a PCB layout or production BOM.
Alternativas drop-in para STM8L152M8T7 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM8L152M8T7 (mesmo formato e footprint) — diferindo em Display Support, Package, Product Type.
STM8L152M8T6
✅ Drop-In ⚠️ Especificações não verificadasConsulte o preço
Ver ficha técnica →STM8L162M8T6
✅ Drop-InConsulte o preço
Ver ficha técnica →STM8L152M8T7 Classificações máximas e características elétricas
| Manufacturer | STMicroelectronics |
| Product Type | 8-bit ultra-low-power microcontroller |
| CPU Architecture | 8-bit STM8 enhanced core |
| Frequência máxima de clock | 16 MHz |
| Flash Memory | 64 KB (64K x 8) |
| Program Memory Organization | 64K x 8 bits |
| Encapsulamento | 80-LQFP (14 x 14 mm) |
| Contagem de pinos | 80 pins |
| Tipo de montagem | Surface mount |
| Display Support | LCD |
| Power Class | Ultra-low-power MCU |
Guia de Configuração de Pinos do STM8L152M8T7 80-lqfp (14 x 14 mm)
Configuração de pinos para STM8L152M8T7 (pacote 80-lqfp (14 x 14 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para STM8L152M8T7.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
STM8L152M8T7 é adequado para 6 aplicaçãos: Battery-Powered LCD Instruments, Environmental Monitoring Nodes, Building Access and Security Terminals, Industrial HMI and Control Panels, Smart Metering and Utility Readouts, Low-Energy Sensor Controllers.
Battery-Powered LCD Instruments
The STM8L152M8T7 fits battery-powered meters, panel meters, and handheld instruments where a segment or character LCD is the primary human interface. Its 16 MHz enhanced STM8 core and 64 KB Flash provide room for calibration tables, display formatting, keypad scanning, and low-power state management. The 80-LQFP package also exposes multiple LCD-related and general-purpose signals. Select low-power operating modes between measurements to limit standby consumption, and validate LCD drive timing against the selected display module.
Recomendado
Environmental Monitoring Nodes
The STM8L152M8T7 is appropriate for compact environmental sensors that combine temperature, humidity, air-quality, or light measurements with an LCD or local status display. The 64 KB Flash capacity supports logging logic and sensor-specific conversion routines, while the 8-bit core can supervise periodic sampling and communications. Its ultra-low-power positioning is valuable for battery deployments. Schedule sensor activity around the MCU's low-power modes and use the analog and communication pins shown in the device pin table.
Recomendado
Building Access and Security Terminals
The STM8L152M8T7 can serve as the controller in an access-control terminal or electronic lock that combines an LCD, keypad, credentials interface, and door-control outputs. Its 80-pin package provides a generous pin budget for external memory, serial interfaces, and discrete I/O, while 64 KB Flash accommodates protocol drivers and event logic. Firmware should include debouncing, credential timing, fault handling, and secure state transitions. Confirm the selected peripheral availability in the pin-definition table.
Recomendado
Industrial HMI and Control Panels
The STM8L152M8T7 fits small industrial human-machine interfaces that combine a local display, status LEDs, operator buttons, and communication to a controller. Its 16 MHz processing capability supports responsive menu handling, while the 64 KB Flash provides sufficient code space for protocol stacks and configuration logic. The 80-LQFP package allows a compact but connection-dense layout. Apply transient protection to external connectors and validate the operating-temperature grade against the enclosure environment.
Recomendado
Smart Metering and Utility Readouts
The STM8L152M8T7 is suitable for compact utility meters and readout terminals that display measurements and communicate through a low-speed serial interface. Its integrated 64 KB Flash can hold tariff logic, calibration values, display routines, and communication protocols, while the ultra-low-power family positioning supports long-duration battery operation. Keep radio, sensor, and display loads under explicit power budgets, and use the manufacturer's clock and low-power configuration guidance to avoid unnecessary active time.
Recomendado
Low-Energy Sensor Controllers
The STM8L152M8T7 works as the central controller in a low-energy sensor node that periodically measures an analog or digital input, evaluates thresholds, and reports a result. The 8-bit architecture is effective for deterministic sampling and decision logic, and 64 KB Flash leaves room for drivers and communications. Use timer-driven wake events rather than continuous polling where possible. Confirm the ADC, timer, and serial peripheral configurations in the STM8L152M8 family documentation.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM8L152M8T7 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM8L152M8T6 | STM8L162M8T6 |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 80-LQFP (14 x 14 mm) | 80-LQFP (14 x 14 mm) | 80-LQFP (14 x 14 mm) |
| CPU Architecture | 8-bit STM8 enhanced core | 8-bit STM8 enhanced core | 8-bit STM8 enhanced core |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
| Flash Memory | 64 KB (64K x 8) | 64 KB | 64 KB |
| Display Support | LCD | LCD | LCD |
| Temperature-Grade Code | T7 | T6 | T6 |
Principais diferenciais
- Closest same-family configuration (vs STM8L152M8T6)
- Additional peripheral capability (vs STM8L162M8T6)
- Program memory for LCD control firmware (vs STM8L162M8T6)
Notas de projeto
Assign the 80-LQFP footprint from the manufacturer mechanical drawing and preserve pin 1 orientation exactly. Because the device multiplexes LCD, analog, timer, and serial functions, assign PCB nets from the alternate-function table rather than only from the basic pin names. Keep the 80-pin perimeter layout compact enough for short LCD traces while maintaining adequate clearance from adjacent connector fields.
Design the supply network for the device's low-power operating states and provide local high-frequency bypassing close to the power pins. Route sensitive analog and LCD-related signals away from switching-converter nodes and high-current return paths. If the board includes sensors, calculate the average current from MCU active time, sleep current, display current, and external-load duty cycle before sizing the battery or regulator.
Do not treat a shared LQFP footprint as proof of a zero-change substitution. Compare the complete pin-definition table, temperature grade, supply limits, boot options, oscillator configuration, and peripheral resources. A program written for STM8L152M8T7 may require adjustments when moving to the STM8L162M8T6 because additional hardware and register differences can alter peripheral behavior.
Use timer-based wake events and disable unused peripherals to reduce active time. Route oscillator and decoupling connections according to the reference-manual guidance, keep clock traces short, and provide a defined ground return for LCD and analog signals. Validate wake-up timing and display settling in hardware because firmware configuration alone does not guarantee the intended low-power behavior.
Informações de conformidade
No explicit compliance declarations were identified in the manufacturer-page summary or distributor listings. Confirm RoHS, REACH, lead-free, halogen-free, and conflict-minerals status using the declarations associated with the exact ordering code.
